The Japan Patent Office has recently highlighted the continued expansion of its Patent Prosecution Highway (PPH) network. According to the JPO, new PPH programs …
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Recent JPO Publications Highlight Trends in AI-Related Patent Filings and Examination Practice in Japan
The Japan Patent Office has recently published useful materials on AI-related inventions. Taken together, these materials provide a helpful picture of two …
Unusual Surge in Japan’s Patent Filings in December 2025 Raises Questions
An unusual phenomenon in Japan’s patent filing activity in 2025 has recently attracted attention. The chart above shows the number of patent applications …
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Summary of Key Considerations for Japanese Patent Divisional Applications That Should Not Be Overlooked
Takaoka IP distributes news articles providing information on frequently asked …
AI-Generated Inventions and Legal Challenges under Japan Patent Law
On June 4, 2025, the 54th Subcommittee on the Patent System, part of the Intellectual Property Committee of Japan’s Industrial Structure Council, convened to …
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