Patent Validity Cases

Explore 13 court opinions on Patent Validity. AI-powered plain English summaries, key holdings, and legal analysis.

13 recent cases analyzed in this topic area.

Courts Deciding Patent Validity Cases

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Recent Patent Validity Opinions (13)

Magnolia Medical Technologies, Inc. v. Kurin, Inc.

Appeals Court Affirms Non-Infringement but Reverses Obviousness Ruling for Blood Diversion Patent

cafc · 2026-03-06 · Mixed · Impact: 65/100

This case involves a patent dispute between Magnolia Medical Technologies, Inc. (Magnolia) and Kurin, Inc. (Kurin) concerning devices designed to divert initial blood flow during venipuncture to preve...

Global Tubing LLC v. Tenaris Coiled Tubes LLC

Appeals Court Affirms Non-Infringement but Reverses Patent Invalidity Finding in Tubing Dispute

cafc · 2026-02-26 · Mixed · Impact: 45/100

This case involves a patent dispute between Global Tubing LLC and Tenaris Coiled Tubes LLC concerning technology used in coiled tubing, specifically related to methods for manufacturing and inspecting...

Jeffrey Thelen v. Somatics, LLC

Inventor barred by assignor estoppel from suing assignee for patent infringement

ca11 · 2025-09-29 · Defendant Win · Impact: 30/100

Jeffrey Thelen v. Somatics, LLC, decided by Eleventh Circuit on September 29, 2025, resulted in a defendant win outcome. The Eleventh Circuit affirmed the district court's grant of summary judgment to...

Bayer Pharma Aktiengesellschaft v. Mylan Pharmaceuticals Inc.

Federal Circuit Affirms Patent Invalidity for Erectile Dysfunction Drug

cafc · 2025-09-23 · Defendant Win · Impact: 30/100

Bayer Pharma Aktiengesellschaft v. Mylan Pharmaceuticals Inc., decided by Federal Circuit on September 23, 2025, resulted in a defendant win outcome. The core dispute involved the validity of a patent...

Shockwave Medical, Inc. v. Cardiovascular Systems, Inc.

CAFC Affirms Denial of Preliminary Injunction in Patent Case

cafc · 2025-07-14 · Defendant Win · Impact: 25/100

Shockwave Medical, Inc. v. Cardiovascular Systems, Inc., decided by Federal Circuit on July 14, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the district court's denial of a...

Vivos Therapeutics. v. Ortho-Tain

Patent invalid for obviousness, claims dismissed

ca10 · 2025-07-08 · Defendant Win · Impact: 20/100

Vivos Therapeutics. v. Ortho-Tain, decided by Tenth Circuit on July 8, 2025, resulted in a defendant win outcome. The Tenth Circuit affirmed the district court's dismissal of Vivos Therapeutics' claim...

Sigray, Inc. v. Carl Zeiss X-Ray Microscopy, Inc.

Federal Circuit Affirms Non-Infringement Finding in X-Ray Microscopy Patent Case

cafc · 2025-05-23 · Defendant Win · Impact: 15/100

Sigray, Inc. v. Carl Zeiss X-Ray Microscopy, Inc., decided by Federal Circuit on May 23, 2025, resulted in a defendant win outcome. The case concerns a patent dispute over a "method for inspecting a s...

Republic Technologies

Patent Infringement Claim Fails on Claim Construction and Infringement Analysis

ca7 · 2025-04-28 · Defendant Win · Impact: 25/100

Republic Technologies, decided by Seventh Circuit on April 28, 2025, resulted in a defendant win outcome. The Seventh Circuit affirmed the district court's grant of summary judgment to the defendant, ...

Republic Technologies

7th Cir. Affirms Summary Judgment in Patent Infringement Case

ca7 · 2025-04-25 · Defendant Win · Impact: 25/100

Republic Technologies, decided by Seventh Circuit on April 25, 2025, resulted in a defendant win outcome. The Seventh Circuit affirmed the district court's grant of summary judgment to the defendant, ...

Sdvf, LLC v. Cozzia USA LLC

Ninth Circuit Affirms Summary Judgment in Patent Infringement Case

ca9 · 2025-03-26 · Defendant Win · Impact: 15/100

Sdvf, LLC v. Cozzia USA LLC, decided by Ninth Circuit on March 26, 2025, resulted in a defendant win outcome. The Ninth Circuit affirmed the district court's grant of summary judgment to Cozzia USA LL...

In Re XENCOR, INC.

Federal Circuit Affirms PTAB's Non-Obviousness Finding for Xencor Patent

cafc · 2025-03-13 · Defendant Win · Impact: 20/100

In Re XENCOR, INC., decided by Federal Circuit on March 13, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the Patent Trial and Appeal Board's (PTAB) decision that claims of X...

Technology Licensing Corp. v. Videotek

Federal Circuit Affirms Non-Infringement of Video Monitoring Patent

cafc · 2025-03-10 · Defendant Win · Impact: 25/100

Technology Licensing Corp. v. Videotek, decided by Federal Circuit on March 10, 2025, resulted in a defendant win outcome. The core dispute centered on whether Videotek's "SmartView" product infringed...

Sierra Wireless, Ulc v. Sisvel S.P.A.

Federal Circuit Affirms Denial of Preliminary Injunction in Patent Case

cafc · 2025-03-10 · Defendant Win · Impact: 25/100

Sierra Wireless, Ulc v. Sisvel S.P.A., decided by Federal Circuit on March 10, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the district court's denial of a preliminary inju...

Patent Validity by Court

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