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Akihiro Sako, Attorney-at-Law

Background
March 1999 Graduated from Waseda University, Faculty of Law
1999-2004 Worked as IT consultant and system engineer
March 2007 Graduated from Hokkaido University Law School
December 2008 Completed legal training at the Legal Training and Research institute of the Supreme Court of Japan
January 2009 Joined Miyake & Yamazaki
May 2012 Graduated from University of New Hampshire Franklin Pierce School of Law
2012-2013 Received training at Finnegan, Henderson, Farabow, Garrett & Dunner, LLP, Washington DC office
June 2016 Promoted to a partner at Miyake & Yamazaki
January 2020 Joined KUBOTA as a partner
April 2021 Joined Harumi Partners as a partner
Main Areas of Practice
Corporate legal affairs, intellectual property right, other civil cases
Qualification
Attorney-at-Law (Japan & NY State)
Certified Software Design & Development Engineer
Organizations
  • Daini Tokyo Bar Association
  • Japan Association of Industry Property Law
  • Licensing Executive Society Japan, commissioner (2021-2024)
  • Senshu University School of Law, guest professor (2021-)
Publications
  • Exhaustion doctrine for the patented product which was processed or of which parts were replaced (Supreme Court, November 8, 2007) Tokkyo Hanrei Hyakusen 6th Edition, August 2025, pp.110-111
  • Practice Intellectual Property Law I Patent Act, coauthored with Prof. Yoshiyuki Tamura and Mr. Shin Tokii, 2nd edit., June 2024
  • Patent Infringement Caused by Multiple Entities, Prof. Yoshiyuki Tamura’s Sexagenarian Memorial theses, August 2023, pp.328-345
  • How to Determine the Scope of Designated Goods and Services (Intellectual Property High Court, September 12, 2012) Shohyou, Ishou, Fuseikyousou Hanrei Hyakusen 2nd Edition, July 2020, pp.92-93
  • Practice Intellectual Property Law I Patent Act, coauthored with Prof. Yoshiyuki Tamura and Mr. Shin Tokii, April 2020
  • Recycle and Exhaustion doctrine (Supreme Court, November 8, 2007) Tokkyo Hanrei Hyakusen 5th Edition, August 2019, pp.46-47
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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