Soei Kokusai Tokkyo Law Office

SOEI Patent & Law Firm is a leading Japanese intellectual property practice focused on patents, designs and trademarks, and it serves engineers, inventors and designers who create valuable IP. The firm operates as a Japanese patent, trademark, design and law firm with a head office in Tokyo and additional offices in Kyoto and Fukuoka, and it maintains a global network that includes Washington DC and Bangkok to support clients worldwide.

SOEI combines attorneys-at-law and patent attorneys to deliver integrated IP services across the life cycle, including patent strategy and prosecution before the Japan Patent Office, handling official actions, and managing designs and trademarks. The firm emphasizes close collaboration among its professionals to cover all aspects of IP rights and to provide clear guidance through complex proceedings.

Beyond IP, the firm provides corporate and commercial legal services to help clients integrate IP protection with business strategies, including advising on antimonopoly law, customs and contract law, as well as supporting corporate formation and other business activities for new ventures.