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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)
    • 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)
    • 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)
    • VDPP, LLC, Plaintiff-Appellant v. VOLKSWAGEN GROUP OF AMERICA, INC., Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Aug. 19, 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)
    • 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)
    • 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)
    • 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)
    • 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)
    • 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)
    • 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)
    • 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., 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)
    • 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)
    • 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)
    • 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)
    • OTSUKA AMERICA PHARMACEUTICAL, INC., AVANIR PHARMACEUTICALS, LLC, FKA AVANIR PHARMACEUTICALS INC., Plaintiffs-Appellees v. HETERO LABS LIMITED, HETERO LABS LIMITED UNIT-III, CAMBER PHARMACEUTICALS INC., Defendants-Appellants, U.S. Court of Appeals, Federal Circuit, (Jul. 1, 2026)
    • ORTIZ & ASSOCIATES CONSULTING, LLC, Plaintiff-Appellant v. VIZIO, INC., Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Dec. 17, 2025)
    • ORION LABS TECH, LLC, Plaintiff, v. TALKDESK, INC., Defendant., U.S. District Court, N.D. California, (Apr. 30, 2026)
    • ORANGE ELECTRONIC CO. LTD., Plaintiff-Appellant v. AUTEL INTELLIGENT TECHNOLOGY CORP., LTD., Defendant-Cross-Appellant, U.S. Court of Appeals, Federal Circuit, (Jan. 23, 2026)
    • ONEPASS DATA TECHNOLOGY LLC, Plaintiff, v. VERIZON COMMUNICATIONS INC. AND CELLCO PARTNERSHIP D/B/A VERIZON WIRELESS, Defendants., U.S. District Court, D. Delaware, (May 26, 2026)
    • ONEPASS DATA TECHNOLOGY LLC, Plaintiff, v. AT&T MOBILITY LLC AND AT&T SERVICES, INC., Defendants., U.S. District Court, D. Delaware, (May 26, 2026)
    • OLLNOVA TECHNOLOGIES LTD., Plaintiff-Appellant v. ECOBEE TECHNOLOGIES ULC, DBA ECOBEE, Defendant-Cross-Appellant, U.S. Court of Appeals, Federal Circuit, (Jun. 4, 2026)
    • OASIS TOOLING, INC., Plaintiff-Appellant v. SIEMENS INDUSTRY SOFTWARE INC., GLOBALFOUNDRIES U.S. INC., Defendants-Appellees, U.S. Court of Appeals, Federal Circuit, (Feb. 26, 2026)
    • NST Global, LLC, d/b/a SB Tactical v. SIG Sauer Inc., U.S. District Court, D. New Hampshire, (May 5, 2026)
    • NOVAPLAST CORPORATION, Plaintiff, v. INPLANT, LLC, et al., Defendants., U.S. District Court, D. New Jersey, (Dec. 15, 2025)
    • In re Entresto (Sacubitril/Valsartan) Patent Litigation, U.S. District Court, D. Delaware, (Jan. 21, 2026)
    • NORWICH PHARMACEUTICALS, INC., APPELLANT v. ROBERT F. KENNEDY, JR., IN HIS OFFICIAL CAPACITY AS SECRETARY OF HEALTH AND HUMAN SERVICES, ET AL., APPELLEES, U.S. Court of Appeals, District of Columbia Circuit, (Jun. 26, 2026)
    • NORMA U.S. HOLDING LLC, Plaintiff, v. XINGTAI JINWO COMMERCIAL TRADING CO., LTD., Defendant., U.S. District Court, E.D. Michigan, (May 5, 2026)
    • NOKIA TECHNOLOGIES OY, Plaintiff, v. WARNER BROS. ENTERTAINMENT INC., WARNER BROS DISCOVERY, INC., and HOME BOX OFFICE, INC., Defendants., U.S. District Court, D. Delaware, (Mar. 5, 2026)
    • NIMBELINK CORP., Plaintiff-Appellant v. DIGI INTERNATIONAL INC., Defendant-Appellee, U.S. Court of Appeals, Federal Circuit, (Feb. 23, 2026)
    • NIKE, INC., Appellant v. LULULEMON ATHLETICA CANADA INC., LULULEMON USA INC., Appellees, U.S. Court of Appeals, Federal Circuit, (Aug. 5, 2026)
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  • Articles
  • Articles

    Patent Cases, In re: AMPEREX TECHNOLOGY LIMITED, Petitioner, U.S. Court of Appeals, Federal Circuit, (Jan. 14, 2022)

    In re: AMPEREX TECHNOLOGY LIMITED, Petitioner

    U.S. Court of Appeals, Federal Circuit. 2022-105. January 14, 2022.

    Note: This order is nonprecedential.

    ON PETITION

    On Petition for Writ of Mandamus to the United States District Court for the District of New Jersey in No. 2:21-cv-08461-KM-ESK, Judge Kevin McNulty.

    Before LOURIE, PROST, and TARANTO, Circuit Judges.

    Peter R. Marksteiner, District Judge

    Per Curiam.

    ORDER

    Amperex Technology Limited (“ATL”) seeks mandamus relief from the September 27, 2021 order of the United States District Court for the District of New Jersey transferring its complaint to the United States District Court for the Western District of Texas. We deny ATL's petition.

    Background

    Maxell, Ltd. and Maxell Holdings, Ltd. (collectively, “Maxell”) [1] own the patents-at-issue in this case. Effective March 26, 2020, Maxell entered into a non-disclosure agreement with ATL for purposes of discussing a license to Maxell's lithiumion battery patent portfolio. Relevant here, that agreement included a “litigation standstill” clause, in which the parties agreed not to initiate any legal actions against each other for one year.

    Just as the one-year period was ending with no agreement having been reached, Maxell sent a letter to ATL, stating that it remained “willing to resolve this matter amicably and to grant ATL a license” but if “Maxell and ATL are not able to enter into a licensing agreement by Friday, April 9, 2021, Maxell will be left with no choice but to pursue litigation.” Appx0002. After discussions between Maxell's and ATL's counsel, Maxell wrote to ATL on April 5, 2021 by email that it was open to having another meeting and requested that ATL “provide the materials ATL planned to present.” Appx0003.

    The evening of the next day, April 6, 2021, ATL sent an email to Maxell, stating that it would “be in touch as soon as [it] can get the materials.” Id. A few hours later on the same day, ATL brought the present action in the District of New Jersey seeking a declaratory judgment of noninfringement of Maxell's patents. Two days later, on April 8, 2021, Maxell sued ATL in the Western District of Texas, accusing the same products identified in the declaratory judgment complaint of infringing the same patents.

    Maxell moved the New Jersey court either to decline jurisdiction over ATL's declaratory judgment action or to transfer ATL's action to the Western District of Texas pursuant to 28 U.S.C. §1404(a). Maxell's motion principally argued that ATL had brought its action in New Jersey in bad faith and in anticipation of Maxell's action. Maxell invoked considerations relevant to departing from the first-to-file rule as well as the usual §1404(a) factors.

    On September 27, 2021, the New Jersey district court granted Maxell's transfer request. The court recognized that proceeding with a mirror image first-filed declaratory action is generally preferred over a second-filed patent infringement action, but the court concluded that “considerations of judicial and litigant economy, and the just and effective disposition of disputes require that I depart from the first-to-file rule.” Appx0014 (internal quotation marks and citation omitted). The court rested that determination in part on its finding that Maxell's action was filed upon “receipt of specific, concrete indications” that a patent infringement suit by Maxell was “imminent.” Appx0010 (internal quotation marks and citation omitted).

    Based on its first-to-file analysis, the district court determined that there would be a sufficient basis to decline declaratory judgment jurisdiction. Nonetheless, the court chose not to dismiss the complaint, concluding that “it is in the best interests of justice to transfer this case to the Western District of Texas[.]” Appx0016. The court reasoned that ATL's choice of forum was not entitled to significant weight, not only because it was anticipatory, but also because both parties were foreign corporations and New Jersey had no particular connection to the infringement claims. The court added that “the Texas case has already advanced farther than this case and thus will likely be resolved more expeditiously.” Id. This petition followed.

    Discussion

    The legal standard for mandamus is demanding. ATL must show, among other things, that it has a clear and indisputable legal right to the relief it seeks. See Cheney v. U.S. Dist. Ct. for D.C., 542 U.S. 367, 380–81 (2004). We review transfer determinations under applicable regional circuit law, here the law of the Third Circuit. In re TS Tech USA Corp., 551 F.3d 1315, 1319 (Fed. Cir. 2008). In the Third Circuit, transfer involving the first-to-file rule, if reviewed on appeal after a final judgment, is a matter of discretion. See Chavez v. Dole Food Co., Inc., 836 F.3d 205, 210 (3d Cir. 2016). On mandamus, we ask whether the transfer ruling was a clear abuse of discretion. See In re Link_A_Media Devices Corp., 662 F.3d 1221, 1222 (Fed. Cir. 2011); see also Sunbelt Corp. v. Noble, Denton & Assocs., Inc., 5 F.3d 28, 30 (3d Cir. 1993); Swindell–Dressler Corp. v. Dumbauld, 308 F.2d 267, 272 (3d Cir. 1962). ATL has not made such a showing in this case.

    ATL has not shown a right under the first-to-file rule to prevent transfer of this case. In cases cited by ATL itself, we have recognized that the first-to-file rule is not absolute, that a declaratory judgment action in particular may even be dismissed though filed first, and that a “court may consider whether a party intended to preempt another's infringement suit when ruling on the dismissal of a declaratory action.” Elecs. for Imaging, Inc. v. Coyle, 394 F.3d 1341, 1347–48 (Fed. Cir. 2005) (citing Serco Servs. Co., L.P. v. Kelley Co., Inc., 51 F.3d 1037, 1040 (Fed. Cir. 1995)). That approach accords with conclusions reached by us in transfer cases, see In re XConnect, LLC, No. 2021-192, 2021 WL 5230758, at *2 (Fed. Cir. Nov. 10, 2021), and by the Third Circuit in discussing the first-to-file rule and possible courses of action (including transfer or enjoining concurrent litigation) upon determining whether the rule should be applied, see EEOC v. Univ. of Pa., 850 F.2d 969, 971–72 (3d Cir. 1988) (holding that the court did not abuse its discretion by declining to dismiss the second-filed suit when the timing of the first suit indicated an attempt to preempt the imminent second suit); Chavez, 836 F.3d at 210, 216–21. See also Katz v. Lear Siegler, Inc., 909 F.2d 1459, 1463 (Fed. Cir. 1990).

    Here, the district court made a reasonable finding that ATL's suit was anticipatory, given the sequence of communications briefly summarized above. And that finding does not stand alone. See Coyle, 394 F.3d at 1347–48. The court also found that other considerations added to the reasons to depart from the first-to-file rule here. In particular, the court found that ATL feigned cooperation and interfered with the ongoing negotiations, that no evidence, party, or witness is in New Jersey, that ATL had not effectively served Maxell in the New Jersey action while Maxell had effectively served ATL in the mirror-image Texas action, that the two actions could be consolidated, and that the Texas action was further along in resolving the dispute between the parties. ATL has not shown a clear right to relief from those determinations, which suffice to establish a plausible basis for the district court's decision here to depart from the first-to-rule rule.

    We also see no basis to disturb the district court's transfer ruling under section 1404(a). That conclusion has not been shown to be an abuse of discretion. ATL's petition limits its challenge to the district court's analysis of the convenience considerations under the first-to-file rule. ATL raised no issue about the district court's separate evaluation of the applicable transfer factors until its reply brief. “An issue that falls within the scope of the judgment appealed from but is not raised by the appellant in its opening brief on appeal” may properly be held forfeited. Engel Indus., Inc. v. Lockformer Co., 166 F.3d 1379, 1383 (Fed. Cir. 1999); see also In re Apple Inc., 979 F.3d 1332, 1337 (Fed. Cir. 2020) (applying rule to mandamus petitions). We so hold here.

    Accordingly,

    It Is Ordered That:

    ATL's mandamus petition is denied.

    Footnotes

    1

    The Maxell entities have since merged, and the sole respondent is now Maxell, Ltd.

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