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Nuttachai Unaratana

Principal, Thailand Head of Trade Marks


+662 028 2244


Nuttachai is a Principal, Head of Thailand Trade Marks Group and Partner at Rouse Thailand.

Nuttachai advises clients on trademarks, including contentious and non-contentious matters. He has adept experience in advising clients on trademarks in foreign countries, as well as on IP-related matters including trademarks, patent, and copyright.

Nuttachai has experience in handling a wide array of cases. A major case Nuttachai lead included advising a leading Thai energy drink manufacturer on trademark prosecution and litigation matters in over 160 countries. He has also represented one of Thailand's largest hypermarket operators on registration and protection of trademark worldwide and has advised US developer and supplier of advanced plant genetics on the patent application for genetic modifications and procedures in Thailand.


  • LL.M. (Intellectual Property Law), Monash University, Melbourne, Australia (2005)
  • LL.B., Thammasat University, Bangkok, Thailand (2004)
  • Thai qualified lawyer
  • Registered as a Notary Services Attorney


  • Professional memberships
  • Thai Bar Association

  • Lawyers Council of Thailand

  • Intellectual Property Association of Thailand

  • Innovation and Intellectual Property Association

  • Asian Patent Attorneys Association

  • Australian-Thai Chamber of Commerce


  • WTR 1000, 2020: Tier 2 for Prosecution and Strategy 
  • WTR 1000, 2016: Ranked Silver for Prosecution and Strategy
  • Legal 500 Asia Pacific Rankings 2015: Listed as a 'Recommended Individual'

Personal Interest