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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
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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
English企業分析
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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
English企業分析
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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
Englishコラム
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How Meta’s Llama Strategy Rewrote the Rules: Open Source AI as an IP Strategy

Meta's decision to release the Llama series in "open" form has introduced structural changes to the competitive dynamics...
2026.04.03 パテント探偵
English企業分析
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Gibson’s 15-Year Quest to Trademark a Guitar Body Shape — The Limits of 3D Trade Dress Protection

For over 15 years, Gibson Brands has pursued trademark and trade dress protection for the iconic body shapes of its Les ...
2026.04.03 パテント探偵
English企業分析
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Where the Training Data Lawsuits Stand Now: NYT v. OpenAI, Getty v. Stability AI, and the Legal Questions Ahead

Copyright litigation over generative AI training data has accelerated sharply since 2023, concentrated primarily in the ...
2026.04.03 パテント探偵
English知財ニュース
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The LLM Architecture Patent Race: From Transformer to RLHF and Inference Optimization

Large language model (LLM) core technologies—Transformer architectures, reinforcement learning from human feedback (RLHF...
2026.04.03 パテント探偵
English企業分析
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The AI Patent War of 2026: How OpenAI, Google, Anthropic, and Meta Are Drawing the Battle Lines

In 2026, the intellectual property (IP) competition surrounding artificial intelligence has entered a new phase. Patent ...
2026.04.03 パテント探偵
English企業分析