日本 - Patent Detectives

Japan’s IP High Court Revives Broad Institute CRISPR Patent, Overturning JPO Invalidation on Priority Rights

Japan's Intellectual Property High Court (IP High Court) on April 14, 2026, issued a ruling in favor of the Broad Instit...

2026.04.21

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IP News

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

ColumnCompany Analysis

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

パテント探偵社編集部

IP News

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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IP News

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

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Column

Trump Invokes Section 232 to Impose 100% Tariff on Patented Pharmaceutical Imports

On April 2, 2026, President Trump signed a Proclamation imposing a 100% tariff on patented pharmaceuticals, their active...

2026.04.13

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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

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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

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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

Protecting 400 Years of Craft: How Arita Porcelain Navigates Japan’s Brand Protection Landscape

Arita ware (有田焼), the Japanese porcelain produced in and around Arita, Saga Prefecture since 1616, commands global recog...

2026.04.03

パテント探偵社編集部

IP News