Ace-ai IP Law Firm, a Tokyo-based boutique IP firm, provides strategic intellectual property and technology consulting services to innovators worldwide. With deep expertise in IP prosecution, licensing, and enforcement across all technical fields, we have successfully filed more than 8,000 patent, design, and trademark applications since our establishment in 1998 under the name Yamaguchi International Patent Office, the legal entity now known as Yamaguchi Takemoto IP Law Firm.
For more than 25 years, we have had the honor of advising a distinguished clientele — from cutting-edge startups to leading multinational corporations — including some of the most prolific filers before the European Patent Office.
Our team of 20 professionals includes 7 qualified Japanese patent and trademark attorneys, as well as a U.S. attorney licensed in New York and the District of Columbia. Together, we offer tailored solutions to both domestic and international clients, with working proficiency in English, German, Chinese, and, of course, Japanese.
Whether you’re looking to navigate the Japanese IP landscape or expand your global IP strategy, we invite you to get in touch via the form below or by email.
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