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Siam Trademark Associates

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Siam Trademark Associates
(A Division of Chaninat & Leeds)

Suite 10/154 Trendy Office Building,
Floor, Sukhumvit Road Soi 13
Klongtoey Nua, Vadhana
Bangkok, Thailand 10110

Tel: (662) 168 7001 (-3)
Fax: (662) 168 7004
Meet Us


Manager Joe Leeds: Joe is a licensed American lawyer and manager of Siam Trademark Associates. Joe's expertise includes Corporate Law, Intellectual Property and International Litigation. Joe has been a licensed attorney since 1987. Joe holds a B.A. from the University of Texas (1983) and a JD from the University of Houston Law Center (1986). He is licensed in the US Federal Courts and the state of Hawaii. Joe has published numerous scholarly articles concerning International Law.
Languages: English, Thai and Spanish.

Lawyer Chaninat Leeds:
Chaninat is a law professor at Sukhothai Thammathirat Open University as well as a licensed Thai barrister. She holds an LLB and an LLM from Chulalongkorn University. She is currently vice-dean and professor of law at Sukhothai Thammathirat University.
Languages: Thai and English.

Lawyer Chatchai Na Chiang Mai:
Chatchai is a licensed Thai lawyer and litigator with over 30 years of experience. Lawyer Chatchai specializes in Civil Litigation, Criminal and Administrative Law. He is an expert in litigation regarding intellectual property violations and has filed numerous cases in the Court of Intellectual Property and International Trade.
Languages: Thai and English.

Associate Lawyers

Lawyer Thakoon Chantararangsi: Lawyer Thakoon is a graduate from Thammasat University and he has over 10 years of experience in Thailand litigation. Lawyer Thakoon is also a licensed Thai barrister.
Languages: Thai and English.

Attorney Jiraporn Thongphong: Jiraporn graduated from Ramkhamhaeng University with a degree in law. She assists with the registration of trademarks and copyrights.
Languages: Thai and English

Lawyer Natcharee Lerdkijyanurak:
Lawyer Natcharee is a graduate of Thammasat University Faculty of Law. Lawyer Natcharee's expertise is in USA Visas and immigration law, company registration, divorce and family law.
Languages: Thai and English.

Lawyer Thidaporn Kornchudej:
Lawyer Thidaporn is a graduate of Thammasat University’s Faculty of Law. Thidaporn’s expertise is in Intellectual Property, including Trademarks, Patents and Copyrights.
Languages: Thai and English

Lawyers Assistants

Attorney Assistant Benjamas Chaiwong: Benjamas graduated from Chiang Mai University with a degree in law. She is a lawyer assistant and assists all Chaninat and Leeds lawyers with various cases, including Intellectual Property, visas and immigration, company registration and family law cases. She also provides assistance to the Accounting Department.
Languages: Thai and English

Accounting Natthawan Vananhirunkul: Natthawan is a bookkeeper and an administrator. She graduated with a bachelor’s degree in finance and banking from Dhurakit Bundit University. Furthermore, she has a diploma in accounting from Santirad Panichiyakarn.
Languages: Thai and English.