Explore 17 court opinions on Patentable Subject Matter. AI-powered plain English summaries, key holdings, and legal analysis.
17 recent cases analyzed in this topic area.
CAFC Affirms Patent Ineligibility of Medical Device Claims
International Medical Devices, Inc. v. Cornell, decided by Federal Circuit on April 17, 2026, resulted in a defendant win outcome. The case concerns the patentability of a medical device. The Federal ...
Federal Circuit: Method using non-nucleic acid probe not patentable
Cash v. Collins, decided by Federal Circuit on February 5, 2026, resulted in a defendant win outcome. The case concerns the patentability of a method for detecting and quantifying nucleic acids using ...
First Circuit: 'Operation' game doesn't infringe toy surgery kit patent
DeAngelis v. Hasbro, Inc., decided by First Circuit on January 29, 2026, resulted in a defendant win outcome. The First Circuit affirmed the district court's dismissal of a lawsuit alleging that Hasbr...
Federal Circuit: Method of treatment claim for medical device is patent-eligible
Young v. Collins, decided by Federal Circuit on January 13, 2026, resulted in a defendant win outcome. The case concerns the patentability of a "method of treatment" claim for a medical device. The Fe...
Method of treatment patent rejected for claiming natural phenomenon
Ablan v. United States, decided by Federal Circuit on December 22, 2025, resulted in a defendant win outcome. The case concerns the patentability of a "method for treating a disease by administering a...
Federal Circuit Affirms Patent Ineligibility of Genetic Diagnostic Method
Golden v. Collins, decided by Federal Circuit on December 12, 2025, resulted in a defendant win outcome. The case concerns the patentability of a diagnostic method for identifying a specific genetic m...
Federal Circuit Affirms No Patent Infringement by Goodyear
Coda Development S.R.O. v. Goodyear Tire & Rubber Company, decided by Federal Circuit on December 8, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the district court's grant ...
Settlement Agreement Unenforceable Due to Lack of Mutual Assent
Colage v. Collins, decided by Federal Circuit on December 3, 2025, resulted in a defendant win outcome. The case concerns the enforceability of a settlement agreement in a patent infringement dispute....
Federal Circuit Affirms PTAB's Finding of Non-Patent-Eligible Claims
Causam Enterprises, Inc. v. Ecobee Technologies Ulc, decided by Federal Circuit on October 15, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the Patent Trial and Appeal Board...
Federal Circuit Affirms Non-Infringement of Weight-Adjustable Dumbbell Patent
Powerblock Holdings, Inc. v. Ifit, Inc., decided by Federal Circuit on August 11, 2025, resulted in a defendant win outcome. The core dispute centered on whether iFit's "SmartRow" product infringed up...
Federal Circuit Affirms Non-Infringement of Patent for Drug Formulation Treatment
Wright v. Collins, decided by Federal Circuit on August 1, 2025, resulted in a defendant win outcome. The case concerns the patentability of a method for treating a patient's condition using a specifi...
Federal Circuit Affirms Non-Infringement of Egenera's Patent by Cisco Nexus Switches
Egenera, Inc. v. Cisco Systems, Inc., decided by Federal Circuit on July 7, 2025, resulted in a defendant win outcome. The core dispute centered on whether Cisco's "Nexus" line of network switches inf...
Federal Circuit Affirms Non-Infringement of Data Center Energy Management Patent
Ecofactor, Inc. v. Google LLC, decided by Federal Circuit on May 21, 2025, resulted in a defendant win outcome. The core dispute centered on whether Google's use of Ecofactor's patented technology for...
CAFC Affirms Patent Ineligibility of Method of Treatment Claim
Lessors of Abchakan Village v. Defense, decided by Federal Circuit on May 16, 2025, resulted in a defendant win outcome. The case concerns the patentability of a "method of treatment" claim directed t...
CAFC Affirms PTAB's § 101 Rejection of Nucleic Acid Detection Method
Hatfield v. Collins, decided by Federal Circuit on May 2, 2025, resulted in a defendant win outcome. The case concerns the patentability of a method for detecting and quantifying nucleic acid sequence...
CAFC Affirms Patent Ineligibility for Method of Treatment Using Biomarker Correlation
Steele v. Collins, decided by Federal Circuit on May 1, 2025, resulted in a defendant win outcome. The case concerns the patentability of a method for treating a disease using a drug that has already ...
CAFC Affirms Patent Ineligibility of Nucleic Acid Detection Method
Boyd v. United States, decided by Federal Circuit on April 22, 2025, resulted in a defendant win outcome. The case concerns the patentability of a method for detecting and quantifying nucleic acid seq...