Federal Circuit Clarifies Pleading Requirements for Patent Cases and Affirms Grant of Summary Judgment of Invalidity under 35 U.S.C. §101 Federal Circuit Holds that Pendency of Motions Unrelated to Interlocutory Judgment Does Not Toll 30-Day Limit to File Notice of Appeal
- September 01, 2021Jeffrey S. Ginsberg and Abhishek Bapna
For the foreseeable future, patent applications involving artificial intelligence technologies will increase with the continued proliferation of such technologies. However, subject matter eligibility can be a significant challenge in securing patents on artificial intelligence and machine learning.
August 01, 2021James W. SoongNearly a century after endorsing the doctrine of assignor estoppel, the Court concluded that it applies "when, but only when, the assignor's claim of invalidity contradicts explicit or implicit representations he made in assigning the patent."
August 01, 2021John Bowler and Kristie ButlerThe Supreme Court is considering a petition in a §101 case, in which the Federal Circuit split six-to-six in denying rehearing en banc, and in which the Supreme Court recently called for the views of the Solicitor General.
August 01, 2021Eric Alan Stone and Catherine NyaradyFederal Circuit, Citing Forum-Shopping, Transfers Patent Cases to California
August 01, 2021Howard Shire and Shaleen PatelIn a decision authored by Chief Justice Roberts, the Supreme Court ruled that the statutory scheme appointing PTAB administrative patent judges (APJs) to adjudicate IPRs violates the appointments clause of the U.S. Constitution.
July 01, 2021Robert E. Browne, Jr. and Ryan C. DeckFederal Circuit Rejects Theory of Infringement Based on Oversimplified Claim Interpretation and Finds That the ITC Correctly Required Proof of Substantial Non-infringing Use Based on Real-World Evidence Federal Circuit Reverses District Court's Decision Dismissing a Declaratory Judgment Action for Lack of Personal Jurisdiction Because the Patent Owner Directed Extensive Communications to the Judicial District
July 01, 2021Jeff Ginsberg and Zhiqiang LiuCourts are increasingly excluding all evidence relating to post-grant proceedings before the PTAB, except when it is used for impeachment. This article reviews recent decisions on this issue from some of the nation's busiest patent districts.
June 01, 2021Richard S.J. Hung, Alex S. Yap and Stephen J.H. LiuFederal Circuit: The Doctrine of Equivalents Is Not a Binary Choice Federal Circuit: No Estoppel for Party That Joined IPR
May 01, 2021Jeffrey Ginsberg and Matthew Weiss




