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Daroonwan Siripornanan



Daroonwan Siripornanan is an associate in Tilleke & Gibbins’ intellectual property group. She has 15 years of experience in local trademark assignment, merger, change of name, and withdrawal. An expert in the mechanics of these trademark actions, Daroonwan provides efficient, effective, and accurate service to international and domestic clients operating in all industries.

Daroonwan draws upon her fluency in Mandarin to serve Chinese clients doing business in Thailand. In 2012, she completed the “Development of Specialist in Trademark Registration” course at the Thai Department of Intellectual Property.


  • Worked closely with leading multinational companies to implement effective strategies for trademark portfolio management in Thailand and overseas.
  • Filed trademark applications and collaborated with officials at Thailand’s Department of Intellectual Property to ensure smooth registration processes for brand owners in a wide range of industries.
  • Represented clients in maintaining and defending their trademark portfolios through recordal of changes/assignments, oppositions, cancellations, renewals, registration of trademark and service mark license agreements, watch services, and other related actions.
ABOUT Daroonwan







    LLB, Thammasat University

    BA, Rajamangala Institute of Technology


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