Aki Koshizuka

Aki Koshizuka


Email [email protected]​hoganlovells.com

Phone +81 3 5157 8249

Fax +81 3 5157 8210

LanguagesJapanese, English, Spanish

Practice groupIntellectual Property, Media, and Technology

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. 

Education and admissions


Pg. Cert. (Intellectual Property Law and Practice), Queen Mary University of London, with distinction

B.A., Sophia University, with honors


UK Intellectual Property Regulation Board (IPReg)

Representative experience

Acting for a well-known Japanese online market provider in relation to its global trademark portfolio management in over 50 jurisdictions and several domain name dispute resolutions at WIPO, Japan Intellectual Property Arbitration Center, etc.

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

Acting for a multinational conglomerate corporation in relation to a numbers of direct negotiations with European counter parties, amicably settling cases in UK, Italy, France, Germany, Denmark, Czech Republic, Switzerland, etc. and prevailing oppositions / invalidation actions in Spain, France, UK and the EU.

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