The Legal 500

Twitter Logo Youtube Circle Icon LinkedIn Icon
Work +66 2 264 8000
Fax +66 2 657 2222

Weerawong Chittmittrapap

Work +662 264 8000
Weerawong, Chinnavat & Partners

Work Department



Senior Partner


Weerawong Chittmittrapap is widely recognised as one of Thailand's most experienced lawyers in banking and finance, capital markets, corporate governance, mergers and acquisitions and public-private partnerships for the development of major infrastructure projects in Thailand. He is renowned for advising clients on strategic transactions, including some of the largest mergers and acquisitions in Southeast Asia to date. Weerawong is the author of books on directors’ roles, duties, and responsibilities for the Bank of Thailand, the Securities and Exchange Commission and the Stock Exchange of Thailand, and was retained by the World Bank for the preparation of the Corporate Governance Country Assessment of the Kingdom of Thailand.


English, Thai


New York State Bar Association, 1992
(First Thai Lawyer to be admitted)

Thai Bar Association, 1981


Outstanding Alumnus, Faculty of Law, Chulalongkorn University, Thailand, 2013

LL.M., University of Pennsylvania, United States, 1992

LL.B., Chulalongkorn University, Thailand, 1979


Banking and finance

Within: Banking and finance

Weerawong, Chinnavat & Partners focuses on particularly high-value transactions in the areas of acquisition and project finance. The firm has a well-established roster of Thai corporate clients, many of which it assists with the corporate and financing aspects of their acquisition and investment activities abroad. Passawan Navanithikul, who has a proven track record in large financing transactions, recently advised ThaiBev on the financing aspects of its acquisition, through affiliated company Vietnam Beverage, of Vietnam's Sabeco Brewery. In the project finance space, Nattaporn Pengkul took the lead role in advising a wind power developer and operator on the THB37bn financing for five onshore wind farms; associate Pimkwan Subprasert worked alongside Pengkul on the project. Also of note is the team's lender-side work, where it has developed strong relationships with leading banks in Thailand and throughout the region. Weerawong Chittmittrapap is also recommended. Chinnavat Chinsangaram has left the firm to work at the Public Legal Aid Foundation.

[back to top]

Corporate and M&A

Within: Leading individuals

Weerawong Chittmittrapap - Weerawong, Chinnavat & Partners

Within: Corporate and M&A

The highly regarded corporate and M&A department at Weerawong, Chinnavat & Partners has played a role in some of the largest corporate deals in Thailand and throughout the region. Recently, this has included advising ThaiBev on the acquisition by Vietnam Beverage (an associated company of ThaiBev) of a 53.6% stake in Sabeco Brewery, and also acting for PTTEP in relation to its acquisition of a 22.2% stake in the Bongkot project from Royal Dutch Shell; the latter deal increased PTTEP's overall stake to a majority shareholding. On the sell side, Panuwat Chalongkuamdee advised Rexel on the disposal of its Southeast Asia operations to private equity firm American Industrial Acquisition Corporation. Further, the firm's knowledge of acquisition financing, environmental law, competition and IP allows it to provide comprehensive service from the initial stages of a transaction to post-acquisition issues. Renowned senior partners Weerawong Chittmittrapap and Veeranuch Thammavaranucupt jointly head the corporate department. Sunyaluck Chaikajornwat and Samata Masagee are also among the team's leading practitioners. Chinnavat Chinsangaram has left the firm to work at the Public Legal Aid Foundation.

[back to top]

Projects and energy

Within: Projects and energy

Noted for its ‘broad knowledge’, ‘diligence’ and ‘commitment’, Weerawong, Chinnavat & Partners has established itself as a go-to firm for PPPs in Thailand. The group has seen significant growth in recent years, and it expanded at the associate level in 2017 in response to the high level of demand from its clients, which include public and private sector companies. The Port Authority of Thailand is one of its key clients; the firm has been engaged by it to advise on 14 PPP projects. For the Department of Highways, it has been providing ongoing advice on a major motorway project; the team’s role includes drafting and revising the client's project agreements, negotiating with private entities and assisting on the drafting of bidding documents. Beyond infrastructure projects, the team has also handled numerous energy and telecoms projects in the country. On the lender side, the department has established relationships with some of Thailand’s biggest banks, as well as international financial institutions. The ‘highly influential’ Weerawong Chittmittrapap has ‘excellent cooperation, communication and negotiation skills’. Passawan Navanithikul is noted for her ‘effective and prompt responses’ and ‘service-minded approach’. Senior associate Jirapat Thammavaranucupt is also highly recommended. Nattaporn Pengkul is a key contact for project finance. Chinnavat Chinsangaram has left the firm to work at the Public Legal Aid Foundation.

[back to top]

Real estate and construction

Within: Real estate and construction

Weerawong, Chinnavat & Partners handles a range of real estate, engineering and construction projects, and with a full-service offering, it is able to draw on the expertise of its capital markets, banking and M&A lawyers to provide a well-rounded service to its real estate clients. Weerawong Chittmittrapap and Panuwat Chalongkuamdee acted for Dusit Thani Group on a joint venture mixed-use real estate development project which will include residences, retail and office spaces and a large green space. The firm’s contentious practice is of particular note; combining its real estate expertise with its top-tier litigation capabilities, it is able to take on complex construction disputes, including arbitration and administrative court proceedings. Real estate M&A also features. Corporate and capital markets specialist Khemajit Choomwattana is another member of the team and has a prominent practice in property funds and REITs. Chinnavat Chinsangaram has left the firm to work at the Public Legal Aid Foundation.

[back to top]

Restructuring and insolvency

Within: Leading individuals

Weerawong Chittmittrapap - Weerawong, Chinnavat & Partners

Within: Restructuring and insolvency

With comprehensive knowledge of bankruptcy, insolvency and restructuring processes, Weerawong, Chinnavat & Partners is home to one of the busiest restructuring practices in the country. Its senior litigators have significant experience in high-value and complex cases, and the group is also equipped to handle out-of-court restructurings. The co-heads of the team illustrate its multi-disciplinary nature: Suntus Kirdsinsap has a broad litigation practice, with over 30 years of experience representing companies in myriad industries. In ongoing work, a team led by Weerawong Chittmittrapap is representing a telecoms company in its debt reorganisation, which has involved over $2bn owed to onshore and offshore creditors and created over 20 civil and criminal cases. Litigator Sakchai Limsiripothong is another leading practitioner in the group. At the senior associate level, Natthida Pranutnorapal has accumulated significant experience in this field. Chinnavat Chinsangaram has left the firm to work at the Public Legal Aid Foundation.

[back to top]


Within: TMT

Weerawong, Chinnavat & Partners’ extensive telecoms-sector experience is underpinned by the firm’s market-leading corporate, litigation and finance practices, ensuring strong workflows in this area. The TMT group also counts media and entertainment companies among its clients and has developed an active fintech practice, where it provides advice to multinational technology companies on Thailand’s regulatory environment. Telecoms service provider Jasmine International is a significant client; in recent work, Passawan Navanithikul assisted it on a THB8.5bn facility granted by The Siam Commercial Bank to be used for refinancing and on-lending to its group companies. In M&A, a team led by senior partner Weerawong Chittmittrapap acted for an investment company in the purchase of 50% of the total shares of a media and TV company. On the contentious side, highlights included Rapinnart Prongsiriwattana’s filing of a successful motion to lift an injunction against assets of a mobile operator, another of the firm’s key clients. The department is co-led by telecoms expert Veeranuch Thammavaranucupt and Samata Masagee, who has an impressive track record in corporate transactions for TMT companies.

[back to top]

Back to index

Legal Developments in Thailand

Legal Developments and updates from the leading lawyers in each jurisdiction. To contribute, send an email request to