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June 4, 2014

IAM Patent 1000: Tilleke & Gibbins Ranked in “Gold Band” for Thailand

Intellectual Asset Management

For the second year in a row, Tilleke & Gibbins has been ranked as a “Gold Band” firm in Thailand by IAM Patent 1000 – The World’s Leading Patent Practitioners 2014, due to the outstanding nature of its patent practice. Firms that are placed in the “Gold Band” are described by IAM Patent 1000 as being “the crème de la crème” or “the best of its kind.”

In addition to this prestigious ranking, the following four Tilleke & Gibbins lawyers were listed as “Recommended Individuals” for their “exceptional skill sets and profound insights into patent matters,” with the editorial offering the following comments:

  • Alan Adcock. “On the transactional front, the effervescent Alan Adcock leads the way. A fluent Mandarin speaker known for his attentive service, Adcock brokers patent-centric deals whose impact is felt across Southeast Asia.”
  • Darani Vachanavuttivong. “The prosecution practice is deftly steered by IP group managing director Darani Vachanavuttivong, a celebrated name in Thai IP circles. She has secured watertight protection for clients’ keystone inventions in often challenging jurisdictions such as Vietnam, Cambodia, Laos, and Myanmar.”
  • Nandana Indananda. “Formerly a judge of the Central Intellectual Property and International Trade Court, Nandana Indananda is now a top-flight patent litigator who ‘never disappoints in terms of the quality of his representation’.”
  • Srila Thongklang. “Another gifted advocate, Srila Thongklang has long scored important victories for pharmaceutical originators.”

These rankings are based on feedback obtained following an extensive research process conducted over five months by Intellectual Asset Management’s researchers and analysts, who carried out over 1,500 telephone interviews with attorneys-at-law, patent attorneys, and in-house counsel. IAM Patent 1000 is a standalone publication that identifies individual and firm expertise in all major areas of patent law and practice around the globe.

For more information, please visit the IAM Patent 1000 website.

RELATED INSIGHTS​ 

July 16, 2026
Tilleke & Gibbins is pleased to announce that two of the firm’s leading intellectual property practitioners have been recognized in the Managing IP Top 250 Women in IP 2026 rankings. Darani Vachanavuttivong, managing partner and managing director of the firm’s intellectual property department, and Wongrat Ratanaprayul, head of the Tilleke & Gibbins’ office in Jakarta, were both selected for inclusion in this year’s list, which highlights outstanding female IP professionals from around the world who have demonstrated exceptional expertise, leadership, and contributions to the profession. Darani continues to be the only lawyer in Thailand included in the ranking, underscoring her longstanding reputation as one of the country’s foremost intellectual property practitioners. Wongrat is one of only three lawyers in Indonesia recognized in this year’s edition. The Managing IP Top 250 Women in IP ranking recognizes leading female intellectual property lawyers worldwide based on their expertise, professional achievements, and contributions to the development of intellectual property practice. To read the announcement and view the full Top 250 Women in IP 2026 list, please visit the Managing IP website.
June 11, 2026
A total of 11 Tilleke & Gibbins intellectual property practitioners have been recognized in World Trademark Review‘s WTR Global Leaders 2026, an exclusive ranking of the world’s top trademark professionals. This marks an increase from eight practitioners in 2025 and highlights the strength and depth of the firm’s IP team across Southeast Asia. The firm’s recognized practitioners are: Cambodia David Mol Sokmean Chea Indonesia Wongrat Ratanaprayul (New ranking) Myanmar Yuwadee Thean-ngarm Thailand Alan Adcock Darani Vachanavuttivong Somboon Earterasarun Suebsiri Taweepon (New ranking) Nuttaphol Arammuang (New ranking) Vietnam Linh Thi Mai Nguyen Loc Xuan Le WTR Global Leaders draws on research from the WTR 1000 and WTR 300 to identify the very best trademark practitioners worldwide, bringing together a select group of professionals recognized for their expertise, insight, and contributions to the field. The full list of ranked individuals in the private practice category can be viewed here.
June 10, 2026
Tilleke & Gibbins was again recognized as a top-tier intellectual property law firm in Southeast Asia in the 2026 edition of Managing Intellectual Property’s IP Stars rankings Firm Rankings In this year’s firm rankings, Tilleke & Gibbins secured the following positions: Cambodia General IP – Recommended (top tier awarded for this category) Indonesia Patent – Tier 2 Trademark – Tier 2 Thailand Patent – Tier 1 Trademark – Tier 1 Vietnam Patent – Tier 1 Trademark – Tier 1 Individual Rankings In addition to the firm rankings, 12 Tilleke & Gibbins lawyers were recognized individually as IP Stars: Cambodia David Mol – Rising Star Sokmean Chea – Rising Star Indonesia Rochmali Zultan – Rising Star Wongrat Ratanaprayul – Patent Star, Trademark Star Thailand Alan Adcock – Patent Star, Trademark Star Darani Vachanavuttivong – Patent Star, Trademark Star Kasama Sriwatanakul – Rising Star Sukontip Jitmongkolthong –Trademark Star Vietnam Linh Duy Mai – Rising Star Linh Thi Mai Nguyen – Trademark Star Loc Xuan Le – Patent Star, Trademark Star Trung Nguyen – Trademark Star The annual IP Stars rankings are based on extensive independent research, including client and peer feedback, market analysis, and recent case highlights. For more information and to browse the full rankings, please see the IP Stars website.
June 4, 2026
Tilleke & Gibbins has reinforced its position as one of Southeast Asia’s leading patent practices in the newly released IAM Patent 1000 2026, earning top-tier firm rankings in Indonesia, Thailand, and Vietnam, alongside 23 individual recognitions across the region. The firm achieved Gold rankings in Thailand and Vietnam and a Highly Recommended ranking in Indonesia—the highest tier available in the jurisdiction—highlighting the strength and consistency of its regional patent practice. This marks the firm’s 14th consecutive year in the top tier for Thailand, seventh consecutive year for Vietnam, and third straight year ranked among Indonesia’s leading firms. The firm’s strong regional performance is further reflected in the individual rankings, with the following Tilleke & Gibbins practitioners recognized for their expertise in patent law: Indonesia Irene Djalim Melinda Ambrizal Wongrat Ratanaprayul Thailand Alan Adcock Atthachai Homhuan Darani Vachanavuttivong Jakkrit Kuanpoth Napagate Triratana Nattriya Supmoon Nuttaphol Arammuang Peeyakorn Suparugbundit San Chaithiraphant Somboon Earterasarun Suebsiri Taweepon Sukontip Jitmongkolthong Wong Vorravitwattana Vietnam Dat Thanh Nguyen Giang Hoang Bach Hien Thi Thu Vu Hung Tuan Nguyen Linh Duy Mai Loc Xuan Le Thanh Phuong Vu The IAM Patent 1000 identifies the world’s leading patent firms and practitioners through extensive qualitative research based on feedback from clients, peers, and industry stakeholders. For more details, please see the IAM Patent 1000 rankings for Indonesia, Thailand, and Vietnam.