Welcome to Seishin
We handle each case with all our sincerity to provide high quality services to our clients and associates home and abroad.
*** NOTE ***
 Please kindly be informed that our office has moved to the below address as of January 25, 2021.

 New address:
 Rene Yushima Bldg. Suite 301
 4-1-13, Yushima, Bunkyo-ku
 Tokyo 113-0034 JAPAN
 Phone (Unchanged) : +81-3-6256-9422(for English), 9421(for Japanese)
 Fax (Unchanged) : +81-3-6256-9420
 E-mail (Unchanged) : patent@seishin-ip.com

Please correct your records accordingly.

A full range of legal services is performed by Seishin for the prosecution of industrial property. The services provided by Seishin include: preparing, filing and prosecuting patent, utility model, design and trademark applications before the JPO and in foreign countries; providing opinions concerning patentability, registrability, validity and infringement; and conducting searches. With a lawyer specialized in intellectual property and corporate laws, Seishin offers such legal services as required in licensing, litigation and infringement. Well trained and experienced support staff allow the attorneys and lawyer to devote their maximum time to their professional works, resulting in quick and effective response capability and reasonable charges.
Seishin represents numerous leading corporations, home and abroad, in various fields of technology, which are quite active in securing protection for and exploiting their industrial property. In the past, Seishin has handled tens of thousands of foreign filings for domestic clients and domestic filings for foreign clients.


Our Attorneys
Yoichiro SHIMODA / Patent Attorney
Norimasa SHIMODA / Law at Attorney & Patent Attorney
Katsuhiko SUMIYOSHI / Patent Attorney
Masanori TAKIZAWA / Patent Attorney
Hiroyuki NARA / Patent Attorney


Seishin Patent & Law Firm

Rene Yushima Bldg. Suite 301
4-1-13, Yushima, Bunkyo-ku
Tokyo 113-0034 JAPAN
Phone: +81-3-6256-9422(for English), 9421(for Japanese)
Fax: +81-3-6256-9420
E-Mail: patent@seishin-ip.com

Hongo-sanchome Sta. on Toei Subway Oedo Ln. 4min. from 4th or 5th Exit
Hongo-sanchome Sta. on Tokyo-Metro Subway Marunouchi Ln. 7min. from 2nd Exit
Yushima Sta. on Tokyo-Metro Subway Chiyoda Ln. 8min. from 1st or 3rd Exit

Copyright(c)Seishin Patent & Law Firm. All rights reserved.