Access
Address Kasumigaseki Bldg. 36F
3-2-5 Kasumigaseki
Chiyoda-ku, Tokyo 100-6036
JAPAN
TEL 81-3-5521-1530 (General)
FAX 81-3-5521-2356 (General)
E-MAIL info@oslaw.org
Establishment May 1, 2000
Staff
Attorney-at-law 3
Patent Attorney 15
Translator 1
Paralegal 1
Secretariat 19
Specialties
Intellectual property litigation involving patent, trademark, design right, utility model, copyrignt,
unfair competition, etc., especially litigation involving advanced technology.

Services regarding filing and pursuing applications for patent, trademark, design and utility model.

Litigation for revocation of judgment, and invalidation trial,opposition procedures before the Patent Office.

Advice on intellectual property right dispute and measures in disclosure proceedings concerning in foreign countries.

Preparation of expert opinion and advice on infringement and validity of intellectual property.

Advice on business transaction of intellectual property, drafting and review of contract in Japanese and English.
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