Consumer Products

Intellectual Property




LLM, Oxford Brookes University (by research)

LLM, Oxford Brookes University

LLB, Chiang Mai University

Wipaphat S. Trossel
Associate & Patent Agent
+66 2056 5740


Wipaphat S. Trossel is an associate and patent agent in the intellectual property team at Tilleke & Gibbins. She has expertise in the analysis and evaluation of patent applications, and in conducting patent searches with a distinct ability to formulate legal strategies and opinions using the qualitative techniques of doctrinal legal research.

Wipaphat has undertaken extensive research into the impact of key international legislation in the Southeast Asian region, specifically in terms of conflict studies and public policy law. Her diverse professional background and experiences also give her specific insights into the medical industry, its commercial demands, as well as legal requirements. She is thus well-positioned to serve Tilleke & Gibbins’ key clients in related fields.

  • Conducted patent and design searches on behalf of clients in a wide range of industries.
  • Drafted patent specifications to accurately capture novelty and inventiveness while ensuring the broadest possible protection.
  • Filed and successfully registered patents, petty patents, and designs with the Thai Department of Intellectual Property.
  • Represented clients in filing appeals, oppositions, and cancellations to strengthen and defend their valuable patents.