This case[1] involves an appeal from Regeneron Pharmaceuticals, Inc.’s (Regeneron) efforts to prevent defendants from marketing biosimilar versions of EYLEA®, a drug used to treat eye diseases, by asserting patent infringement. In particular, the Federal Circuit addressed issues of personal jurisdiction, preliminary injunctions, and patent validity.Continue Reading Biopharmaceutical Patent Litigation: Regeneron’s Defense Against Biosimilar Launches

Mr. Storms, an individual with significant experience with Bitcoin mining, is the founder and sole employee of BearBox LLC. Mr. McNamara and Dr. Cline co-founded Lancium in November 2017 with the intention of co-locating flexible datacenters (e.g., Bitcoin miners) at wind centers to exploit the highly variable power output of windfarms.Continue Reading No Credit Where It Isn’t Due: The Importance of Preemption and Inventorship in Patent Law

Qualcomm Incorporated v. Apple Inc., No. 23-1208 (Fed. Cir. 2025)—On April 23, 2025, the Federal Circuit reversed the Patent Trial and Appeal Board’s finding that claims of Qualcomm’s U.S. Patent No. 8,063,674 (“the ’674 Patent”) are unpatentable as being obvious over the prior art.Continue Reading Federal Circuit Provides Clarity on Use of Applicant Admitted Prior Art (“AAPA”) in IPRs

In a significant development for patent litigants, the Federal Circuit in Ingenico Inc. v. IOENGINE, LLC, affirmed an important limitation on the scope of IPR estoppel under 35 U.S.C. § 315(e)(2). Specifically, the court held that estoppel stemming from inter partes reviews (IPR) applies only to grounds based on patents and printed publications—not to patents or printed publications evidencing other grounds that could not have been raised during the IPR.Continue Reading A Line in the Sand: Federal Circuit Bounds IPR Estoppel in Ingenico v. IOENGINE

The Federal Circuit vacated and remanded the district court’s summary judgement of noninfringement, finding that the lower court had improperly construed the claim term “pull cord.” The district court had erroneously limited the term to a directly pulled cord that lacks a handle. The Federal Circuit determined that these restrictions were unsupported by the intrinsic evidence and directed the district court to apply the correct claim construction in accordance with the Federal Circuit’s guidance and redetermine infringement using the correct claim construction.Continue Reading Federal Circuit Vacates Summary Judgement: Limitations from Specifications Should Not Have Been Imported Into the Claims

We are excited to present the second edition of Sheppard Mullin’s “Year in Review” report, which provides a comprehensive summary of the key precedential Federal Circuit decisions related to patent law in 2024. Building on the success of our inaugural report covering 2023, we continue our commitment to keeping you informed with detailed analyses.Continue Reading 2024 Federal Circuit Case Summaries