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Aki Koshizuka


Aki Koshizuka
English, Spanish, Japanese
Practice Group
Intellectual Property
For trademark searches Aki has experience covering over 40 countries and has experience in over 130 countries for trademark prosecutions. She mainly handles office actions, oppositions, cancellation/invalidation actions, appeals and negotiations. 

She also has experience in anti-counterfeit solutions in various countries. Having graduated as valedictorian from Sophia University and studied in the UK, Spain and the U.S., Aki is registered as a UK Trademark Attorney and a European Trademark Attorney.

She previously worked as a section chief of overseas trademark searches and prosecutions at Thomson Reuters, Professional. Aki joined Hogan Lovell's in 2009. During that time she also worked in our Alicante and London offices for two and a half years, advising clients from many different countries on all aspects of UK trademarks and CTM’s. In our Tokyo office she covers a wide range of multi-jurisdictional trademark portfolio management services. Aki is fluent in Japanese and English and has a good working knowledge of Spanish.

Education and admissions


  • Sophia University
  • PGCert, Queen Mary University of London


  • The Institute of Trade Mark Attorneys (ITMA), UK European Union Intellectual Property Office

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