Patents

Federal Circuit Insulates PTAB in Ethanol Boosting Systems Opinion

A High Bar for Challenging PTAB 'Shenanigans'

Dec 26, 2025 • PatentRiff

CAFC Clarifies Doctrine of Equivalents and Injunction Standards in Wonderland v. Evenflo

Plus, the "Dracula Project" Emails

Dec 19, 2025 • PatentRiff

WSJ Op-Ed Pleas for Anti-Troll Measures After 'Patent Bounty' Case

The Risk of Overcorrection in the Patent System

Dec 9, 2025 • PatentRiff

USPTO Formalizes Role of Rule 132 Subject-Matter Eligibility Declarations (SMEDs)

Memos: Evidence Over Abstraction

Dec 4, 2025 • PatentRiff

'Optimal' Trap: CAFC Affirms Indefiniteness of Subjective Routing Criteria

Precision in patent drafting is not merely a stylistic preference; it is a statutory requirement.

Nov 25, 2025 • PatentRiff

Function & Design: CAFC Reverses Utility Patent Infringement and Remands Design Patent Dispute

Nov 14, 2025 • PatentRiff

CAFC Greenlights Immediate Appeals of Anti-SLAPP Denials, Confirms Patent Filing is ‘Protected Activity’

In an interesting ruling for intellectual property litigators operating under California law, the U.S.

Oct 20, 2025 • PatentRiff

Federal Circuit Overturns $166M Finesse Verdict, Citing 'Confusing' Expert Testimony

A precedential opinion in Finesse v. AT&T

Sep 24, 2025 • PatentRiff

New USPTO Director Squires Signals a Pro-Patent, Collaborative Era

"Our role is not to dispassionately say 'no'"

Sep 24, 2025 • PatentRiff

Federal Circuit Clarifies "Prevailing Party" Status After Sanction-Based Dismissal

Future Link v. Realtek discusses post-dismissal attorney fees

Sep 11, 2025 • PatentRiff

More Sonos: How a Two-Part Patent Figure Led to a $32.5M Reversal

A specification disagreement between N.D. Cal. and the CAFC

Sep 1, 2025 • PatentRiff

USPTO Examiner Union Abolished Under National Security Mandate

A new E.O. says POPA must go

Aug 29, 2025 • PatentRiff

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