
Overview
Kyotaro Ozawa (formerly, Hemmi) is an associate in the Litigation Department based in the firm’s Tokyo office. His practice focuses primarily on litigation, with a particular focus on high-stakes disputes involving biologics, patents and trade secrets. He advises clients on cross-border matters from start to finish, with his experience spanning from leading pre-suit investigations to conducting examinations at trial.
Born in Japan but brought up in the United States, Kyo is bilingual in written and spoken English and Japanese.
Prior to joining Paul Hastings, Kyo was an associate at another multinational law firm in its New York office. As a litigator in New York, he regularly made appearances in various New York courts, representing clients at trial as lead counsel and presenting arguments at more than thirty hearings.
Kyo joined Paul Hastings in 2018. He is admitted to practice in New York and is a Registered Foreign Lawyer in Japan.
Accolades
- Rising star 2025 - Japan, IP Stars, Managing IP (2025)
- Silver - Litigation Japan, IAM Patent 1000 (2024-2025)
- One to Watch, Patent Practice The Best Lawyers in Japan (2024)
- Recommended, Litigation Japan IAM Patent 1000 (2022-2023)
- Rising Star, Intellectual Property Japan The Legal 500 Asia Pacific (2020, 2023)
- The World's Leading Patent Professionals, Japan: Foreign – IAM Patent 1000 (2019-2020)
- Her Justice – 2016 Commitment to Justice Awards
Representations
- Representing a global pharmaceutical company in a patent-infringement case involving a COVID-19 vaccine.
- Representing a Japanese pharmaceutical company in an arbitration matter and a related district-court litigation over a novel antibody-drug conjugate (ADC) targeting, among others, breast and gastrointestinal cancer cells.
- Representing an American biotechnology company in the ITC and in a district court in connection with the alleged misappropriation of its trade secrets concerning a novel formulation to treat NAFLD / NASH.
- Represented a client as Lead Trial Counsel in a high-stakes custody case involving a severely disabled child and more than six million dollars in controversy. After a four-day bench trial in the Bronx County Supreme Court, successfully obtained a complete victory for the client.
- Represented a Japanese automobile manufacturer in a patent infringement case involving microprocessor designs and wireless communication protocols.
- Represented a multinational electronics company in a patent infringement case involving technologies relating to wireless messaging and mobile-device management.
- Represented a printer manufacturer against its competitor in a trade secret case.