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Federal Circuit Rejects Formalistic Shield to Prosecution History Estoppel

On July 18, 2025, the U.S. Court of Appeals for the Federal Circuit reversed a $106 million jury verdict in Colibri Heart Valve LLC v. Medtronic CoreValve, LLC, No. 2023-2153, finding that Colibri’s infringement claim under...more

Federal Circuit Enforces Gatekeeping Role in Patent Damages Testimony

On May 21, 2025, the United States Court of Appeals for the Federal Circuit, sitting en banc, reversed a $20 million damages award against Google LLC in a patent infringement dispute with EcoFactor, Inc. EcoFactor, Inc. v....more

Federal Circuit Issues First Word on AI Patent Eligibility

On April 18, 2025, the United States Court of Appeals for the Federal Circuit affirmed the dismissal of a patent infringement suit brought by Recentive Analytics, Inc. against Fox Corporation. See Recentive Analytics, Inc. v....more

Differing Burdens of Proof Limits Estoppel Effect of PTAB Final Written Decision

On February 10, 2025, the United States Court of Appeals for the Federal Circuit issued a decision in Kroy IP Holdings, LLC v. Groupon, Inc., reversing and remanding a district court ruling that had dismissed Kroy’s patent...more

Published but not Public? Federal Circuit Confirms Published Patent Applications Count as Prior Art from Filing Date in IPRs.

On January 14, 2025, the United States Court of Appeals for the Federal Circuit issued a precedential decision in Lynk Labs, Inc. v. Samsung Electronics Co., No. 23-2346 (Fed. Cir. Jan. 14, 2025), addressing whether a...more

Federal Circuit Weighs the Need for Claim Construction at the Rule 12 Stage

On October 18, 2024, the Federal Circuit issued its opinion in UTTO Inc. v. Metrotech Corp., No. 2023-1435, 2024 U.S. App. LEXIS 26340, (Fed. Cir. Oct. 18, 2024) addressing the propriety of conducting claim construction at...more

Generalized Testimony Falls Short in Doctrine of Equivalents Analysis

On October 24, 2024, the United States Court of Appeals for the Federal Circuit issued a ruling in Nexstep, Inc. v. Comcast Cable Communications, LLC, affirming the District Court for the District of Delaware’s judgment of...more

The Hidden Hurdles Of Section 101 Eligibility Determinations

On August 6, 2024, in Mobile Acuity Ltd. v Blippar Ltd., __F.4th__; 2024 U.S. App. LEXIS 17573* (Fed. Cir. Aug. 6, 2024), the Federal Circuit upheld the Rule 12 dismissal of Mobile Acuity’s patent infringement lawsuit against...more

Intrinsic Record Paramount In Rule 12 Eligibility Determinations

In the recent decision of Miller Mendel, Inc. v. City of Anna, Texas, 2024 U.S. App. LEXIS 17637 (Fed. Cir. July 18, 2024), the Federal Circuit upheld the district court’s grant of a motion for judgment on the pleadings under...more

Federal Circuit Revives Big Tech’s Fintiv Challenge

On March 13, 2023, in Apple, Inc., et al. v. Vidal, Case No. 2022-1249 (Fed. Cir. March 13, 2023), the Federal Circuit reversed and remanded a decision from the Northern District of California dismissing a lawsuit filed by...more

Some common outcomes when pursuing patent litigation

Patents protect intellectual property, but they are most effective when the holder is willing to defend them using litigation. It may involve jury trials, bench trials or even a subsequent appeal to the Circuit Court....more

If patent owners can’t mess with the Western District of Texas, then what next?

On July 25, 2022, Chief Judge Orlando Garcia of the Western District of Texas effectively stripped the Waco Division of its dominance in patent cases by randomizing the judge assignment of patent cases filed in that division....more

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