Piyawat Kayasit is a litigator in Tilleke & Gibbins’ intellectual property group in Bangkok. Piyawat has specialized in IP enforcement and dispute resolution for almost 20 years. He handles a wide range of IP and commercial litigation matters and advises on high-level strategies to protect his clients’ valuable IP rights. Piyawat has extensive experience in drafting and reviewing IP-related commercial contracts, as well as defending erroneous accusations concerning contractual and IP violations. He manages and protects the IP portfolios of many world-renowned companies.
Piyawat is a frequent writer on IP-related subjects, and he regularly speaks on IP at conferences and seminars. He is fluent in both Thai and English.
Represented a lock manufacturer in an overseas anti-counterfeiting campaign. Coordinated raids with local counsel and officials against factories, distributors, and retailers.
On behalf of large consumer products companies, well-known studios, and other international companies, secured successful outcomes from the Supreme Court in appeal cases from the Board of Trademarks.
Successfully defended a mobile phone manufacturer and a digital map company against copyright infringement claims.
Acted for a leading manufacturer of construction products in multiple disputes over a rebar patent. Convinced the police and the public prosecutor to drop the patent infringement charges and successfully cancelled the opposing party’s patent.
Provided advice to a sugar producer on trademark licensing issues with its former affiliates, helping them settle the matter out of court.
Advised pharmaceutical companies on compulsory licensing and assisted them in coordinating with government officers.
Awards & Rankings