patent - Patent Detectives

Federal Circuit Reverses Teva Headache Patent Invalidity, Distinguishing Amgen on §112 Written Description and Enablement

The U.S. Court of Appeals for the Federal Circuit issued a precedential opinion on April 16, 2026, reversing a judgment ...

2026.04.19

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USPTO Extends ASAP! AI Pre-Examination Search Pilot Deadline to June 1 Amid Low Participation

The U.S. Patent and Trademark Office (USPTO) announced on April 16, 2026, that it is extending the petition filing deadl...

2026.04.19

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Japan Patent Office Rejects Over 20 Nintendo Monster-Capture Applications Amid Palworld Lawsuit

The Japan Patent Office (JPO) has rejected more than 20 Nintendo Co., Ltd. patent applications directed to monster-captu...

2026.04.18

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Federal Circuit Reinstates $177M Teva Verdict Against Eli Lilly in Migraine Drug Patent Dispute

The U.S. Court of Appeals for the Federal Circuit on April 16, 2026 reinstated a $177 million jury verdict in favor of T...

2026.04.18

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JPO Status Report 2026: AI-Assisted Filing Tools Drive 2.69x Surge in December 2025 Patent Applications — Can Japan Balance Quantity with Quality?

JPO's Status Report 2026 shows Japan's 2025 patent applications hit 358,317 — first time above 350K since 2008. December saw 82,188 filings (2.69x month-over-month), driven by AI filing tools like Tokkyo.Ai. Quality vs. quantity is the central challenge.

2026.04.17

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Stanford AI Index 2026: South Korea Tops Global AI Patent Filings Per Capita for Second Consecutive Year, Japan Ranks Fifth

Stanford HAI's AI Index 2026 shows South Korea leading global AI patent filings per capita for a second consecutive year at 14.31 per 100,000 people. Japan ranks fifth at 4.3. Korea's chaebol-driven filing strategy and AI Basic Act underpin its position.

2026.04.17

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Federal Circuit Reverses Noninfringement Rulings in VLSI v. Intel, Reviving Patent Claims on Extraterritoriality and Equivalents

The U.S. Court of Appeals for the Federal Circuit (CAFC) issued a precedential decision on April 14, 2026, reversing the...

2026.04.17

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EPO Receives Record 201,974 Patent Applications in 2025 — AI and Quantum Tech Drive Growth as China Surpasses Japan

The European Patent Office (EPO) announced on April 13, 2026 that patent applications received in 2025 exceeded 200,000 ...

2026.04.17

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PTAB IPR Filings Hit Historic Low in Q1 2026: 64% Drop and Discretionary Denial Surge Signal Structural Shift

PTAB inter partes review petitions collapsed 64% year-over-year in Q1 2026 to just 131 total filings. Institution rates for NPEs fell to 24.6%, discretionary denials surged 622% YoY, and ex parte reexamination hit its second-highest level in history. Analysis of the structural shift in U.S. post-grant proceedings.

2026.04.16

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