Comprehensive guide to Patent Eligibility Under 35 U S C 101 cases, courts, and legal analysis.
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 ...
Hamill v. Collins, decided by Federal Circuit on February 4, 2026, resulted in a defendant win outcome. The case concerns the patentability of a method for treating a patient with a specific genetic m...
In Re US, decided by Federal Circuit on February 2, 2026, resulted in a defendant win outcome. The case concerns the patentability of software, specifically the "data processing" method claimed in the...
In Re US, decided by Federal Circuit on February 2, 2026, resulted in a defendant win outcome. The case concerns the patentability of software, specifically whether a patent claim directed to a "metho...
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...
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...
Mutakaber v. Secretary of State, decided by Federal Circuit on December 18, 2025, resulted in a defendant win outcome. The case concerns the validity of a patent for a "method and apparatus for detect...
Lesko v. United States, decided by Federal Circuit on December 12, 2025, resulted in a plaintiff win outcome. The case concerns the interpretation of the "control" prong of the "work for hire" doctrin...
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...
Blue Sky the Color of Imagination, LLC v. United States, decided by Federal Circuit on December 4, 2025, resulted in a defendant win outcome. The case concerns the patentability of "virtual" or "abstr...
Wright v. Collins, decided by Federal Circuit on October 28, 2025, resulted in a defendant win outcome. The case concerns the patentability of a method for detecting and quantifying circulating tumor ...
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...
US Inventor, Inc. v. PTO, decided by Federal Circuit on October 3, 2025, resulted in a defendant win outcome. The case concerns whether the Patent Trial and Appeal Board (PTAB) correctly determined th...
Hyatt v. Stewart, decided by Federal Circuit on August 29, 2025, resulted in a defendant win outcome. The case concerns the patentability of a "method and apparatus for providing a user interface for ...
Fisher v. United States, decided by Federal Circuit on August 12, 2025, resulted in a defendant win outcome. The case concerns the patentability of a method for detecting and quantifying nucleic acid ...
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...
Jiaxing Super Lighting Electric Appliance, Co. v. Ch Lighting Technology Co., Ltd., decided by Federal Circuit on July 28, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the d...
Beacon Point Associates LLC v. DVA, decided by Federal Circuit on June 5, 2025, resulted in a defendant win outcome. The case concerns whether a patent for a "method of treating a patient" was properl...
Curtin v. United Trademark Holdings, Inc., decided by Federal Circuit on May 22, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the Patent Trial and Appeal Board's (PTAB) deci...
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...
In Re KOSTIC, decided by Federal Circuit on May 6, 2025, resulted in a defendant win outcome. The Federal Circuit affirmed the Patent Trial and Appeal Board's (PTAB) decision to deny institution of an...
Amezquita v. Collins, decided by Federal Circuit on May 5, 2025, resulted in a defendant win outcome. The case concerns the patentability of a method for treating a patient's condition using a specifi...
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...
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 ...
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...
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