Go to Wolters Kluwer VitalLaw.comGo to Wolters Kluwer VitalLaw.com
VitalLaw®
  • Find answers to your questions
  • Log in to access your subscriptions
In depth. On point.
In depth. On point.
  • Home
  • Legal Directory
  • Home
  • Legal Directory
In depth. On point.
  • Articles
    • Articles
  • Law Firms
    • Law Firms
  • Organizations
    • Organizations
    • PATENT NEWS: Senate Judiciary Committee hears varying opinions on patent-eligibility rules
    • COPYRIGHT—S.D.N.Y.: Claims over sharing of financial publications time-barred; identity-based accrual argument rejected
    • COPYRIGHT—W.D. Va.: Designers beware: Register your building designs as architectural works
    • EXPERT INSIGHTS—Reconstructing prior art with software: A CNIPA top-ten invalidation case on parameter-defined optical patents
    • TRADE SECRETS—D. Me.: Industrial gas supplier secures preliminary injunction enforcing confidentiality, non-solicitation covenants
    • TRADEMARK—TTAB: 'Eggbar' restaurant trademark application is ‘merely descriptive,‘ TTAB finds
  • Articles
    • Articles
  • Law Firms
    • Law Firms
  • Organizations
    • Organizations

    IP Law Daily, EXPERT INSIGHTS—Reconstructing prior art with software: A CNIPA top-ten invalidation case on parameter-defined optical patents, (Jul 16, 2026)

    By Gordon Gao, Gary Song, and Wayne Wong of King & Wood

    King & Wood recently represented an optical products company in a series of successful patent invalidation proceedings involving optical imaging system patents. One of those victories—CNIPA Invalidation Decision No. 581571 concerning Chinese i ...

    By Gordon Gao, Gary Song, and Wayne Wong of King & Wood

    King & Wood recently represented an optical products company in a series of successful patent invalidation proceedings involving optical imaging system patents. One of those victories—CNIPA Invalidation Decision No. 581571 concerning Chinese invention patent No. ZL20161009, entitled “Optical Imaging System”—resulted in the complete invalidation of the patent and was later selected by the China National Intellectual Property Administration (“CNIPA”) as one of its 2025 Annual Typical Patent and Reexamination and Invalidation Cases.

    To read the entire article, click here.

    News: Patent IndustryNewsTrends

    © 2026 CCH Incorporated and its affiliates and licensors. All rights reserved.

    • Manage Cookie Preferences
    • Privacy Statement
    • Terms of Use