We celebrate our the 40th anniversary this year !

We received high recognition in the IAM Patent 1000 2025.

IPUSA Ranked in the Top 10 in the 2024 U.S. Patent Quality Rankings for Art Units 1700 & 3600

Japan’s IP High Court Orders Generic Drugmakers to Pay JPY 21.7 Billion in Damages

JPO Status Report 2025 Released

IP High Court of Japan Issues Landmark Ruling on Patent Infringement due to Medical Activity

The "Sushi Zanmai" Case: Appeal Court Decision ~ Intellectual Property High Court, October 30, 2024 (Case No. 2024 (Ne) 10031) ~

Happy Holidays from ITOH!

Status of Suspension of Intellectual Property Infringing Goods at Customs in the First Half of 2024* ~In view of the revision of the Customs Law effective October 1, 2022~

JPO Annual Report 2024 Released

Our firm achieved the rank of 11th in the world (3rd in Japan) in the 2023 PCT International Applications Agent Rankings.