President / Attorney at Law, Patent Attorney
Reishi Nishiwaki offers a rare and powerful combination of expertise as both an Attorney-at-Law and a Patent Attorney, backed by a technical background in telecommunications. This dual qualification enables him to provide comprehensive IP strategies that span the entire lifecycle—from robust patent prosecution to high-stakes litigation and enforcement.
Since his registration, he has dedicated his career to all aspects of IP, including patents, trademarks, designs, and unfair competition. He is particularly noted for his forward-looking approach, actively advising clients on navigating the legal complexities of Generative AI and emerging technologies.
His excellence in both patent and trademark practice has earned him widespread recognition. In 2025, he was named a recommended individual in the IAM Patent 1000 (Prosecution), where the firm also achieved a Silver Tier ranking. He was further recognized in the WTR 1000: The World’s Leading Trademark Firms and Professionals, solidifying his reputation as a top-tier expert across multiple IP disciplines.
As President, Reishi is committed to operational excellence, ensuring that each client receives tailored, precise, and timely solutions. He maintains a robust international network, frequently traveling overseas to align the firm’s services with global IP standards.
Reishi is actively engaged in the intellectual property community through committee work and policy involvement, holding key leadership positions in major IP organizations.
Outside of his professional duties, while he is an avid golfer, he currently prioritizes quality time traveling with his family.
EDUCATION
- Bachelor Degree of Eng.: Waseda University (2004)
- J.D.: Ritsumeikan University School of Law (2008)
QUALIFICATION
- Registered Japanese Attorney at Law (2010)
- Registered Japanese Patent Attorney (2012)
MEMBERSHIP
- IP Law Workshop of Daini Tokyo Bar Association
- Japan Patent Attorneys Association (JPAA)
- JPAA Executive Director(2019)
- JPAA Patent Committee (2014-2015)
- Vice president of JPAA IP Litigation Committee (2016)
- Japan Trademark Association
- International Association for the Protection of Intellectual Property JAPAN (AIPPI JAPAN)
- Intellectual Property Lawyers Network Japan
- Copyright Law Association of Japan
- Tokyo Bar Association Intellectual Property Rights Legal Division
- Japan Intellectual Property Arbitration Center
- International Trademark Association (INTA)
Language
- Japanese
- English