Toho International Patent&Law Office 弁理士法人 桐朋

About Us

While our core practice is domestic and international patent prosecution, we have also been involved in IP litigation in the United States, Europe, and China for many years. We are engaged in worldwide activities including prosecution and litigation.

We are committed to assisting companies in establishing global intellectual property rights, together with furthering the effective use of their intellectual property rights. Through close and intensive communication with our clients, we provide high quality prosecution and other legal services.

Our Patent Attorneys

Yoshihiro CHIBA

(Head Partner, Patent Attorney)

Takayuki SENBA

(Partner, Patent Attorney)

Shiro SAKAI

(Partner, Patent Attorney)

Yasuharu NAKASONE

(Partner, Patent Attorney)

Kosuke SEKIGUCHI

(Partner, Patent Attorney)

Tomoki KUBOTA

(Partner, Patent Attorney)

Tatsuya ICHIKAWA

(Partner, Patent Attorney)

Toshiyuki KORIN

(Patent Attorney)

Keiichi IKEDA

(Patent Attorney)

Kodai KADOYAMA

(Patent Attorney)

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