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    • ZOOMINFO TECHNOLOGIES LLC, Plaintiff, v. ZENLEADS INC., d/b/a APOLLO.IO, Defendant., U.S. District Court, D. Delaware, (May 6, 2026)
    • ZOOMINFO TECHNOLOGIES LLC, Plaintiff, v. ZENLEADS INC., d/b/a APOLLO.IO, Defendant., U.S. District Court, D. Delaware, (Dec. 15, 2025)
    • ZIP TOP, INC., Plaintiff-Appellant v. SC JOHNSON & SON INCORPORATED, Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Dec. 30, 2025)
    • DUKE W. ZINSER, Plaintiff, v. VIVINT, LLC and VIVINT, INC., Defendants., U.S. District Court, E.D. Texas, (Aug. 27, 2026)
    • ZILKR CLOUD TECHNOLOGIES, LLC, Appellant v. CISCO SYSTEMS, INC., Appellee, U.S. Court of Appeals, Federal Circuit, (Aug. 26, 2026)
    • ZENTIAN LTD., Appellant v. APPLE INC., Appellee, U.S. Court of Appeals, Federal Circuit, (Sept. 25, 2026)
    • YUKON PACKAGING, LLC, Plaintiff, v. JONES SUSTAINABLE PACKAGING, LLC, Defendant., U.S. District Court, W.D. North Carolina, (May 8, 2026)
    • WYETH LLC, Plaintiff-Appellant v. ASTRAZENECA PHARMACEUTICALS LP, ASTRAZENECA AB, Defendants-Appellees, U.S. Court of Appeals, Federal Circuit, (Jul. 9, 2026)
    • WOODWAY USA, INC., Plaintiff-Appellant v. LIFECORE FITNESS, INC., DBA ASSAULT FITNESS, Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Jul. 21, 2026)
    • WOODWAY USA, INC., Appellant v. LIFECORE FITNESS, LLC, DBA ASSAULT FITNESS, Appellee, U.S. Court of Appeals, Federal Circuit, (Jul. 17, 2026)
    • WONDERLAND SWITZERLAND AG, Plaintiff-Cross-Appellant v. EVENFLO COMPANY, INC., Defendant-Appellant, U.S. Court of Appeals, Federal Circuit, (Dec. 17, 2025)
    • WOLVERINE BARCODE IP LLC, Plaintiff, v. ALBERTSONS COMPANIES, INC., Defendant., U.S. District Court, N.D. Texas, (Jul. 9, 2026)
    • WIRELESSWERX IP, LLC, Plaintiff, v. AUDI OF AMERICA, INC., Defendant., U.S. District Court, E.D. Michigan, (Mar. 26, 2026)
    • WINVIEW IP HOLDINGS, LLC, Plaintiff, v. FANDUEL, INC., et al., Defendants., U.S. District Court, D. New Jersey, (Jun. 9, 2026)
    • WILLIS ELECTRIC CO., LTD., Plaintiff-Appellee v. POLYGROUP LTD. (MACAO COMMERCIAL OFFSHORE), POLYGROUP MACAU LIMITED BVI, POLYTREE (HK) CO. LTD., POLYGROUP TRADING LTD., Defendants-Appellants, U.S. Court of Appeals, Federal Circuit, (Feb. 17, 2026)
    • WILDSEED MOBILE, LLC, Appellant v. GOOGLE LLC, Appellee, U.S. Court of Appeals, Federal Circuit, (Apr. 30, 2026)
    • WEPLE IP HOLDINGS LLC, Plaintiff, v. META PLATFORMS, INC., Defendant., U.S. District Court, W.D. Washington, (Jan. 9, 2026)
    • HONGJIA WANG, Appellant v. VIKING DRILL & TOOL, INC., Appellee, U.S. Court of Appeals, Federal Circuit, (Sept. 30, 2026)
    • VLSI TECHNOLOGY LLC, Plaintiff-Appellant v. INTEL CORPORATION, Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Apr. 14, 2026)
    • VL COLLECTIVE IP, LLC, Appellant v. UNIFIED PATENTS, LLC, Appellee, U.S. Court of Appeals, Federal Circuit, (Feb. 20, 2026)
    • VL COLLECTIVE IP, LLC, Appellant v. NETFLIX, INC., Appellee, U.S. Court of Appeals, Federal Circuit, (Aug. 10, 2026)
    • VIR2US, INC., Plaintiff – Appellee, v. SOPHOS INC.; INVINCEA, INC., Defendants – Appellants, and SOPHOS LIMITED; SOPHOS GROUP PLC, Defendants., U.S. Court of Appeals, Fourth Circuit, (Jun. 23, 2026)
    • VINEYARD INVESTIGATIONS, Plaintiff, v. E. & J. GALLO WINERY, Defendant., U.S. District Court, E.D. California, (Jul. 2, 2026)
    • VINCENT SYSTEMS GMBH, Plaintiff, v. FILLAUER COMPANIES, INC. and MOTION CONTROL, INC., Defendants., U.S. District Court, E.D. Tennessee, (Jul. 30, 2026)
    • VIAVI SOLUTIONS INC., Plaintiff-Appellant v. PLATINUM OPTICS TECHNOLOGY INC., Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Sept. 8, 2026)
    • VIASAT, INC., Appellant v. WESTERN DIGITAL TECHNOLOGIES, INC., Appellee, U.S. Court of Appeals, Federal Circuit, (Jan. 7, 2026)
    • VERTEX PHARMACEUTICALS INC., Plaintiff, v. LUPIN LIMITED and LUPIN PHARMACEUTICALS, INC, Defendants., U.S. District Court, D. Delaware, (Aug. 24, 2026)
    • VERNA IP HOLDINGS, LLC, Plaintiff, v. CLEARLY IP INC., Defendant., U.S. District Court, E.D. Wisconsin, (Oct. 13, 2026)
    • VDPP, LLC, Plaintiff-Appellant v. VOLKSWAGEN GROUP OF AMERICA, INC., Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Aug. 19, 2026)
    • VANDA PHARMACEUTICALS INC., Plaintiff, v. TEVA PHARMACEUTICALS USA, INC., Defendant., U.S. District Court, D. Delaware, (Sept. 24, 2026)
    • VALTRUS INNOVATIONS LTD., et al., Plaintiffs, v. GOOGLE LLC, Defendant., U.S. District Court, N.D. California, (Aug. 10, 2026)
    • VALTRUS INNOVATIONS, LTD., Plaintiff, v. GOOGLE LLC, Defendant., U.S. District Court, N.D. California, (Mar. 16, 2026)
    • LAURI VALJAKKA, Plaintiff, v. NETFLIX, INC., Defendant., U.S. District Court, N.D. California, (Jul. 13, 2026)
    • EDWARD VALDEZ and WILD WEST SECURITY SHUTTERS, LLC, Plaintiffs, v. DANIEL HAMILTON and GERBRIG VANDERWOUDE, Defendants., U.S. District Court, M.D. Florida, (Aug. 20, 2026)
    • US PATENT NO. 7,679,637 LLC, Petitioner, v. GOOGLE LLC, Respondent., U.S. Supreme Court
    • US PATENT NO. 7,679,637 LLC, Plaintiff-Appellant v. GOOGLE LLC, Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Jan. 22, 2026)
    • US INVENTOR, INC., INVENTOR'S ASSOCIATION OF SOUTH CENTRAL KANSAS, INVENTORS NETWORK OF MINNESOTA, SAN DIEGO INVENTORS FORUM, INC., MERCEXCHANGE, L.L.C., PAUL MORINVILLE, Plaintiffs-Appellants v. JOHN A. SQUIRES, UNDER SECRETARY OF COMMERCE FOR INTELLECTUAL PROPERTY AND DIRECTOR OF THE UNITED STATES PATENT AND TRADEMARK OFFICE, UNITED STATES PATENT AND TRADEMARK OFFICE, Defendants-Appellees, U.S. Court of Appeals, Federal Circuit, (Aug. 21, 2026)
    • UNIVERSAL ELECTRONICS, INC., Appellant v. ROKU, INC., Appellee, U.S. Court of Appeals, Federal Circuit, (May 13, 2026)
    • UNIVERSAL ELECTRONICS, INC., Appellant v. ROKU, INC., Appellee, U.S. Court of Appeals, Federal Circuit, (Apr. 10, 2026)
    • UNIVERSAL CONNECTIVITY TECHNOLOGIES INC., Plaintiff, v. HP INC., Defendant., U.S. District Court, N.D. California, (Feb. 9, 2026)
    • UGOWEAR, LLC, Plaintiff, v. DAN MARTINSON; and GEAR TIE LLC, doing business as XTRUDEX, Defendants., U.S. District Court, D. Minnesota, (Sept. 30, 2026)
    • TWINSTRAND BIOSCIENCES, INC. & UNIVERSITY OF WASHINGTON, Plaintiffs, v. GUARDANT HEALTH, INC., Defendant., U.S. District Court, D. Delaware, (Jun. 16, 2026)
    • THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK, Plaintiff-Appellee v. GEN DIGITAL INC., FKA SYMANTEC CORPORATION, FKA NORTONLIFELOCK, INC., Defendant QUINN EMANUEL URQUHART & SULLIVAN, LLP, Sanctioned Party-Appellant, U.S. Court of Appeals, Federal Circuit, (Mar. 11, 2026)
    • THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK, Plaintiff-Appellee v. GEN DIGITAL INC., FKA SYMANTEC CORPORATION, FKA NORTONLIFELOCK, INC., Defendant-Appellant, U.S. Court of Appeals, Federal Circuit, (Mar. 11, 2026)
    • TREE DEFENDER, LLC, Plaintiff, v. MIKE HURST CITRUS SERVICE, INC., Defendant., U.S. District Court, M.D. Florida, (Feb. 11, 2026)
    • TRACKTIME, LLC, Plaintiff-Appellant v. AMAZON.COM SERVICES LLC, AUDIBLE, INC., Defendants-Appellees, U.S. Court of Appeals, Federal Circuit, (Jul. 2, 2026)
    • TQ DELTA, LLC, Plaintiff, v. DISH NETWORK CORPORATION, DISH NETWORK LLC, DISH DBS CORPORATION, ECHOSTAR CORPORATION, and ECHOSTAR TECHNOLOGIES, L.L.C., Defendants., U.S. District Court, D. Delaware, (Oct. 19, 2026)
    • T-MOBILE US, INC., T-MOBILE USA, INC., Plaintiffs-Appellants v. KAIFI LLC, Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Aug. 28, 2026)
    • TJTM TECHNOLOGIES, LLC, Plaintiff-Appellant v. GOOGLE LLC, Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (May 5, 2025)
    • TIR TECHNOLOGIES LTD., Plaintiff, v. COMCAST CABLE COMMUNICATIONS, LLC, COMCAST CABLE COMMUNICATIONS MANAGEMENT, LLC, NBCUNIVERSAL MEDIA, LLC, AND PEACOCK TV LLC, Defendants., U.S. District Court, D. Delaware, (Jun. 24, 2026)
    • TIANMA MICROELECTRONICS CO., LTD., Petitioner, v. LG DISPLAY CO., LTD., Patent Owner., U.S Patent and Trademark Office, Trademark Trial and Appeal Board, (Mar. 18, 2026)
    • TEXASLDPC INC., Plaintiff-Appellant v. BROADCOM INC., LSI CORPORATION, AVAGO TECHNOLOGIES U.S. INC., Defendants-Appellees, U.S. Court of Appeals, Federal Circuit, (Sept. 14, 2026)
    • TEVA PHARMACEUTICALS USA, INC., Plaintiff-Appellant, v. ELI LILLY AND COMPANY, Defendant-Appellee., U.S. Court of Appeals, Seventh Circuit, (Jul. 13, 2026)
    • TEVA PHARMACEUTICALS INTERNATIONAL GMBH, TEVA PHARMACEUTICALS USA, INC., Plaintiffs-Appellants v. ELI LILLY AND COMPANY, Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Apr. 16, 2026)
    • TESLA, INC., Appellant v. CHARGE FUSION TECHNOLOGIES, LLC, Appellee, U.S. Court of Appeals, Federal Circuit, (Feb. 25, 2026)
    • TESLA, INC., Appellant v. CHARGE FUSION TECHNOLOGIES, LLC, Appellee, U.S. Court of Appeals, Federal Circuit, (Mar. 31, 2026)
    • TECHNOLOGY IN ARISCALE, LLC, Plaintiff-Appellant v. RAZER USA LTD., Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Jan. 6, 2026)
    • TAPP MFG, INC., Plaintiff, v. SPEED UTV, LLC, Defendant., U.S. District Court, M.D. North Carolina, (Jan. 27, 2026)
    • SYNQOR, INC., Plaintiff-Appellee v. VICOR CORPORATION, Defendant-Appellant, U.S. Court of Appeals, Federal Circuit, (Feb. 13, 2026)
    • SYNOPSYS, INC., Plaintiff, v. REAL INTENT, INC., Defendant., U.S. District Court, N.D. California, (Aug. 10, 2026)
    • SYNGENTA LIMITED et al., Plaintiffs, v. JOHN A. SQUIRES, Defendant., U.S. District Court, E.D. Virginia, (Sept. 10, 2026)
    • SYNGENTA CROP PROTECTION AG, Cross-Appellant v. UPL LTD., Appellant, U.S. Court of Appeals, Federal Circuit, (Oct. 14, 2026)
    • SUNOCO PARTNERS MARKETING & TERMINALS L.P., Plaintiff-Appellant v. POWDER SPRINGS LOGISTICS, LLC, MAGELLAN MIDSTREAM PARTNERS L.P., Defendants-Cross-Appellants, U.S. Court of Appeals, Federal Circuit, (Jan. 16, 2026)
    • STRYKER EUROPEAN OPERATIONS HOLDINGS LLC and HOWMEDICA OSTEONICS CORP., Plaintiffs, v. TREACE MEDICAL CONCEPTS, INC., Defendant., U.S. District Court, D. Delaware, (Jan. 29, 2026)
    • ST CASE1TECH, LLC, Appellant v. JOHN A. SQUIRES, UNDER SECRETARY OF COMMERCE FOR INTELLECTUAL PROPERTY AND DIRECTOR OF THE UNITED STATES PATENT AND TRADEMARK OFFICE, Intervenor, U.S. Court of Appeals, Federal Circuit, (Feb. 18, 2026)
    • ST CASE1TECH, LLC, Appellant v. JOHN A. SQUIRES, UNDER SECRETARY OF COMMERCE FOR INTELLECTUAL PROPERTY AND DIRECTOR OF THE UNITED STATES PATENT AND TRADEMARK OFFICE, Intervenor, U.S. Court of Appeals, Federal Circuit, (Feb. 18, 2026)
    • SPIN MASTER, LTD, Plaintiff, v. AOMORE-US ET AL., Defendants., U.S. District Court, S.D. New York, (Jan. 27, 2026)
    • SPACETIME3D, INC., Appellant v. APPLE INC., GOOGLE LLC, Appellees, U.S. Court of Appeals, Federal Circuit, (Aug. 31, 2026)
    • SOUND VIEW INNOVATIONS, LLC, Plaintiff-Appellant v. HULU, LLC, Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Jan. 29, 2026)
    • SOLBELLO, INC., Plaintiff, v. SHORESHADE, LLC, Defendant., U.S. District Court, S.D. Georgia, (May 18, 2026)
    • SOCKET SOLUTIONS, LLC, Plaintiff-Appellee v. IMPORT GLOBAL, LLC, Defendant-Appellant, U.S. Court of Appeals, Federal Circuit, (Aug. 4, 2026)
    • SMITH INTERFACE TECHNOLOGIES, LLC, Plaintiff, v. APPLE INC., Defendant., U.S. District Court, S.D. California, (Sept. 3, 2026)
    • SMITH INTERFACE TECHNOLOGIES, LLC, Plaintiff, v. APPLE INC., Defendant., U.S. District Court, S.D. California, (Jan. 28, 2026)
    • SLINGSHOT PRINTING LLC, Appellant v. CANON U.S.A., INC., CANON INC., Appellees, U.S. Court of Appeals, Federal Circuit, (Jul. 21, 2026)
    • SLINGSHOT PRINTING LLC, Appellant v. CANON U.S.A., INC., CANON INC., Appellees, U.S. Court of Appeals, Federal Circuit, (Apr. 23, 2026)
    • SLINGSHOT PRINTING LLC, Appellantit v. CANON U.S.A., INC., CANON INC., Appellees, U.S. Court of Appeals, Federal Circuit, (Jul. 16, 2026)
    • SLINGSHOT PRINTING LLC, Appellant v. CANON U.S.A., INC., CANON INC., Appellees, U.S. Court of Appeals, Federal Circuit, (Jul. 16, 2026)
    • SLICK SLIDE LLC, Plaintiff, v. ZACHARY WITTMAN and V2 ADVENTURE PRODUCTS USA, LLC, Defendants., U.S. District Court, E.D. Wisconsin, (Feb. 25, 2026)
    • Signify North America Corporation, et al., Plaintiffs v. Lepro Innovation Inc., et al., Defendants, U.S. District Court, D. Nevada, (Aug. 7, 2026)
    • SIGHT SCIENCES, INC., Plaintiff, v. IVANTIS, INC., ALCON RESEARCH LLC, ALCON VISION, LLC, and ALCON INC., Defendants., U.S. District Court, D. Delaware, (Mar. 27, 2026)
    • SHOPIFY INC., SHOPIFY (USA) INC., Plaintiffs-Appellees v. EXPRESS MOBILE, INC., Defendant-Appellant, U.S. Court of Appeals, Federal Circuit, (Dec. 8, 2025)
    • SHENZHEN JISU TECHNOLOGY CO., LTD., Plaintiff-Appellant v. THE ENTITIES AND INDIVIDUALS IDENTIFIED IN ANNEX A, VHJWPDYD DRONE, STORES FOKELYI, MYSTIGUE, ADXSHOP, BRILLIRARE, CHIDA3D, CRAWFORD RICH, ERLEEQING, FLUFUNM, GDQ STORE, GEOLINCA, GONGYI, JAMONXI, KASX-US, KEKEROSE, MARCHSAN, MRWALK DIRECT, NEZYLAF, OMNIGOODS STORE, ONECASE, PRIME DIRECT NY, RAY-US, STORE NO. 9, SUBLIME_SHOP, V&JGLOBAL BUSINESS LLC, AMOUSA, DENGMORE, KAWELL, KIPLYKI, MAG DEPARTMENT STORE LLC, MANNYA CO., LTD., MSNF CO. LTD., OAVQHLG3B, POMOKO, QILIAN TRADING CO., LTD., ROYALLOVE, SGDL HOLDINGS INC., SHENZHEN COLOR SHENG LONG SILK TRADING CO., LTD., SHENZHEN HONGFU WUZHOU TECHNOLOGY CO., LTD., SHENZHEN HUI XI TECHNOLOGY CO., LTD., SHENZHEN QUSHI TECHNOLOGY CO., LTD., SYNERGY INC., WSBDENLK CLEARANCE, YOHOME PRODUCTS, KWSKY, MMWUS, MEIBEIBEAUTY, BEAUTYSALON, E-EMALL, COOL ELECTRONICS SHENZHEN, HXSTARTINGLINE, WUXIAO2, BABAQINL009, XHGSM3-32, GAIATOP DIRECT, BEST LIFE NEED, SPLENDID ENERGY LIGHTING, SILDURX THI, SWEETFULL TECHNOLOGY, EKOUSN, ENTASSER, FIUDX CO. LTD., FRSARA, HELDIG, JSQBD, B BREATHTAKING, CHENPULUOS, COLORED FLAG, DO MORE WITH LESS, HONHEY DIRECT, MILTONRE, NARDENM, PRIYAITTAL, RIANLEY, SHENZHEN HONGHAO RUIXIN TECHNOLOGY CO., LTD., SPARK INNOVATORS, TANOMI, VITONG, WOPE, COMERSS, ICOLORFULED, Defendants ZHOUTY, KAZEBLAST, ZSLST, SHENZHEN MAIMI ELECTRONIC TECHNOLOGY CO., LTD., XINYI LIU, Defendants-Appellees, U.S. Court of Appeals, Federal Circuit, (Jul. 22, 2026)
    • Shangyou Jiayi Lighting Product Co., Ltd., Plaintiff, v. The Partnerships and Unincorporated Associations Identified in Schedule A, Defendants., U.S. District Court, E.D. Texas, (Sept. 30, 2026)
    • SEOUL SEMICONDUCTOR CO., LTD., SEOUL VIOSYS CO., LTD., Plaintiffs v. FINELITE, INC., Defendant/Third Party Plaintiff-Appellant v. SAMSUNG SEMICONDUCTOR, INC., Third-Party Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (May 13, 2026)
    • SCILEX PHARMACEUTICALS INC., ITOCHU CHEMICAL FRONTIER CORP., OISHI KOSEIDO CO., LTD., Plaintiffs-Appellants v. AVEVA DRUG DELIVERY SYSTEMS, INC., Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Aug. 4, 2026)
    • SCHMEISSER GMBH, Plaintiff-Appellant v. AC-UNITY D.O.O., Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Jul. 30, 2026)
    • SCALE BIOSCIENCES, INC. and ROCHE SEQUENCING SOLUTIONS, INC., Plaintiffs, v. PARSE BIOSCIENCES, INC., Defendant., U.S. District Court, D. Delaware, (Aug. 18, 2026)
    • SCALE BIOSCIENCES, INC. and ROCHE SEQUENCING SOLUTIONS, INC., Plaintiffs, v. PARSE BIOSCIENCES, INC., Defendant., U.S. District Court, D. Delaware, (Aug. 4, 2026)
    • SCALE BIOSCIENCES, INC. and ROCHE SEQUENCING SOLUTIONS, INC., Plaintiffs, v. PARSE BIOSCIENCES, INC., Defendant., U.S. District Court, D. Delaware, (Jun. 17, 2026)
    • SATIUS HOLDING, LLC, FKA SATIUS HOLDING, INC., Plaintiff-Appellant v. SAMSUNG ELECTRONICS CO., LTD., SAMSUNG ELECTRONICS AMERICA, INC., Defendants-Appellees, U.S. Court of Appeals, Federal Circuit, (Oct. 1, 2026)
    • STANLEY A. SANSONE, Plaintiff-Appellant v. UNITED STATES PATENT AND TRADEMARK OFFICE, UNITED STATES PATENT AND TRADEMARK OFFICE DIRECTOR, JOHN A. SQUIRES, UNDER SECRETARY OF COMMERCE FOR INTELLECTUAL PROPERTY AND DIRECTOR OF THE UNITED STATES PATENT AND TRADEMARK OFFICE, Defendants-Appellees, U.S. Court of Appeals, Federal Circuit, (Jun. 24, 2026)
    • MARK H. SANDSTROM, Appellant v. INTERNATIONAL TRADE COMMISSION, Appellee XENOGENIC DEVELOPMENT LLC, Intervenor, U.S. Court of Appeals, Federal Circuit, (Jan. 9, 2026)
    • SANDOZ, INC.; RAREGEN, LLC, n/k/a Liquidia PAH, LLC v. UNITED THERAPEUTICS CORP.; SMITHS MEDICAL ASD, INC., U.S. Court of Appeals, Third Circuit, (Oct. 7, 2026)
    • SAMESURF, INC., Appellant v. INTUIT INC., Appellee, U.S. Court of Appeals, Federal Circuit, (May 21, 2026)
    • SAMESURF, INC., Plaintiff, v. INTUIT INC., Defendant., U.S. District Court, S.D. California, (May 28, 2026)
    • ROBERT BOSCH LLC, MERCEDES-BENZ USA, LLC, Appellants V. WESTPORT FUEL SYSTEMS CANADA INC., Appellee, U.S. Court of Appeals, Federal Circuit, (Aug. 18, 2026)
    • THE RIDGE WALLET, LLC, Plaintiff, -against- BEMMO INC., Defendant., U.S. District Court, E.D. New York, (Dec. 9, 2025)
    • RIDGE CORP., COLD CHAIN, LLC, Plaintiffs-Appellees v. KIRK NATIONALEASE CO., TRUCK & TRAILER PARTS SOLUTIONS, INC., ALTUM LLC, Defendants-Appellants, U.S. Court of Appeals, Federal Circuit, (Jul. 13, 2026)
    • RICOH COMPANY, LTD., Plaintiff, v. ZOOM COMMUNICATIONS, INC. F/K/A ZOOM VIDEO COMMUNICATIONS, INC., Defendant., U.S. District Court, D. Delaware, (Oct. 15, 2026)
    • RICOH COMPANY, LTD., Plaintiff, v. ZOOM COMMUNICATIONS, INC., Defendant., U.S. District Court, D. Delaware, (May 1, 2026)
    • RFC LENDERS OF TEXAS, LLC, Plaintiff-Appellant v. SMART CHEMICAL SOLUTIONS, LLC, Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Apr. 29, 2026)
    • RENSSELAER POLYTECHNIC INSTITUTE, CF DYNAMIC ADVANCES LLC, Plaintiffs-Appellants v. AMAZON.COM, INC., Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Feb. 24, 2026)
    • REGENXBIO INC., TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA, Plaintiffs-Appellants v. SAREPTA THERAPEUTICS, INC., SAREPTA THERAPEUTICS THREE, LLC, Defendants-Appellees, U.S. Court of Appeals, Federal Circuit, (Feb. 20, 2026)
    • THE REGENTS OF THE UNIVERSITY OF MICHIGAN, Plaintiff-Appellant v. LEICA MICROSYSTEMS, INC., Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Jul. 31, 2026)
    • THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, UNIVERSITY OF VIENNA, and EMMANUELLE CHARPENTIER Junior Party (Applications 15/947,680; 15/947,700; 15/947,718; 15/981,807; 15/981,808; 15/981,809; 16/136,159; 16/136,165; 16/136,168;16/136,175; 16/276,361; 16/276,365; 16/276,368; and 16/276,374), v. THE BROAD INSTITUTE, INC., MASSACHUSETTS INSTITUTE OF TECHNOLOGY, and PRESIDENT AND FELLOWS OF HARVARD COLLEGE, Senior Party (Patents 8,697,359; 8,771,945; 8,795,965; 8,865,406; 8,871,445; 8,889,356; 8,895,308; 8,906,616; 8,932,814; 8,945,839; 8,993,233; 8,999,641, 9,840,713, and Application 14/704,551)., U.S Patent and Trademark Office, Trademark Trial and Appeal Board, (Mar. 26, 2026)
    • RECOR MEDICAL, INC., Plaintiff-Appellee v. MEDTRONIC IRELAND MANUFACTURING UNLIMITED CO., Defendant-Appellant MEDTRONIC VASCULAR, INC., MEDTRONIC, INC., Defendants, U.S. Court of Appeals, Federal Circuit, (May 19, 2026)
    • THE RECEIVERSHIP ESTATE OF AUDIENCESCIENCE INC., REVITALIZATION PARTNERS, LLC, AS GENERAL RECEIVER FOR THE RECEIVERSHIP ESTATE OF AUDIENCESCIENCE INC., Plaintiffs-Appellants v. GOOGLE LLC, YOUTUBE LLC, Defendants-Appellees, U.S. Court of Appeals, Federal Circuit, (Sept. 25, 2026)
    • RAVIN CROSSBOWS, LLC, Appellant v. JOHN A. SQUIRES, UNDER SECRETARY OF COMMERCE FOR INTELLECTUAL PROPERTY AND DIRECTOR OF THE UNITED STATES PATENT AND TRADEMARK OFFICE, Intervenor, U.S. Court of Appeals, Federal Circuit, (Aug. 6, 2026)
    • RANGE OF MOTION PRODUCTS, LLC, Plaintiff-Appellant v. ARMAID COMPANY INC., Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Feb. 2, 2026)
    • RANGE OF MOTION PRODUCTS, LLC, Plaintiff-Appellant v. ARMAID COMPANY INC., Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Aug. 11, 2026)
    • RANDOM CHAT, LLC, Plaintiff, v. ALTRA FEDERAL CREDIT UNION, Defendant., U.S. District Court, E.D. Texas, (Mar. 6, 2026)
    • RALLY AG LLC, Plaintiff, v. APPLE, INC., Defendant., U.S. District Court, D. Delaware, (Aug. 7, 2026)
    • Q TECHNOLOGIES, INC., Plaintiff-Appellant v. WALMART, INC., Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Feb. 5, 2026)
    • PURADIGM, LLC, Plaintiff-Appellant v. DBG GROUP INVESTMENTS LLC, AP SCIENCES GROUP, LLC, FKA ACTIVEPURE TECHNOLOGIES, LLC, ACTIVEPURE MEDICAL LLC, AERUS LLC, AERUS FRANCHISING LLC, ARS HOME SOLUTIONS LLC, AERUS ENTERPRISE LLC, VOLLARA LLC, VOLLARA CONCEPTS LLC, Defendants-Appellees, U.S. Court of Appeals, Federal Circuit, (Apr. 1, 2026)
    • POM GROUP INC, Plaintiff; v. SCHEDULE A DEFENDANTS, Defendants., U.S. District Court, W.D. Pennsylvania, (Apr. 16, 2026)
    • PIRANHA MEDIA DISTRIBUTION LLC, Plaintiff-Appellant V. HULU, LLC, Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Oct. 14, 2026)
    • PIONEER HI-BRED INTERNATIONAL, INC., Appellant v. INARI AGRICULTURE, INC., Appellee, U.S. Court of Appeals, Federal Circuit, (Oct. 2, 2026)
    • PICTOMETRY INTERNATIONAL CORPORATION, Appellant v. ROOFR INC., Appellee, U.S. Court of Appeals, Federal Circuit, (May 22, 2026)
    • PICTOMETRY INTERNATIONAL CORPORATION, Appellant v. ROOFR INC., Appellee, U.S. Court of Appeals, Federal Circuit, (May 22, 2026)
    • PFIZER INC., Appellant v. SANOFI VACCINES US INC., SK BIOSCIENCE CO., LTD., Appellees, U.S. Court of Appeals, Federal Circuit, (Jul. 31, 2026)
    • KIRK PEMBERTON, Plaintiff, v. JACK IN THE BOX INC., Defendant., U.S. District Court, S.D. California, (Jan. 13, 2026)
    • PETER HENRIK PEDERSEN, Appellant v. UNIFIED PATENTS, LLC, Appellee, U.S. Court of Appeals, Federal Circuit, (Mar. 26, 2026)
    • PARTNER ONE ACQUISITIONS INC., ASSIMA USA LLC v. WHATFIX PRIVATE LIMITED, WHATFIX, INC., U.S. District Court, D. Delaware, (Jan. 27, 2026)
    • PARKERVISION, INC., Plaintiff-Appellant v. QUALCOMM INCORPORATED, QUALCOMM ATHEROS, INC., Defendants-Appellees, U.S. Court of Appeals, Federal Circuit, (Sept. 30, 2026)
    • THE PARALLAX GROUP INTERNATIONAL, LLC, Plaintiff-Appellee v. INCSTORES LLC, Defendant-Appellant, U.S. Court of Appeals, Federal Circuit, (Mar. 20, 2026)
    • OTSUKA PHARMACEUTICAL CO., LTD., Plaintiff-Appellant v. LUPIN LTD., LUPIN PHARMACEUTICALS, INC., Defendants-Appellees, U.S. Court of Appeals, Federal Circuit, (May 21, 2026)
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  • Articles
  • Articles

    Patent Cases, RED HAT, INC., Plaintiff, v. COMPETITIVE ACCESS SYSTEMS, INC., Defendant., U.S. District Court, E.D. North Carolina, (Jun. 12, 2025)

    RED HAT, INC., Plaintiff, v. COMPETITIVE ACCESS SYSTEMS, INC., Defendant.

    U.S. District Court, E.D. North Carolina, Western Division. No. 5:24-CV-505-D. June 12, 2025.

    James C. Dever, III, District Judge

    James C. Dever III, District Judge

    ORDER

    On September 3, 2024, Red Hat, Inc. (“Red Hat” or “plaintiff”) filed a complaint against Competitive Access Systems, Inc. (“CAS” or “defendant”) [D.E. 1]. Red Hat alleges a violation of the North Carolina Abusive Patent Assertions Act (“APAA”), N.C. Gen. Stat. §§75-140, et seq., and seeks a declaratory judgment of noninfringement for each of CAS's seven patents. See id. at 18-27. On October 25, 2024, CAS moved to dismiss the complaint [D.E. 14] and filed a memorandum in support [D.E. 15] and declaration [D.E. 16]. See Fed. R. Civ. P. 12(b)(1), (2), (6). On November 15, 2025, Red Hat responded in opposition [D.E. 22]. On November 27, 2024, CAS replied [D.E. 27]. As explained below, the court denies CAS's motion to dismiss.

    I.

    This case concerns seven software patents that CAS owns and a series of communications CAS sent to Red Hat about those patents. See Compl. ¶¶25-102. Red Hat is a software services corporation headquartered in Raleigh, North Carolina, and incorporated under Delaware law. See id. at ¶9. Red Hat produces and maintains widely used enterprise business software. See id. at ¶28. CAS is a corporation headquartered in Plano, Texas, and incorporated under Texas law. See id. at ¶10; [D.E. 16] ¶3. CAS monetizes patents through licensing. See Compl. ¶11.

    On October 2, 2023, CAS, through patent attorney Clay McGurk (“McGurk”), sent a letter to Red Hat's general counsel. See [D.E. 1-10] 2. CAS's letter is addressed to “Red Hat Corporation HQ 100 East Davie Street Raleigh, NC 27601.” Id. In this letter, CAS stated that it owns seven patents (“the DeLangis Portfolio”) that cover the Multipath Transmission Control Protocol (“MPTCP”). See id. The MPTCP is one of many ways computers may communicate among themselves over the internet. See Compl. ¶58. CAS also stated that Red Hat “may already be using the MPTCP protocol,” that “[u]sing the CAS routing techniques” likely increases the speed and reliability of Red Hat's products, and that CAS, in its letter, “[was] providing notice about its patents” to Red Hat. [D.E. 1-10] 2. CAS stated its intention to license the DeLangis Portfolio to Red Hat and that “CAS settled with a major U.S. company in case number 2:27-cv-287.” Id. CAS finished the letter by asking Red Hat to “[p]lease contact [CAS] right away to discuss licensing opportunities.” Id. CAS did not provide claim charts or an analysis of how Red Hat's software specifically infringed the DeLangis Portfolio. See Compl ¶72.

    From November 27, 2023, to June 18, 2024, McGurk and Red Hat's Director of Litigation exchanged emails, phone calls, and had a video conference. See [D.E. 22-1] 2-5; Compl. ¶38. During these conversations, Red Hat requested repeatedly that CAS provide claim charts. See Compl. ¶¶42-48. On June 18, 2024, CAS sent claim charts for three of the seven patents in the DeLangis Portfolio. See id. at ¶47. In CAS's corresponding email, CAS stated that it “is not withdrawing any paetnt [sic] assertions at this time.” [D.E. 22-1] 2. CAS added that it “believe[s] that [CAS's] patent assertions against Red Hat have merit.” Id. All three claim charts that CAS sent to Red Hat concern expired patents. See Compl. at ¶48.

    II.

    CAS moves to dismiss for lack of specific personal jurisdiction. See [D.E. 15] 5-9; Fed. R. Civ. P. 12(b)(2). [1] The court applies the law of the United States Court of Appeals for the Federal Circuit when considering patent issues. See Breckenridge Pharm., Inc. v. Metabolite Lab'ys, Inc., 444 F.3d 1356, 1361 (Fed. Cir. 2006); Deprenyl Animal Health, Inc. v. Univ. of Toronto Innovations Found., 297 F.3d 1343, 1348 (Fed. Cir. 2002); Murj, Inc. v. Rhythm Mgmt. Grp., LLC, 622 F. Supp. 3d 109, 114 (D. Md. 2022); W.L. Gore & Assocs., Inc. v. Medtronic, Inc., 778 F. Supp. 2d 667, 670 (E.D. Va. 2011); Walter Kidde Portable Equip., Inc. v. Universal Sec. Instruments, Inc., 304 F. Supp. 2d 769, 771 (M.D.N.C. 2004). “While personal jurisdiction might appear to be a nonpatent issue at first glance, the Federal Circuit has held that with respect to personal jurisdiction, it applies Federal Circuit law because the jurisdictional issue is intimately involved with the substance of the patent laws.” W.L. Gore, 778 F. Supp. 2d at 670 (cleaned up); see Breckenridge Pharm, 444 F.3d at 1361; Deprenyl Animal, 297 F.3d at 1348; Murj, 622 F. Supp. 3d at 114; Walter Kidde, 304 F. Supp. 2d at 771. “Federal Circuit law regarding due process also applies to the question of personal jurisdiction on non-patent claims if the resolution of the patent infringement issue will be a significant factor in determining liability under the non-patent claims.” Breckenridge Pharm., 444 F.3d at 1361 (quotation omitted). Personal jurisdiction, however, “cannot rest on special patent policies.” Trimble, Inc. v. PerDiemCo LLC, 997 F.3d 1147, 1154 (Fed. Cir. 2021).

    The court lacks personal jurisdiction over a nonresident defendant unless jurisdiction comports with North Carolina's long-arm statute and the Fourteenth Amendment's Due Process Clause. See e.g., Maxchief Invs. Ltd. v. Wok & Pan, Ind., Inc., 909 F.3d 1134, 1141 (Fed. Cir. 2018). [2] North Carolina's long-arm statute extends personal jurisdiction over a nonresident defendant consistent with the Fourteenth Amendment's Due. Process Clause. See Walter Kidde, 304 F. Supp. 2d at 771; Celgard, LLC v. SK Innovation Co., No. 3:13-CV-254, 2014 WL 5430993, at *2 (W.D.N.C. Aug. 29, 2014) (unpublished), aff'd, 792 F.3d 1373 (Fed. Cir. 2015); cf. Christian Sci. Bd. of Dirs. v. Nolan, 259 F.3d 209, 215 (4th Cir. 2001). Thus, the statutory inquiry merges with the constitutional inquiry. See Walter Kidde, 304 F. Supp. 2d at 771; Celgard, 2014 WL 5430993, at *2; cf. Nolan, 259 F.3d at 215; Atl. Corp. of Wilmington, Inc. v. TBG Tech Co., 565 F. Supp. 3d 748, 759 (E.D.N.C. 2021).

    Due process requires a defendant to have “certain minimum contacts with the forum such that the maintenance of the suit does not offend traditional notions of fair play and substantial justice.” Helicopteros Nacionales de Colom., S.A. v. Hall, 466 U.S. 408, 414 (1984) (alteration and quotations omitted). The minimum contacts analysis considers “the relationship among the defendant, the forum, and the litigation.” Walden v. Fiore, 571 U.S. 277, 284 (2014) (quotation omitted); see Ford Motor Co. v. Mont. Eighth Jud. Dist. Ct., 592 U.S. 351, 358–60 (2021); Bristol-Myers Squibb Co. v. Super. Ct., 582 U.S. 255, 264 (2017). This analysis ensures that a defendant is not haled into a court's jurisdiction “solely as a result of random, fortuitous, or attenuated contacts.” Burger King Corp. v. Rudzewicz, 471 U.S. 462, 475 (1985) (quotations omitted); see Ford Motor Co., 592 U.S. at 359.

    The minimum contacts analysis focuses on whether a defendant “purposefully directed his activities at residents of the forum” and whether the causes of action arise out of or relate to those activities. Burger King, 471 U.S. at 472 (quotation omitted); see Ford Motor Co., 592 U.S. at 359; Bristol-Myers Squibb, 582 U.S. at 262; cf. ALS Scan, Inc. v. Digit. Serv. Consultants, Inc., 293 F.3d 707, 712 (4th Cir. 2002); Atl. Corp., 565 F. Supp. 3d at 760. In determining specific jurisdiction, the Federal Circuit considers “(1) whether the defendant purposefully directed its activities at residents of the forum; (2) whether the claim arises out of or relates to the defendant's activities with the forum; and (3) whether assertion of personal jurisdiction is reasonable and fair.” Xilinx, Inc. v. Papst Licensing GmbH & Co. KG, 848 F.3d 1346, 1353 (Fed. Cir. 2017) (quotation omitted); see Trimble,. 997 F.3d at 1153 (Fed. Cir. 2021); Breckenridge Pharm., 444 F.3d at 1363; Deprenyl Animal, 297 F.3d at 1350-51; Akro Corp. v. Luker, 45 F.3d 1541, 1545-46 (Fed. Cir. 1995). “With respect to the last prong, the burden of proof is on the defendant, which must present a compelling case that the presence of some other considerations would render jurisdiction unreasonable.” Breckenridge Pharm., 444 F.3d at 1363 (quotation omitted); see Trimble, 997 F.3d at 1153; Xilinx, 848 F.3d at 1356; Akro, 45 F.3d at 1545-46. Thus, the “constitutional touchstone” of specific personal jurisdiction “remains whether the defendant purposefully established minimum contacts in the forum State.” Burger King, 471 U.S. at 474 (quotation omitted); see Bristol-Myers Squibb, 582 U.S. at 264–66; Walden, 571 U.S. at 284-91.

    First, in analyzing the extent to which a defendant purposefully availed itself of the privilege of conducting activities within a state, the court may consider various contacts with the forum state. See Burger King, 471 U.S. at 474; Bristol-Myers Squibb, 582 U.S. at 264–66; Walden, 571 U.S. at 284-91. Such contacts include “letters and phone calls initiated from out-of-state.” Jack Henry & Assocs., Inc. v. Plano Encryption Techs. LLC, 910 F.3d 1199, 1205 (Fed. Cir. 2018); see Xilinx, 848 F.3d at 1354. “An entity that repeatedly sends communications into a forum state clearly has fair warning that its activity may subject it to the jurisdiction of a foreign sovereign.” Trimble, 997 F.3d at 1155 (cleaned up). Indeed, “communications threatening suit or proposing settlement or patent licenses can be sufficient to establish personal jurisdiction.” Id.; see Xilinx, 848 F.3d at 1354. The mere “sending of a letter that forms the basis for the claim may be sufficient to establish minimum contacts.” Jack Henry, 910 F.3d at 1204; see New World Int'l, Inc. v. Ford Glob. Techs., LLC, 859 F.3d 1032, 1037-38 (Fed. Cir. 2017).

    Second, the claims must have arisen out of or relate to those activities that the defendant directed at the state. See Ford Motor Co., 592 U.S. at 361-71; Xilinx, 848 F.3d at 1353; Breckenridge Pharm., 444 F.3d at, 1363; cf. UMG Recordings, 963 F.3d at 354-55; Atl. Corp., 565 F. Supp. 3d at 760.

    Third, the court must analyze whether the exercise of personal jurisdiction is reasonable and fair. See Ford Motor Co., 592 U.S. at 368; Bristol-Myers Squibb, 582 U.S. at 262-65; Burger King, 471 U.S. at 476-78; World-Wide Volkswagen Corp. v. Woodson, 444 U.S. 286, 292 (1980); Trimble, 997 F.3d at 1153; cf. Consulting Eng'rs, 561 F.3d at 279; Atl. Corp., 565 F. Supp. 3d at 760-61. This analysis permits a court to consider additional factors to ensure the appropriateness of the forum once it has determined that a defendant has purposefully directed its activities into the forum states. See Trimble, 997 F.3d at 1153; cf. Consulting Eng'rs, 561 F.3d at 279; Atl. Corp., 565 F. Supp. 3d at 760-61. Such factors include:

    (1) the burden on the defendant, (2) the forum State's interest in adjudicating the dispute, (3) the plaintiff's interest in obtaining convenient and effective relief, (4) the interstate judicial system's interest in obtaining the most efficient resolution of controversies, and (5) the shared interest of the several States in furthering fundamental substantive social policies.

    Trimble, 997 F.3d at 1153 (cleaned up).

    When the court decides a pretrial motion to dismiss for lack of personal jurisdiction without receiving evidence, a plaintiff need only make a prima facie showing of personal jurisdiction. See Xilinx, 848 F.3d at 1352; cf. Hawkins v. i-TV Digitalis Tavkozlesi zrt., 935 F.3d 211, 226 (4th Cir. 2019); Sneha Media & Ent., LLC v. Associated Broad. Co., 911 F.3d 192, 196–97 (4th Cir. 2018); Mylan Lab'ys, Inc. v. Akzo, N.V., 2 F.3d 56, 60 (4th Cir. 1993). The court construes all relevant jurisdictional allegations in the complaint in the light most favorable to the plaintiff and draws the most favorable inferences for the existence of jurisdiction. See Xilinx, 848 F.3d at 1352; cf. Hawkins, 935 F.3d at 226; Mylan Lab'ys, 2 F.3d at 60. A plaintiff need not establish the existence of personal jurisdiction by a preponderance of the evidence. See Xilinx, 848 F.3d at 1352; cf. Sneha Media & Ent., 911 F.3d at 196–97. If the court receives evidence concerning personal jurisdiction, a plaintiff must demonstrate personal jurisdiction by a preponderance of the evidence. See Genetic Veterinary Scis., Inc. v. LABOKLIN GmbH & Co. KG, 933 F.3d 1302, 1309 (Fed. Cir. 2019); cf. Grayson v. Anderson, 816 F.3d 262, 268 (4th Cir. 2016).

    CAS contends that its contacts with North Carolina are insufficient. See [D.E. 15] 7-9. Specifically, CAS argues that under Red Wing Shoe Co. v. Hockerson-Halberstadt, Inc., 148 F.3d 1355 (Fed. Cir. 1998), merely informing a party in the forum state of suspected infringement cannot support personal jurisdiction. See id. at 1360-61; [D.E. 15] 8. In Jack Henry, however, the Federal Circuit explained that Red Wing “did not create such a rule.” Jack Henry, 910 F.3d at 1206; see Trimble, 997 F.3d at 1155; New World, 859 F.3d at 1037-38; Xilinx, 848 F.3d at 1354. Moreover, in the light most favorable to Red Hat, CAS's initial correspondence is a demand letter. See [D.E. 1-10] 2. Furthermore, as the Federal Circuit observed in Trimble, Red Wing concerned only three letters sent into the forum state. See Trimble, 997 F.3d at 1153-54. To the extent Red Wing has precedential value, it does not help CAS because CAS communicated with Red Hat employees in North Carolina through several emails, two phone calls, a mailed letter, and a video conference. See Compl. ¶38, 40–41; [D.E. 22-1] 2–4.

    Numerosity aside, the “nature and scope of [CAS's] communications” also support personal jurisdiction. Trimble, 997 F.3d at 1155. Starting with its initial letter addressed to Red Hat's Raleigh, North Carolina headquarters, CAS purposefully directed its contacts to North Carolina. See Compl. ¶¶29, 35-37; 41–42; [D.E. 1-10] 2. More than just a mere technical notice, CAS singled-out Red Hat's General Counsel as the intended recipient. See [D.E. 1-10] 2. Moreover, CAS concluded its letter by stating its “intention of licensing its patent portfolio to [Red Hat]” and noting its recent “settle[ment] with a major U.S. Company.” Id. These facts support personal jurisdiction. See Jack Henry, 910 F.3d at 1206; Trimble, 997 F.3d at 1155; New World, 859 F.3d at 1037-38; Xilinx, 848 F.3d at 1354.

    CAS also initiated or engaged in telephone conversations, sustained email communication, and a video conference with Red Hat employees in North Carolina. See Compl. ¶38, 40–41; [D.E. 22-1] 2–4. Most of these communications were directed at Red Hat's Director of Litigation. See [D.E. 22-1] 2–4. In a June 18, 2024, email to Red Hat's Director of Litigation, CAS stated that it “believes that [its] patent assertions against Red Hat have merit.” [D.E. 22-1] 2. In that same email, CAS stated that it refuses to withdraw “any paetnt [sic] assertions at this time.” Id. Moreover, CAS attached three claim charts, a proposed nondisclosure agreement, and technical documentation in support of its patent assertions. See [D.E. 22-1] 2, 4–5. Taken together, CAS's communications “threatening suit or proposing settlement or patent licenses” suffice to establish specific personal jurisdiction. Trimble, 997 F.3d at 1155; see Jack Henry, 910 F.3d at 1204–06; New World, 859 F.3d at 1037-38; Xilinx, 848 F.3d at 1354; cf. Schaefer Sys., 2023 WL 4055712, at *4–6.

    Red Hat's APAA and declaratory judgment claims arise directly from these communications. See Burger King, 471 U.S. at 472; New World, 859 F.3d at 1037; Xilinx, 848 F.3d at 1354. Furthermore, the exercise of personal jurisdiction here is reasonable considering, inter alia, North Carolina's interest in protecting “North Carolina businesses from abusive and bad-faith assertions of patent infringement.” N.C. Gen. Stat. Ann. §75-141. Thus, the court has specific personal jurisdiction over CAS.

    III.

    CAS moves to dismiss Red Hat's declaratory judgment claims for lack of standing. See [D.E. 15] 9-15; Fed. R. Civ. P. 12(b)(1). A plaintiff establishes Article III standing by showing: (1) that the plaintiff has “suffered an injury in fact—an invasion of a legally-protected interest which is (a) concrete and particularized and (b) actual or imminent, not conjectural or hypothetical”; (2) “a causal connection between the injury and the conduct complained of—the injury has to be fairly traceable to the challenged action of the defendant, and not the result of the independent action of some third party not before the court”; and (3) that it is “likely, as opposed to merely speculative, that the injury will be redressed by a favorable decision” from the court. Chambers Med. Techs. of S.C., Inc. v. Bryant, 52 F.3d 1252, 1265 (4th Cir. 1995) (cleaned up); see Food & Drug Admin. v. All. for Hippocratic Med., 602 U.S. 367, 380 (2024); Tyler v. Hennepin Cntv., 598 U.S. 631, 636 (2023); TransUnion LLC v. Ramirez, 594 U.S. 413, 423-30 (2021); Frank v. Gaos 586 U.S. 485, 492 (2019) (per curiam); Spokeo, Inc. v. Robins, 578 U.S. 330, 338 (2016); Lujan v. Defs. of Wildlife, 504 U.S. 555, 560-61 (1992); Laufer v. Naranda Hotels, LLC, 60 F.4th 156, 161 (4th Cir. 2023); Nanni v. Aberdeen Marketplace, Inc., 878 F.3d 447, 450 (4th Cir. 2017). These requirements are “the irreducible constitutional minimum of standing.” Lujan, 504 U.S. at 560; see Spokeo, Inc., 578 U.S. at 338. If a plaintiff lacks standing, the court does not have subject-matter jurisdiction to hear the plaintiff's claim: See, e.g., Lujan, 504 U.S. at 560–61; White Tail Park, Inc. v. Stroube, 413 F.3d 451, 459 (4th Cir. 2005).

    Injury-in-fact requires the plaintiff to demonstrate a “concrete and particularized” harm. Krakauer v. Dish Network, L.L.C., 925 F.3d 643, 653 (4th Cir. 2019); see Spokeo, 578 U.S. at 340. Concreteness requires the injury to be “real, and not abstract,” even if the harm is intangible. Spokeo, 578 U.S. at 340 (quotation omitted); see Curtis v. Propel Prop. Tax Funding, L.L.C., 915 F.3d 234, 240-41 (4th Cir. 2019). Furthermore, “in determining whether a given injury meets the constitutional threshold, [courts] look to both historic practice and the judgment of Congress.” Krakauer, 925 F.3d at 653; see TransUnion, 594 U.S. at 424–26; Spokeo, 578 U.S. at 340-41; Lujan, 504 U.S. at 560. Tangible or intangible injuries can satisfy the requirement of concreteness. See Spokeo, 578 U.S. at 340-41.

    As it relates to standing, the “purpose of the Declaratory Judgment Act in patent cases is to provide the allegedly infringing party relief from uncertainty and delay regarding its legal rights.” Sony Elecs., Inc. v. Guardian Media Techs., Ltd., 497 F.3d 1271, 1285 (Fed. Cir. 2007) (cleaned up). The Declaratory Judgment Act, however, “is not an independent basis for subject matter jurisdiction.” Prasco, LLC v. Medicis Pharm. Corp., 537 F.3d 1329, 1335 (Fed. Cir. 2008). A plaintiff must satisfy Article III's standing requirements to seek a declaratory judgment. See MedImmune, Inc. v. Genentech, Inc., 549 U.S. 118, 130 (2007); Mitek Sys., Inc. v. United Servs. Auto. Ass'n, 34 F.4th 1334, 1340 (Fed. Cir. 2022); Microsoft Corp. v. DataTern, Inc., 755 F.3d 899, 903 (Fed. Cir. 2014); Arris Grp., Inc. v. Brit. Telecomms. PLC, 639 F.3d 1368, 1373 (Fed. Cir. 2011); Prasco, 537 F.3d at 1335-36. A plaintiff must plausibly allege that “there is a substantial controversy, between parties having adverse legal interests, of sufficient immediacy and reality to warrant the issuance of a declaratory judgment.” Medimmune, 549 U.S. at 130; Mitek, 34 F.4th at 1340; Microsoft, 755 F.3d at 903; Arris, 639 F.3d at 1373; Prasco, 537 F.3d at 1335-36.

    “[C]ontinued willingness to engage in licensing negotiations does not prevent a plaintiff from maintaining a declaratory judgment suit.” Sony, 497 F.3d at 1286. When a party “asserts rights under a patent based on certain identified ongoing or planned activity of another party, and where that party contends that it has the right to engage in the accused activity without license, an Article III case or controversy [exists].” SanDisk Corp. v. STMicroelectronics, Inc., 480 F.3d 1372, 1381 (Fed. Cir. 2007); Sony, 497 F.3d at 1286. A patent holder cannot defeat a declaratory judgment action with communications that simply avoid “magic words such as ‘litigation’ or ‘infringement.’” Hewlett-Packard Co. v. Acceleron LLC, 587 F.3d 1358, 1362 (Fed. Cir. 2009).

    CAS argues that “it has never threatened to sue Red Hat for patent infringement or demanded it take a license, and so it cannot establish … standing.” [D.E. 15] 10 (emphasis in original); see [D.E. 16] ¶11. Nonsense. CAS sent Red Hat an unsolicited letter asserting that CAS's DeLangis Portfolio covers the MPTCP and that Red Hat “may already be using the MPTCP protocol.” [D.E. 1-10] 2. Moreover, CAS highlighted a recent settlement, provided a case number, and asked Red Hat to contact CAS “right away.” Id. By announcing ownership of the DeLangis Portfolio, asserting that Red Hat may be using technology covered by the DeLangis Portfolio, highlighting a recent example of CAS enforcing the DeLangis Portfolio, and requesting an immediate response, CAS's conduct “can be reasonably inferred as demonstrating intent to enforce a patent.” Hewlett-Packard, 587 F.3d at 1363.

    CAS's subsequent communications with Red Hat bolster this conclusion. In its June 18, 2024 email to Red Hat, CAS stated that it “believe[s] that [its] patent assertions against Red Hat have merit” and explicitly declined to withdraw “any paetnt [sic] assertions.” [D.E. 22-1] 2. Moreover, CAS attached three claim charts and a proposed nondisclosure agreement that contemplated the possibility of patent infringement litigation. See Compl. ¶¶47-48; [D.E. 22-1] 4; [D.E. 22-4] 2.

    Red Hat maintains that it need not license the DeLangis Portfolio for its products. See Compl. ¶¶103-37. Red Hat plausibly alleges a “substantial controversy … of sufficient immediacy and reality” to satisfy Article III. See, e.g., Sony, 497 F.3d at 1286; Hewlett-Packard, 587 F.3d at 1362; SanDisk, 480 F.3d at 1381.

    As for Red Hat's APAA claim, it arises from the same “nucleus of operative fact” as Red Hat's declaratory judgment claims. Royal Canin U.S.A., Inc. v. Wullschleger, 604 U.S. 22, 27 (2025); see, e.g., 28 U.S.C. §1367; United Mine Workers of Am. v. Gibbs, 383 U.S. 715, 725 (1966); ESAB Grp., Inc. v. Zurich Ins. PLC, 685 F.3d 376, 394 (4th Cir. 2012); Shanaghan v. Cahill, 58 F.3d 106, 110 (4th Cir. 1995); Karanik v. Cape Fear Acad., Inc., 608 F. Supp. 3d 268, 289 (E.D.N.C. 2022). The court has original jurisdiction over Red Hat's declaratory judgment claims. See, e.g., 28 U.S.C. §1338(a); Prasco, 537 F.3d at 1335 n.3; D2L Ltd. v. Blackboard, Inc., 671 F. Supp. 2d 768, 775 (D. Md. 2009). And the court has supplemental jurisdiction over Red Hat's APAA claim. Royal Canin, 604 U.S. at 27; Gibbs, 383 U.S. at 725; ESAB 685 F.3d at 394; Cahill, 58 F.3d at 110; Karanik, 608 F. Supp. 3d at 289. Thus, the court has subject-matter jurisdiction over Red Hat's claims.

    IV.

    CAS moves to dismiss Red Hat's APAA claim for failure to state a claim. See [D.E. 15] 15-17; Fed. R. Civ. P. 12(b)(6). “While the Federal Circuit has exclusive jurisdiction over appeals involving patent issues, application of Federal Rule of Civil Procedure 12(b)(6) in patent cases is a procedural question governed by the law of the regional circuit.” NAPCO, Inc. v. Landmark Tech. A. LLC, 555 F. Supp. 3d 189, 201 (M.D.N.C. 2021); see, e.g., McZeal v. Sprint Nextel Corp., 501 F.3d 1354, 1356 (Fed. Cir. 2007); Polymer Indus. Prods. Co. v. Bridgestone/Firestone, Inc., 347 F.3d 935, 937 (Fed. Cir. 2003). Thus, the court applies Fourth Circuit procedural law.

    A motion to dismiss under Rule 12(b)(6) tests the complaint's legal and factual sufficiency. See Ashcroft v. Iqbal, 556 U.S. 662, 677-80 (2009); Bell Atl. Corp. v. Twombly, 550 U.S. 544, 554-63 (2007); Coleman v. Md. Ct. of Appeals, 626 F.3d 187, 190 (4th Cir. 2010), aff'd, 566 U.S. 30 (2012); Giarratano v. Johnson, 521 F.3d 298, 302 (4th Cir. 2008). To withstand a Rule 12(b)(6) motion, a pleading “must contain sufficient factual matter, accepted as true, to state a claim to relief that is plausible on its face.” Iqbal, 556 U.S. at 678 (quotation omitted); see Twombly, 550 U.S. at 570; Giarratano, 521 F.3d at 302. In considering the motion, the court must construe the facts and reasonable inferences “in the light most favorable to [the nonmoving party].” Massey v. Ojaniit, 759 F.3d 343, 352 (4th Cir. 2014) (quotation omitted); see Clatterbuck v. City of Charlottesville, 708 F.3d 549, 557 (4th Cir. 2013), abrogated on other grounds by Reed v. Town of Gilbert, 576 U.S. 155 (2015). A court need not accept as true a complaint's legal conclusions, “unwarranted inferences, unreasonable conclusions, or arguments.” Giarratano, 521 F.3d at 302 (quotation omitted); see Iqbal, 556 U.S. at 678-79. Rather, a plaintiff's factual allegations must “nudge[] [its] claims,” Twombly, 550 U.S. at 570, beyond the realm of “mere possibility” into “plausibility.” Iqbal, 556 U.S. at 678-79.

    “Determining whether a complaint states a plausible claim for relief … [is] a context specific task that requires the reviewing court to draw on judicial experience and common sense.” Iqbal, 556 U.S. at 679. “[W]here the well-pleaded facts do not permit the court to infer more than the mere possibility of misconduct,” the complaint does not suffice. Id.

    When evaluating a motion to dismiss, a court considers the pleadings and any materials “attached or incorporated into the complaint.” E.I. du Pont de Nemours & Co. v. Kolon Indus., Inc., 637 F.3d 435, 448 (4th Cir. 2011); see Fed. R. Civ. P. 10(c); Goines v. Valley Cmty. Servs. Bd., 822 F.3d 159, 165-66 (4th Cir. 2016); Thompson v. Greene, 427 F.3d 263, 268 (4th Cir. 2005). A court also may consider a document submitted by a moving party if it is “integral to the complaint and there is no dispute about the document's authenticity” without converting the motion into one for summary judgment. Goines, 822 F.3d at 166. “[I]n the event of conflict between the bare allegations of the complaint and any exhibit attached …, the exhibit prevails.” Id. (quotation omitted); see Fayetteville Invs. v. Com. Builders, Inc., 936 F.2d 1462, 1465 (4th Cir. 1991). Additionally, a court may take judicial notice of public records. See, e.g., Fed. R. Evid. 201; Tellabs, Inc. v. Makor Issues & Rts. Ltd., 551U.S. 308, 322 (2007); Phillips v. Pitt Cnty. Mem'l Hosp., 572 F.3d 176, 180 (4th Cir. 2009).

    As for Red Hat's APAA claim, the court “must predict how the Supreme Court of North Carolina would rule on any disputed state-law issue.” Soto v. Town of Rolesville, 729 F. Supp. 3d 533, 543 (E.D.N.C. 2024); see Twin City Fire Ins. v. Ben Arnold-Sunbelt Beverage Co., 433 F.3d 365, 369 (4th Cir. 2005). In doing so, the court first looks to opinions of the Supreme Court of North Carolina. See Stahle v. CTS Corp., 817 F.3d 96, 100 (4th Cir. 2016). If there are no governing opinions from that court, this court may consider the opinions of the North Carolina Court of Appeals, treatises, and “the practices of other states.” Twin City Fire Ins., 433 F.3d at 369 (quotation and citation omitted). In predicting how the highest court of a state would address an issue, this court must “follow the decision of an intermediate state appellate court unless there is persuasive data that the highest court would decide differently.” Town of Nags Head v. Toloczko, 728 F.3d 391, 398 (4th Cir. 2013) (quotation omitted); see Hicks ex rel. Feiock v. Feiock, 485 U.S. 624, 630 & n.8 (1988). Moreover, in predicting how the highest court of a state would address an issue, the court “should not create or expand a [s]tate's public policy.” Time Warner Ent.-Advance/Newhouse P'ship v. Carteret-Craven Elec. Membership Corp., 506 F.3d 304, 314 (4th Cir. 2007) (alteration and quotation omitted); see Day & Zimmermann, Inc. v. Challoner, 423 U.S. 3, 4 (1975) (per curiam); Wade v. Danek Med., Inc., 182 F.3d 281, 286 (4th Cir. 1999).

    Until 2021, no court had construed the APAA. See NAPCO 555 F. Supp. 3d at 199. In the intervening four years, only two courts have addressed the merits of an APAA claim. See Eco Fiber Inc. v. Vance, No. 3:24-CV-465, 2024 WL 3092773, at *2–4 (W.D.N.C. June 21, 2024) (unpublished), appeal dismissed, No. 2024-2180, 2025 WL 1078790 (Fed. Cir. Apr. 10, 2025) (unpublished); Schaefer Sys., 2023 WL 4055712, at *6-7.

    The court begins with the APAA's text. Under the APAA, it is “unlawful for a person to make a bad-faith assertion of patent infringement.” N.C. Gen. Stat. §75-143(a). To state a claim under the APAA, a plaintiff must plausibly allege “both objective and subjective bad faith.” NAPCO, 555 F. Supp. 3d at 212. Objective bad faith is coextensive with the Federal Circuit's “objectively baseless” standard. See id. at 211-12. Thus, objective bad faith exists when “no reasonable litigant could realistically expect success on the merits.” Lite-Netics, LLC v. Nu Tsai Cap. LLC, 60 F.4th 1335, 1343 (Fed. Cir. 2023); see, e.g., Globetrotter Software, Inc. v. Elan Comput. Grp., Inc., 362 F.3d 1367, 1376 (Fed. Cir. 2004); NAPCO 555 F. Supp. 3d at 212. As for subjective bad faith, “actual knowledge of baselessness is not required.” Octane Fitness, LLC v. ICON Health & Fitness, Inc., 572 U.S. 545, 551 n.4 (2014) (quotation omitted). The APAA provides several non-exclusive factors the court may consider in determining whether a litigant subjectively acted in bad faith. See N.C. Gen. Stat. §§75-143(a), (b); NAPCO 555 F. Supp. 3d at 211-12. Section (1) lists twelve non-exhaustive factors that a court may consider “as evidence that a person has made a bad-faith assertion of patent infringement.” Id. at §75-143(a). In contrast, section (b) lists seven non-exhaustive factors that a court may consider “as evidence that a person has not made a bad-faith assertion of patent infringement.” Id. at §75-143(b).

    Taken together, these factors concern (1) whether a party's demand letter fails to contain certain information and factual allegations, (2) whether a party, if requested, provides that information in a reasonable time, (3) whether a party failed to conduct an analysis comparing the claims in the asserted patent against the target product, (4) whether a party demands a fee or response within an unreasonably short period of time, (5) whether a party has actual or constructive knowledge that their assertion is meritless, (6) whether a party has sent substantially the same demand to multiple targets covering a wide variety of products without reflecting those differences in its demands, (7) whether a party has substantially invested in the use or production of the technology covered by the asserted patent, (8) whether a party is the patent's inventor or a higher-education entity, and (9) whether the party has a history of good-faith or successful patent enforcement. See id. at §§75-143(a)—(b); NAPCO, 555 F. Supp. 3d at 210.

    Red Hat plausibly alleges objective bad faith. See Compl. ¶¶29-56, 67-101; [D.E. 1-10] 2; [D.E. 22-1] 2-4; Lite-Netics, 60 F.4th at 1343; Globetrotter, 362 F.3d at 1376; NAPCO, 555 F. Supp. 3d at 212-14. As for subjective bad faith, the court has considered the APAA factors. See id. at §§75-143(a)—(b). Red Hat plausibly alleges subjective bad faith. See Compl. ¶¶29-56, 67-101; [D.E. 1-10] 2; [D.E. 22-1] 2-4. Thus, Red Hat plausibly alleges its APAA claim. See NAPCO, 555 F. Supp. 3d 189, 212-14; Schaefer Sys, 2023 WL 4055712, at *6-7; cf. Eco Fiber, 2024 WL 3092773, at *2-4. Whether Red Hat's APAA claim will survive summary judgment is a question for another day. cf. Golan v. Pingel Enter., Inc., 310 F.3d 1360, 1371-73 (Fed. Cir. 2002) (affirming summary judgment against a party bringing a bad faith patent assertion claim). Thus, the court declines to dismiss Red Hat's APAA claim.

    V.

    In sum, the court DENIES defendant's motion to dismiss plaintiff's complaint [D.E. 14].

    SO ORDERED.

    Footnotes

    1

    Red Hat does not contend that the court has general personal jurisdiction over CAS. See [D.E. 22] 12-19.

    2

    The APAA includes a special jurisdictional provision for recipients of alleged bad faith assertion letters. See N.C. Gen. Stat. §75-145(e). Red Hat qualifies under this provision. See Schaefer Sys. Int'l, Inc. v. Aloft Media, LLC, No. 322-CV-513, 2023 WL 4055712, at *4-6 (W.D.N.C. June 16, 2023) (unpublished). Section 75-145(e) also states, “[t]his Article shall be construed as a special jurisdiction statute in accordance with [North Carolina's long-arm statute]. Id. (citing N.C. Gen. Stat. §1-75.4(2)). Thus, the court construes the APAA according to North Carolina's long-arm statute.

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