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Stanford AI Index 2026: China Holds 74 Percent of Global AI Patents While the U.S. Falls to 12 Percent

Stanford HAI AI Index 2026 reveals China received 74.2 percent of all AI patents granted globally in 2024, while the U.S. share fell to 12.1 percent.
2026.04.20 パテント探偵社 編集部
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China’s Patent Boom Is No Longer Just a ‘Pile of Low-Quality Paper’ — Three Realities Companies Must Face

The narrative that China's patent filings are mostly low-quality noise is increasingly untenable. Analysis of three concrete risks — prior art impact, FoE constraints, and extraterritorial rights expansion — for companies worldwide.
2026.04.16 パテント探偵社 編集部
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China’s Patent Boom Is Not a “Pile of Low-Quality Paper” — Three Realities Western Companies Must Face

Among Western businesses, China's surging patent filings are commonly dismissed as "a giant pile of low-quality paper." ...
2026.04.16 パテント探偵社 編集部
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Drafting AI Patents to Survive Section 101: Strategies Beyond the Current Guidance Cycle

For applicants seeking to patent AI-related inventions in the United States, Section 101 of the Patent Act (35 U.S.C. § ...
2026.04.14 パテント探偵社 編集部
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Secret Prior Art in 25% of Office Actions: Patently-O’s Empirical Study and the Lynk Labs Cert Denial

On April 9, 2026, Professor Dennis Crouch of the University of Missouri School of Law published an empirical study on Pa...
2026.04.13 パテント探偵社 編集部
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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
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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
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How IP Law Will Evolve in the AGI Era: AI Inventions, AI Authorship, and the Regulatory Crossroads

As artificial general intelligence (AGI) comes into view, intellectual property law confronts foundational questions it ...
2026.04.03 パテント探偵社 編集部
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How Coca-Cola Turned a Glass Shape Into a 100-Year IP Asset: The Trade Dress Strategy Behind the World’s Most Recognized Bottle

How Coca-Cola turned a 1915 design brief into over a century of IP protection — and what the contour bottle strategy teaches every business about trade dress, design patents, and secondary meaning.
2026.03.30 パテント探偵社 編集部
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How Dyson Built a Patent Empire From 5,127 Prototypes: The Patent Portfolio Strategy That Transformed Home Appliances

How Dyson turned 5,127 prototypes into a global patent empire — and what every entrepreneur can learn from the most systematic approach to IP protection in modern manufacturing.
2026.03.30 パテント探偵社 編集部
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