ES Counsel

Senior Partner

Weerayuth Sajjaphanroj, a senior partner at ES COUNSEL, brings over three decades of experience in navigating complex commercial and intellectual property litigation. With a robust career spanning key roles at esteemed law firms such as SCL Law Group, International Legal Counsellors Thailand Ltd. (ILCT), as well as stints at Bangkok Bank and the Ministry of Finance, Weerayuth has cultivated a reputation as a seasoned legal advisor.

His expertise spans an array of legal domains including IT & telecommunications, intellectual property, arbitration, labor, insurance, banking, administrative law, bankruptcy, and taxation. In the realm of IT & Telecommunications, he has effectively represented leading companies in concession agreement disputes and administrative lawsuits. Within Intellectual Property, he has successfully defended multinational corporations in patent disputes and cases of trademark infringement.

Weerayuth's proficiency extends to arbitration, where he has advocated for clients across various industries. His litigation acumen encompasses a wide spectrum of matters including labor disputes, insurance claims, banking litigation, administrative lawsuits, bankruptcy proceedings, and tax disputes.

Notable highlights of his career include representing multinational corporations in significant restructuring proceedings and effectively resolving disputes pertaining to double taxation conventions and expense recognition. With a steadfast commitment to offering strategic legal counsel, coupled with his extensive track record, Weerayuth stands as a highly sought-after litigator within Thailand's legal landscape.

English, Thai

Thai Bar Under the Royal Patronage

Intellectual Property Association of Thailand (IPAT)

Law Association for Asia and the Western Pacific (LAWSIA)

Thammasat University, Master of Laws (LL.M.)

Ramkhamhaeng University, Bachelor of Laws (LL.B.)