Evènements et actualités

Upcoming Webinar Series

This autumn, the trademark experts from Sonoda & Kobayashi are pleased to present you with a series of three dedicated webinars.

In this series, you will learn:

  • How to take action against infringers in China
  • How to navigate the Japanese trademark system in the age of AI
  • How to combat and prevent trademark squatting

…and much more.

These webinars are scheduled for:

  • Trademark Infringement in China (register)
    • September 25, 2025 – 15:00 CEST/09:00 EST
  • Japanese Trademark Issues in the Digital Era (register)
    • September 30, 2025 – 10:00 CEST
  • Trademark Squatting in Japan and China (register)
    • November 20, 2025 – 15:00 CEST/09:00 EST

Click here for the detail.

Ranked in IAM Patent 1000: The World’s Leading Patent Professionals 2025

Sonoda & Kobayashi IP Law is ranked among the top firms in Asia for the prosecution and enforcement of IP rights and recommended by IAM Patent 1000 2025 for offering a unique combination of professional expertise and cosmopolitan awareness.

Dr. Yoshitaka Sonoda, Managing Partner, is also ranked among the top Patent Prosecutors and recommended by IAM Patent 1000.

Read the full profile by clicking the below links.

IAM Patent 1000 : Firm

IAM Patent 1000 : Individual

Our new partner

We are pleased to announce that Keiko Shishida became a partner of the firm as of June 1, 2025.

Nouveautés du site internet

Updated Events

This autumn, the trademark experts from Sonoda & Kobayashi are pleased to present you with a series of three dedicated webinars.

Click here for details.

Updated Newsletter

View Newsletter (July)

Updated Intellectual Property Information

Commentary on Revision of “Examination Handbook for Patent and Utility Model”

Click here for details.

Updated Newsletter

View Newsletter (May)

Updated Publications of RESOURCES

Osamu Yanaka wrote a series of articles in Nippon Intellectual Property Translation Journal.

Click here for details.