วิวรรธน์ จุมพลเดชาพันธ์

Professional Affiliations

•    Lawyer Council of Thailand
•    Notarial Service Attorney

Education

•    LL.B., Thammasat University

Profile

Wiwat began his legal career in 2021 and has experience across litigation, corporate, and commercial law. He started as a Litigation Paralegal at a Thai law office before becoming a Lawyer at Flash Express, where he represented the company in courts throughout Thailand.

He later served as an in-house legal advisor at a Chinese Telecommunication and Fiber-Optical Equipment distributor, advising on cross-border contracts, regulatory compliance, and business operations.

Since 2025, Wiwat has been an Associate at ONE Law, focusing on commercial and corporate matters including contract drafting, licensing, Long-Term Lease & Property Transactions, M&A, employment, Family law, and data protection. He is known for his pragmatic approach and ability to bridge legal considerations with business realities.

•    2025 – Present:    Associate at ONE Law Office
•    2024 – 2025:    Senior Associate at WSR Law Group
•    2023 – 2024:    Legal Advisor at FBH Technology (Thailand) Co., Ltd.
•    2022 – 2023:    Lawyer at Flash Express Co., Ltd.
•    2021 – 2022:    Litigation Paralegal at Public Attorney Co., Ltd.

Experience
Permit & Licensing
Advised and assisted corporate clients across various industries in obtaining business licenses, regulatory permits, and ensuring compliance with Thai investment and industrial regulations. Key representations include:
•    Assisted a food and beverage company in obtaining food and alcohol sale licenses for its retail and distribution operations.
•    Advised a steel cabinet manufacturer on securing an IEAT permit for its factory located within the Amata City Industrial Estate.
•    Provided legal advice to a telecommunications distributor on Foreign Business License (FBL) and BOI (Board of Investment) compliance matters.
•    Assisted a plastic packaging manufacturer in obtaining an IEAT permit for its factory in the Wellgrow Industrial Estate.

Long-Term Lease & Property Transactions
Represented local and international clients in real estate acquisitions and long-term lease transactions, providing legal support from due diligence through registration. Key representations include:
•    Advised and represented a client in the purchase of two condominium units in Bangkok, including title verification and registration.
•    Advised and represented a client in a long-term condominium lease transaction in Phuket, covering contract negotiation and registration.
•    Advised and represented a client in the registration of land and building transfer in Chachoengsao Province.

Litigation
Represented and advised corporate clients in a wide range of civil and labor disputes, focusing on strategic, efficient resolutions to protect client interests. Key representations include:
•    Represented a nationwide logistics company in multiple labor disputes, including claims of unfair termination, severance pay, and employee fraud.
•    Represented the company in various civil cases, including breach of contract, tort, and lease deposit claims.
•    Managed all stages of the litigation process, including drafting pleadings, coordinating evidence, negotiating settlements, and attending court hearings nationwide.