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Sun East IP is a firm offering a full range of IP services including trademarks, designs, patents, utility models, domain names and copyright. It was founded by experts who for many years have focused on trademark law and practice in Japan. We care for our client’s needs through our excellent service.

1. Highly Experienced in Trademark and Patent Prosecution

Our attorneys have successfully handled over 4000 applications for trademarks and patents in Japan.

2. Competitive Pricing without Compromising Quality of Services

While our fees are generally 25% to 30% lower than prevailing rates in Japan, our registration rates remain outstanding.

3. Timely and Stress Free Management of Complex Issues

We provide a prompt and efficient service 6 days a week with easy access for non-Japanese clients and we provide easy to understand reports throughout the registration process.

Awards & Achievements

Our firm’s managing partner, Chikako Mori, has been selected for The World’s Leading Trademark Professionals for 2019, by World Trademark Review 1000. This marks the second consecutive year in which she earned the honor as a recommended expert. The 2019 edition of the World Trademark Review 1000 said: “Chikako Mori heads up the trademark team at Sun East IP Firm where she comes highly recommended for her trademark counselling and protection services.” The 2018 edition referred to her as “Efficient, responsive, practical and straightforward” - their verdict for proficient litigator Chikako Mori, who heads the trademark unit at Sun East IP Firm
For more information regarding the article, please check the following link.
Japan Top TM Professionals World Trademark Review

Practice Areas

We are fully committed to supporting clients in the intellectual property areas of:

Tokyo Office

4F, Moriichi Bldg., 1-3-2, Kyobashi, Chuo-ku, Tokyo 104-0031, Japan


E-mail to Sun East



International Trademark Association (INTA)
Japan Patent Attorneys Association (JPAA)
Tokyo Metropolitan Intellectual Property Center (TMIPC)
Pharmaceutical Trade Marks Group (PTMG)