Practice Areas


Litigation is our core practice to include providing litigation, Court proceedings and legal execution after the Court has made an Order especially in cases regarding business and commerce.

Permits & License

Applying and renewing permits & licenses for clients’ businesses. Annually, we apply and renew more than 4,000 permits & licenses.


Being the clients’ representative to meet labour inspectors, preparing business plans regarding labour laws and documents.

Corporate Law

Giving advice and proceeding on establishment and registration juristic person, conducting clients’ company secretary.

Intellectual Property

Preparing business plans regarding intellectual properties law (Copyright, Trademark, Patent and Performers’ rights).

Debt Collector

We represent client’s for debt collection and negotiation of commercial debts.

About the Firm

Founded in 2009 by the Partners having extensive experience in litigation and various practices for more than 20 years, DiamondLaw is a group of 23 lawyers, legal advisors and staffs graduated from leading universities in Thailand. They have been members of the Thai Bar Association and Lawyers’ Council. They have extensive experience in wide range of practices.

Almost a decade, we have had the opportunities to represent and provide our services to many well-known clients who have been the leaders in their businesses.

Our goal is to ensure that clients will be served with efficient legal services.

Firm Partners

rungroj ditsabanchong

Rungroj had worked as inhouse lawyer for international companies in automobile, and also modern trade. He has extensive experience in commercial litigation and giving broad range of legal advice to local and international business operators, viz. business planning, compliance, dispute resolution, commercial contract, commercial debt collection, intellectual property, partnership and company, labour, and real estate.

banyawat pimar

Banyawat has worked for various law firms handling complex litigations for 19 years. He is our partner and head of litigation services team handling salient cases of the firm. He has extensive experience and has represented clients as litigator in all stages of arbitration and litigation, viz. police, public prosecutor, and court, and in wide range including commercial, partnership and corporate, family, labour, real estate, administra- tive, criminal cases such as embezzle- ment and fraud.

Kodchaporn Susanhakanok

Kodchaporn was in-house counsel of private and public international retail companies where he gained both experience and knowledge in terms of legal and business aspects prior to joining us. He is now our head of consultancy team advising and assisting both foreign and domestic clients on foreign direct investment, BOI, real estate, corporate, intellectual property, contract, labour, and dispute resolution in relation to international trade and others.


Bongkot has dedicated himself to pro bono legal services of Lawyer’s Council of Thailand for many years by which he was nominated by the Ministry of Justice and awarded the Royal Medals for Services to the Nation during the reign of King Rama IX in 2011 He is the head of litigation services team focusing on litigations related to commercial business, debt recovery, wrongful acts (torts), and labour.

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