Office overview


Name UNIUS Patent Attorneys Office
Established January 1998

Osaka Head Office

First Shinosaka MT Building 2nd Floor, 5-13-9 Nishinakajima, Yodogawa-ku, Osaka, 532-0011, JAPAN

Tokyo Office

Shinnihonbashi Nagaoka Building Suite 5A, 16-5 Nihonbashikodenma-cho, Chuo-ku, Tokyo, 103-0001, JAPAN

Representative Toshinori Tanno
Number of Staff 53 (As of January 1, 2023)
  • Filing and prosecution of Japanese patent applications, foreign patent applications, and Japanese patent applications based on foreign priority cases
  • Filing and prosecution of applications for utility models, designs, and trademarks
  • Information statements, oppositions, various appeals and trials, actions for cancellation, opinion letters, and infringement suits in connection with the foregoing
  • License agreements, valuation of intellectual property, prior art searchers, antitrust law, copyright law, and so forth
  • Host seminars and workshops at, serve as outside patent counsel for, and provide various forms of legal advice to corporations, public organizations, universities, and various other types of organizations

Organizational Structure

Organizational Structure


E-mail inquiries

Telephone inquiries