You are using an outdated browser and your browsing experience will not be optimal. Please update to the latest version of Microsoft Edge, Google Chrome or Mozilla Firefox. Install Microsoft Edge

April 24, 2011

Firm Receives Tier 1 Rankings in Patent Prosecution and Patent Contentious

Managing Intellectual Property

On February 1, 2010, Managing Intellectual Property honored the firm’s IP practice with Tier 1 rankings in patent prosecution and patent contentious. The firm also received Tier 1 rankings in trademark prosecution and trademark/copyright contentious.

In addition, the firm was named Thailand IP Firm of the Year at an awards ceremony hosted by Managing IP in London on June 24, 2010. Alan Adcock, Partner and Deputy Director of the firm’s IP group, represented Tilleke & Gibbins at the event and received the award on the firm’s behalf. He stated, “The future of our firm’s strong IP practice will be built on cross-border strategy, aggressive litigation, and a holistic approach to managing and protecting intellectual assets in Southeast Asia and around the globe. Our attorneys are seasoned, entrepreneurial, and dedicated to serving our growing client base.”

Tilleke & Gibbins is proud to be recognized for its high-caliber IP practice. Our IP group helps creators strategically position, protect, and profit from intellectual assets in diverse markets worldwide. Our success on our clients’ behalf has led to global recognition as a leading IP practice in Thailand and Vietnam in independent surveys conducted by Managing IP, Asialaw Profiles, Chambers Asia, The Legal 500 Asia Pacific, Practical Law Co., World Trademark Review, Asia IP, Asian Legal Business, and others.

RELATED INSIGHTS​ 

September 12, 2025
The 2025/2026 edition of the IFLR1000 Asia-Pacific rankings, released by International Financial Law Review (IFLR), highlights Tilleke & Gibbins’ continued excellence in financial and corporate transactional work. The firm has maintained its strong rankings across multiple jurisdictions and practice areas while achieving notable upgrades and new recognitions, reaffirming its position as a leading firm in the Asia-Pacific region. This year, Tilleke & Gibbins received firmwide rankings in key jurisdictions, including: Thailand Banking & Finance—Tier 3 Capital Markets: Debt—Tier 3 Capital Markets: Equity—Tier 3 M&A—Tier 2 Project Development—Tier 2 Restructuring & Insolvency—Tier 3 Vietnam Banking & Finance—Tier 4 M&A—Tier 3 Project Development—Tier 3 Cambodia Financial & Corporate—Tier 2 Project Development—Tier 2 Laos Financial & Corporate—Tier 2 In addition to these firmwide rankings, Tilleke & Gibbins had several standout individual recognitions, with 12 lawyers honored in the 2025/2026 individual rankings—an increase from last year’s 10. This year’s results include upgraded rankings for John Frangos and new rankings for Charupat Boon-Long, Derrick Khoo, Prisna Sungwanna, and Saravut Krailadsiri. The full list is as follows: Charunun Sathitsuksomboon—Highly Regarded, M&A, Thailand; Women Leader Charupat Boon-Long—Rising Star, M&A, Thailand (new ranking) David Mol—Rising Star, Corporate and M&A, Cambodia Derrick Khoo—Rising Star (Partner), Financial and Corporate, Thailand (new ranking) Jay Cohen—Highly Regarded, Banking, Cambodia John Frangos—Highly Regarded, Restructuring & Insolvency, Thailand (upgraded ranking) Niti Muangkote—Rising Star, Financial & Corporate and Project Development, Laos; Highly Regarded, Banking & Finance, Thailand Prisna Sungwanna—Highly Regarded, Financial & Corporate, Laos (new ranking) Saithong Rattana—Notable Practitioner, Project Development and M&A, Laos Santhapat Periera—Highly Regarded, Banking & Finance and M&A, Laos; Highly Regarded, Banking & Finance, Thailand Saravut Krailadsiri—Notable Practitioner, Thailand (new ranking) Tram Ngoc Bich Nguyen—Highly Regarded, M&A, Vietnam To see the full set of IFLR1000 rankings for Tilleke & Gibbins’ jurisdictions, please see the Cambodia, Laos, Thailand, and Vietnam pages
September 3, 2025
Tilleke & Gibbins has been shortlisted for several major honors at the upcoming Managing IP Asia-Pacific Awards 2025, reflecting the firm’s exceptional intellectual property work across the region. The firm has been shortlisted for Asia-Pacific Firm of the Year (Domestic), a prestigious category that highlights regional leadership among Asia-headquartered firms. Tilleke & Gibbins has also been recognized in six firm-of-the-year categories: Cambodia Firm of the Year Indonesia Firm of the Year Thailand Patent Firm of the Year Thailand Trademark Firm of the Year Vietnam Patent Firm of the Year Vietnam Trademark Firm of the Year Managing Partner Darani Vachanavuttivong has also been nominated for Asia-Pacific Practitioner of the Year in recognition of her outstanding contributions to the intellectual property field. For more information on the Managing IP Asia-Pacific Awards 2025 and to browse a full list of the nominees, please see the Managing IP website.
September 3, 2025
Tilleke & Gibbins is honored to announce that the firm has been shortlisted for three prestigious categories at the Asialaw Awards 2025. This year’s shortlist reflects the outstanding work of the firm’s teams across Southeast Asia and highlights their ongoing commitment to delivering exceptional client service in the region. In the firmwide category, Tilleke & Gibbins was nominated for: Cambodia Firm of the Year Laos Firm of the Year In the individual category, Prisna Sungwanna was shortlisted for Laos Female Lawyer of the Year, joining an impressive field of nominees from other leading firms. The Asialaw Awards celebrate the most outstanding firms and lawyers across the Asia-Pacific region. The 2025 winners are set to be announced at an awards ceremony in Ho Chi Minh City in November. For more information on the Asialaw Awards 2025 and to browse a full list of the nominees, please visit the Asialaw website.