AI can't be listed as inventor on patent applications, Japan's top court rules
japannews.yomiuri.co.jp
July 2, 2026
3 min read
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Summary
Japan's Supreme Court ruled that artificial intelligence cannot be named as an inventor on patent applications, dismissing an American engineer's appeal. The court upheld previous rulings from the Tokyo District Court and the Intellectual Property High Court regarding the Patent Office's rejection of the application.
Key Takeaways
- The Supreme Court of Japan ruled that artificial intelligence cannot be listed as an inventor on patent applications, affirming that inventors must be "natural persons."
- The court dismissed an appeal from an engineer who sought to have AI named as the inventor for a patent application related to inventions created by the AI named DABUS.
- The ruling finalized previous decisions by the Tokyo District Court and the Intellectual Property High Court, which stated that the Patent Law presumes inventors are natural persons.
- The high court acknowledged that the law did not anticipate the rapid development of AI and indicated that the question of patent rights for AI-created inventions requires further societal discussion.
Community Sentiment
Positives
- The ruling reinforces the notion that accountability and legal recognition should remain with human inventors, ensuring that innovation is tied to responsible parties.
- This decision could lead to a more equitable intellectual property landscape, as it prevents AI from monopolizing rights that should belong to human creators.
Concerns
- The inability to patent AI-generated inventions may stifle innovation in the tech industry, limiting the incentive for companies to invest in AI development.
- Concerns about AI's lack of accountability raise questions about the future of intellectual property rights and the potential for AI to disrupt established norms.