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Patent Validity

197 published works

  1. Duane Morris Green IP

    Thunder Power EV Patents Affirmed as Invalid by Federal Circuit

    By Justus Getty

    U.S Court of Appeals for the Federal Circuit has refused to rehear a decision invalidating three EV patents owned by Hong Kong-based Thunder Power New Energy Vehicle Development Co., Ltd.…

  2. IP Update

    Inherent Claim Limitation Necessarily Present in the Prior Art Invalidates Patent

    By Mandy H. Kim

    Addressing the issue of obviousness, the US Court of Appeals for the Federal Circuit affirmed the district court’s finding that a patent was invalid based on inherency because the claim…

  3. The IP Law Blog

    Is a Copyright Notice Sufficient Evidence a Textbook Is a Printed Publication for Institution of Inter Partes Review?

    By Jo Dale Carothers

    To use a textbook or other reference to challenge the validity of a patent in a petition for inter partes review (“IPR”), the textbook must have been “publicly accessible” prior…

  4. China Law Insight

    浅析化学专利中的支持性判断

    By King & Wood

    2019年11月1日,国家知识产权局作出第42127号和42128号无效宣告请求审查决定,维持第96196505.3号专利有效。

  5. PostGrant-Counsel Blog

    Did You Know About Supplemental Examination?

    By John Isacson

    The America Invents Act (AIA) ushered in an era of Patent Office trials to adjudicate the validity of issued patents. The AIA, however, created an additional, lesser used, avenue to…

  6. PTABWatch

    Fixing an Appointments Clause Violation

    By Sandip H. Patel

    In Arthrex Inc. v. Smith & Nephew, Inc., Appeal 2018-2140 (Fed. Cir. Oct. 31, 2019), the Federal Circuit concluded that the PTAB’s Administrative Patent Judges (APJs) are “principal” officers and…

  7. Supreme Court Update

    MedImmune, Inc. v. Genentech, Inc. (05-608), Norfolk Southern Railway Co. v. Sorrell (05-746) and order list

    By Wiggin and Dana

    Greetings, Court Fans, and Happy New Year!   After being away for almost a month, the Court was busy this week, issuing four new opinions and granting cert in seven…

  8. AIA Blog

    IPR Estoppel Does Not Apply to Physical Products Described in Printed Publications Available During IPR

    By Michelle Yongyuan Rice

    In Polaris Indus., Inc. v. Arctic Cat Inc., the court (District of Minnesota) held that defendant was not estopped under § 315(e)(2) from asserting three invalidity combinations involving physical vehicles,…

  9. Game Counsel

    “Addressing Video Game Claims Under the Phillips Standard at the PTAB”

    By Harper Batts, Chris Ponder

    Last fall, the PTAB modified its procedures for IPR claim construction, eliminating the use of the broadest reasonable interpretation standard. Since the rule change last year, companies challenging the validity…

  10. PTABWatch

    Federal Circuit Addresses Constitutional Issue Supreme Court Left Open

    By Sandip H. Patel

    In consolidated appeals of a trio of Board decisions canceling pre-AIA patents in inter partes reviews (IPR), the Federal Circuit held “that the retroactive application of IPR proceedings to pre-AIA…