• Top
  • Areas of Practice

Areas of Practice

The approximately 100 patent attorneys and 7 attorneys-at-law in our Patent, Trademark and Legal Departments handle the entire registration process for patents, utility models, designs and trademarks, from the filing of applications, to intermediate prosecution, trials and litigation, registration and management of annuities, and as required, advice in connection with proper protection and utilization of IP rights.


Our main services relate to filing applications for patents, utility models, designs and trademarks at IP Offices in Japan and overseas, filing PCT-based international applications at WIPO for patents based on the PCT and for trademarks based on the Madrid Protocol, filing applications at regional Patent Offices such as the EPO, as well as intermediate prosecution thereof, relevant trial proceedings, and appellate legal action at the Intellectual Property High Court. We also handle the registration of new plant varieties at the Ministry of Agriculture, Forestry and Fisheries.

In addition, we provide services for infringement court action, legal advice, expert opinions, licensing in connection with patent, utility model, design and trademark rights, copyright matters, unfair competition, and breeder's rights for new plant varieties.

Go to Top


  • TEL:+81(0)3-5470-1900
  • FAX:+81(0)3-5470-1911


Toranomon37 Mori Bldg. 10F,
3-5-1 Toranomon, Minato-ku,
Tokyo 105-8423, JAPAN

View more