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HOME > Our People > ASSOCIATES > JEFFREY CHIEN-YU, LONG龍建宇
SENIOR ATTORNEY

JEFFREY CHIEN-YU, LONG龍建宇
  • - Civil and Criminal Litigation
  • - Maritime, Shipping and Insurance Matters
  • - Corporate and Commercial Matters
  • - Employment and Labor Law
  • - International Commercial Arbitration
  • - Antitrust and Fair Trade
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LL.M., Columbia Law School, New York, U.S.
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LL.M., National Yan Ming Chiao Tung University, Institutional of Technology Law, School of Law, Hsinchu, Taiwan.
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LL.B., Soochow University, School of Law, Taipei, Taiwan

- Taipei Bar Association
- Fellow, Charted Institute of Arbitrators.

  • - Senior Associate, Formosa Transnational Attorneys at Law
    Jun., 2024-Aug, 2024; Apr., 2026-present
  • - Montgomery McCracken Walker & Rhoads LLP, New York
    Aug., 2025-Mar.2026
  • - Attorney, Formosa Transnational Attorneys at Law
    Jul., 2021-May, 2024
  • - Intern Attorney, Formosa Transnational Attorneys at Law
    Feb., 2021-Jun., 2021
  • - Executive Editor, Plain Law Movement
    2015-2019
【English Publications】
  1. Jeffrey, Chien-Yu Long, A Comparative Analysis of the Enforcement of Multi-tier Dispute Resolution Clauses, American Review of International Arbitration, available at https://aria.law.columbia.edu/a-comparativeanalysis-of-the-enforcement-of-multi-tier-dispute-resolution-clauses/ (2025).
  2. Jeffrey, Chien-Yu Long, Issues Relating to Non-Signatories in International Arbitration: A Comparative Analysis of Three Recent Landmark Cases, American Review of International Arbitration, available at https://aria.law.columbia.edu/issues-relating-to-non-signatories-in-international-arbitration-a-comparativeanalysis-of-three-recent-landmark-cases/ (2025).
  3. Chien-Yu, Lung, Violation of Mediators’ Duties as a Ground of Non-Enforcement under the Singapore Convention, 13(2) Contemporary Asian Arbitration Journal 435 (2020).
  4. Delphine Chen, Jeffrey Long, Global Freezing Order Guide, Eversheds Sutherland blog (2024), available at https://ezine.eversheds-sutherland.com/global-freezing-order-guide/taiwan.
  5. Jackson Shuai-Sheng Huang, Monica Wang, Chia-Hsin Wu, Jeffrey Chien-Yu Long, International Arbitration 2023 (Q&A) Taiwan, Chambers and Partners (2023).
  6. Expert Opinion for Asian Human Rights Court Simulation, Chiou Ho-Shun v. The Republic of China, submitted by Lin Chih-Chieh, Chin Mong-Hwa, Lung Chien-Yu (2019).
【Mandarin Publication】
  1. Monica Wang & Chien-Yu Long, Allocation of Cost in International Arbitration, 32 Contemporary Law Journal 126 (2024).
  2. Monica Wang & Chien-Yu Long, Recognition and Enforcement of Foreign Arbitral Awards, 28 Contemporary Law Journal 160 (2024).
  3. Monica Wang & Chien-Yu Long, Rules of Evidence in International Arbitration, 22 Contemporary Law Journal 190 (2023).
  4. Chien-Yu Long, An Overview of Fintech Development in Singapore, 248 Formosa Law Journal 18 (2023).
  5. Monica Wang & Chien-Yu Long, The Composition of Arbitral Tribunals in International Arbitration, 16 Contemporary Law Journal 140 (2023).
  6. Monica Wang & Chien-Yu Long, Jurisdictional Issues in International Arbitration and the Doctrine of Competence-Competence, 10 Contemporary Law Journal 172 (2022).
  7. Monica Wang & Chien-Yu Long, Applicable Law in International Arbitration, 7 Contemporary Law Journal 189 (2022).
  8. Monica Wang & Chien-Yu Long, Online Arbitration and Due Process, 4 Contemporary Law Journal 188 (2022).
  9. Chien-Yu Long & Luke Hung-Yu Chuang, Possible Application and Challenges of Artificial Intelligence in Judicial Practice, 62 National Chung Cheng University Law Journal 43 (2019) (TSSCI).
  10. Yu-Wen Li & Chien-Yu Long, Conflict and Harmonization between Southeast Asian Countries’ Steel Certification Measures and Obligations under the TBT Agreement, 28 Trade Policy Journal of Taiwan 75 (2017).