Akihiro Sako

Akihiro Sako

Attorney-at-Law, Patent Attorney

TEL: +81-3-6452-9256
Email: sako@kubota-law.com

Mr. Akihiro Sako is an attorney-at-law and patent attorney qualified in Japan.

After graduating from Waseda University, Faculty of Law in 1999, Mr. Sako worked as a system engineer and consultant for five years. He graduated from Hokkaido University, School of Law in 2007 and was registered as a lawyer in 2008 and joined Miyake & Yamazaki, which is currently called Miyake & Partners. Mr. Sako graduated from University of New Hampshire Franklin Pierce School of Law in 2012, passed the New York bar examination and spent ten months as a trainee at Finnegan, Henderson, Farabow, Garret & Dunner, LLP, Washington D.C. office. He was promoted to a partner at Miyake & Yamazaki in 2016, registered as patent attorney in 2017, and joined KUBOTA in 2020.

Mr. Sako provides legal services for various corporate legal affairs with focus on IP/IT related matters, including patent, trademark, copyright and unfair competition litigations, and M&A transactions. He is qualified as a Certified Software Design & Development Engineer.

Mr. Sako speaks English and Japanese. He is a member of Inter-Pacific Bar Association, Licensing Executives Society Japan and Japan Association of Industrial Property Law.


Refilled Ink Cartridges Found Infringing a Patent (Ink Cartridge Case, Intellectual Property High Court, January 31, 2006), Intellectual Property Law and Policy Journal Vol.18 December, 2007, pp.105-179
Injunction against an Entity Which Practices the Invention Requiring the Participation of Several Parties (Tokyo District Court, December 14, 2007), Intellectual Property Law and Policy Journal Vol.29 June, 2010, pp.247-278,
Patentability of Inventions Incorporating Human Mental Acts (Intellectual Property High Court, August 26, 2008), Intellectual Property Law and Policy Journal Vol.34 June, 2011, pp.373-406
Standing of Licensee to Request for Trail for Patent Invalidation (Tokyo High Court, July 30, 1985) Tokkyo Hanrei Hyakusen 4th Edition, April, 2012, pp.82-83
The Risk Posed by the Exercise of Patent Rights by Patent Assertion Entities (or Patent Trolls) on Companies Entering the US Market, The Lawyers, April, 2013, pp.27-31
Provision of Information on Offered Goods as a Designated Service for Trademark Registration (Supreme Court, December 20, 2011), Intellectual Property Law and Policy Journal Vol.43 November, 2013, pp.263-286
Recycle and Exhaustion doctrine (Supreme Court, November 8, 2007) Tokkyo Hanrei Hyakusen 5th Edition, August, 2019, pp.46-47