米国 - Patent Detectives

Federal Circuit Splits on Tesla EV Charging Patent: Claim 1 Obvious, Time-Calculation Claims Survive

The U.S. Court of Appeals for the Federal Circuit on March 31, 2026 issued a split decision in Tesla, Inc. v. Charge Fus...

2026.04.05

パテント探偵社編集部

IP News

Federal Circuit Affirms PTAB: Centripetal Networks Cybersecurity Patent Anticipated by Cisco User Guide

The U.S. Court of Appeals for the Federal Circuit (CAFC) on April 2, 2026 affirmed the Patent Trial and Appeal Board's (...

2026.04.05

パテント探偵社編集部

IP News

Trump Signs Executive Order Imposing Up to 100% Tariffs on Patented Pharmaceutical Imports Lacking U.S. Manufacturing

President Trump on April 2, 2026, signed an executive order titled “Adjusting Imports of Pharmaceuticals and Pharmaceuti...

2026.04.04

パテント探偵社編集部

IP News

USPTO Director Squires Vacates Seven TikTok IPRs Over Chinese Government Real-Party-in-Interest Question

USPTO Director John Squires on March 30, 2026, vacated seven inter partes review (IPR) petitions filed by TikTok against...

2026.04.04

パテント探偵社編集部

IP News

Centripetal Networks Patent Claim Held Unpatentable——Federal Circuit Affirms PTAB Anticipation Finding

Centripetal Networks Patent Claim Held Unpatentable——Federal Circuit Affirms PTAB Anticipation FindingOn April 2, 2026, ...

2026.04.03

パテント探偵社編集部

IP News

Federal Circuit Invalidates Patents Over Missing Coinventor——Fortress Iron Decision Reinforces Strict Inventor Requirements

Federal Circuit Invalidates Patents Over Missing Coinventor——Fortress Iron Decision Reinforces Strict Inventor Requireme...

2026.04.03

パテント探偵社編集部

IP News

Steinway’s Patents Expired Long Ago. So Why Can’t Anyone Replicate Their Dominance?

Steinway & Sons holds no active patents that cover the core technologies of its concert grand pianos. The overstrung pla...

2026.04.03

パテント探偵社編集部

Column

Can a Color Be a Trademark? Le Creuset’s Orange and the Legal Requirements for Color Mark Registration

In 1995, the United States Supreme Court confirmed that a single color can function as a trademark. The decision in Qual...

2026.04.03

パテント探偵社編集部

Column

Why Takashi Murakami Treats IP as an Art Form: Trademark, Copyright, and Licensing as Creative Strategy

Takashi Murakami is simultaneously one of the most commercially successful contemporary artists and one of the most stra...

2026.04.03

パテント探偵社編集部

Company Analysis

The Birkin Isn’t Protected by a Patent — It’s Protected by Trade Dress: Hermès’s IP Strategy

The Hermès Birkin bag has no active patent protection. Its iconic silhouette cannot be exclusively claimed through desig...

2026.04.03

パテント探偵社編集部

Company Analysis