This company has been acquired by Toyota Technical Development Corporation. Exit recorded June 2025.
Acquirer:Toyota Technical Development Corporation (opens in new tab)
AI Samurai
aisamurai.co.jp (opens in new tab)About
AI Samurai develops patent-application support systems for intellectual-property work. Its AI Samurai ONE and AI Samurai ZERO products support patent searching, similarity and examination simulation, and AI-assisted patent-document drafting.
Key facts
Status
Acquired
Founded
2015
Headquarters
Chiyoda City, Japan
Target market
Corporate Legal and Legal Service Providers
Revenue model
Subscription, Usage-Based, and Licensing
Total funding
-
Exit
June 2025
Company references
External references
Cite this entry
[1]Bluebook:Stanford Ctr. for Legal Informatics (CodeX), CodeX TechIndex: AI Samurai, http://techindex.law.stanford.edu/companies/ai-samurai (last visited November 2, 2026).
[2]APA:Stanford Center for Legal Informatics (CodeX). (n.d.). AI Samurai. In CodeX TechIndex. Retrieved November 2, 2026, from http://techindex.law.stanford.edu/companies/ai-samurai
[3]BibTeX:@misc{techindex_company_13843,
author = {{Stanford Center for Legal Informatics (CodeX)}},
title = {{CodeX TechIndex: AI Samurai}},
howpublished = {CodeX TechIndex},
url = {http://techindex.law.stanford.edu/companies/ai-samurai},
urldate = {2026-11-02}
}
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Entry maintained by Stanford CodeX. Last reviewed October 2026.