Aki Koshizuka | Tokyo | Hogan Lovells

Aki Koshizuka

Counsel Intellectual Property

Languages

Japanese, English, Spanish

Koshizuka Aki

Aki Koshizuka
Koshizuka Aki
  • Overview
  • Experience
  • Credentials
  • Insights and events

Aki has been involved in multijurisdictional trade mark clearance searches and portfolio management of over 130 countries. She also advises on complex IP conflicts such as oppositions, cancellation/invalidation actions, domain name disputes, negotiations, and anti-counterfeiting strategies. 

Aki joined Hogan Lovells Tokyo office in 2009. During that time she also worked in our Alicante and London offices between 2012 and 2015. In our Tokyo office Aki currently works with many well-known and innovative brand owners to proactively protect and enforce their trademarks and designs globally.

Aki is registered as a UK Trade Mark Attorney and holds Higher Courts Litigation and Advocacy qualifications accredited by the UK Intellectual Property Regulation Board.  She has extensive experience in all matters relating to prosecution and enforcement of European trade marks. 

Representative experience

Advising a multinational conglomerate on negotiations with counterparties that resulted in amicable settlements, and on successful opposition/invalidation actions in multiple European countries.

Advising a popular Japanese e-commerce site on its trademark portfolio in 50+ jurisdictions, including resolving domain name disputes at WIPO and other venues, and opposition actions in Turkey and UK.

Acting for a Japanese electronics company in relation to trade mark infringement proceedings in Germany and achieved EU-wide injunctions.

Acting for a leading Japanese telecommunications company in relation to negotiation and conclusion of coexistence agreements in Spain, Germany, France, UK, US and the EU. 

Credentials

Education
  • Pg. Cert. (Intellectual Property Law and Practice), Queen Mary University of London, with distinction
  • B.A., Sophia University, with honors
Memberships
  • UK Intellectual Property Regulation Board (IPReg)

Recognition

Notable practitioner in Japan

Managing Intellectual Property IP Stars

2023-2025
Leading individual in Japan for Prosecution and Strategy

World Trademark Review 1000

2024-2025
Recommended in Intellectual Property

The Legal 500 Asia-Pacific

2022-2024