In CeramTech GmbH v. Coorstek Bioceramics LLCs, the Federal Circuit held that CeramTech's trademarks of the color pink for hip ceramic components were functional.

The Federal Circuit, in SIGRAY, INC. V. CARL ZEISS X-RAY MICROSCOPY, INC., 137 F.4th 1372 (Fed. Cir. May 23, 2025), reversed the PTAB's anticipation holding and remanded the PTAB's obviousness decision.

The Federal Circuit, in HD Silicon Solutions LLC v. Microchip Technology, Inc., No. 2023-1397 (Fed. Cir. Feb. 6, 2025), reiterated that extrinsic evidence may be used only to assist in the proper understanding...

In this case, the Federal Circuit held that, depending on context such as prosecution history, amending patent claims to use the transitional phrase...

In Rex Medical, LP v. Intuitive Surgical, Inc., Nos. 2024-1072, 2024-1125 (Fed. Cir. Oct. 2, 2025), the Federal Circuit held that the district court did not abuse its discretion...

The Federal Circuit summarily affirmed a district court's invalidation of a wearable heart-rate monitor patent under Section 101, finding the claims directed to abstract mental processes of gathering information and performing calculations. Despite arguments about evidentiary support, the appellate court upheld the determination that the patent's unconventional ordering of steps failed to supply the inventive concept necessary for patent eligibility.

In Mondis Technology Ltd. et al. v. LG Electronics Inc. et al., Nos. 2023-2117, 2023-2116 (Fed. Cir. Aug. 8, 2025), the Federal Circuit held that there is no presumption that claim amendments made during prosecution that result in allowance are supported by adequate written description.

In a patent dispute between Optis Cellular Technology and Apple Inc., the Federal Circuit vacated a $300 million jury verdict in favor of Optis...

The Federal Circuit, in Pfizer, Inc. v. Ranbaxy Laboratories Ltd., 457 F.3d 1284 (Fed. Cir. August. 2, 2006), reversed the District Court holding that claim 6 directed...

The Federal Circuit, in In re Riggs, Case No. 2022-1945 (Fed. Cir. Mar. 24, 2025), clarified the test for when a reference qualifies as prior art under pre-AIA 35 U.S.C. §102(e).

In Adnexus, Inc. v. Meta Platforms, Inc., No. 2024-1551 (Fed. Cir. Dec. 5, 2025), the Federal Circuit held that the district court erred in dismissing Adnexus's patent infringement claims against Meta...

The Federal Circuit examined whether a patent claim requiring return information to be initiated "without assistance by a user" excludes scenarios where users establish internet connections. The court's interpretation of this claim language and its analysis of the specification and prosecution history determined the validity of patents covering technology for recovering lost or stolen computers.

The Patent Trial and Appeal Board has reaffirmed the Broad Institute's priority over the University of California in a high-stakes patent interference dispute involving CRISPR-Cas9 technology for eukaryotic cells. Following a Federal Circuit remand, the Board applied first-to-invent principles to determine which party successfully demonstrated conception and reduction to practice of this groundbreaking gene-editing system.

In Barrette Outdoor Living, Inc. v. Fortress Iron, LP, Fortress Fence Products LLC (Fed. Cir. October 17, 2025), the Federal Circuit held that additional claim limitations may be applied...

In an important decision, Recentive Analytics, Inc. v. Fox Corp., et al., No. 2023-2437 (Fed. Cir. Apr. 18, 2025), the Federal Circuit held that "patents that do no more than claim the application...

In Wonderland Switzerland AG v. Evenflo Company, Inc., No. 2023-2043 (Fed. Cir. 2025), the Federal Circuit affirmed that the district court properly construed disputed claim terms of patents at issue based on the use...

Copyright law dictates a piece of work must be "fixed in a tangible medium" to be awarded ownership rights, even if that medium is a living, breathing, and constantly moving being.

In Netflix, Inc. v. DIVX, LLC, No. 2024-1541 (Fed. Circ. 2026), the Federal Circuit clarified how to interpret ambiguous claim language involving modifiers.

The National Hockey League's newest team is competing under the name Utah Hockey Club during its inaugural season while the organization and its fans decide the team's official nickname.

The Federal Circuit examined whether the term "about" in a patent claim creates indefiniteness when the intrinsic evidence provides inconsistent guidance on permissible deviations from a specified pH range. The court analyzed working examples showing varying tolerances and prosecution history revealing contradictory treatment of the term, ultimately determining whether a skilled artisan could understand the claim scope with reasonable certainty.