Japanese IP Firm IPStart Visits Pine IP Firm

On July 9, 2026, Tomoyuki Serizawa, founder, managing partner, and patent attorney at IPStart Intellectual Property Law Firm in Yokohama, visited Pine IP Firm's Pangyo office.

The firms discussed patent, trademark, and design protection for Korean companies entering Japan, Japanese prosecution procedure, and coordination for clients seeking protection in both jurisdictions.

IPStart was established in Yokohama in 2023. Its practice covers patents, utility models, designs, trademarks, Japanese domestic matters, international filings, and incoming work for overseas clients. The firm also advises startups and small and medium-sized companies on IP strategy.

Serizawa's practice includes patent prosecution and Office Action responses before the Japan Patent Office, foreign filing programs for Japanese clients, portfolio strategy, and infringement and validity reviews. He is qualified to represent clients in IP infringement litigation.

The meeting also covered accelerated examination, AI and software inventions, design and trademark filings, and foreign filing strategy for smaller companies. The firms will coordinate local advice for Korean clients filing in Japan and Japanese clients filing in Korea.