離職後競業禁止條款係企業為保護營業秘密、核心技術、客戶關係及競爭優勢所常用之法律工具，惟其同時限制勞工離職後之職業選擇自由與勞動流動性，涉及憲法保障之工作權與職業自由，故其效力認定向來為重要議題。隨著高科技產業快速發展，企業對關鍵技術與人才流失風險日益重視，而近年美國聯邦與各州對競業禁止條款之規範亦出現重大變革，使其合理性與限制再次受到廣泛關注。
我國於2015年增訂勞動基準法第9條之1，明文化離職後競業禁止條款之四項有效要件，包括雇主具有應受保護之正當營業利益、勞工職務得接觸或使用營業秘密、限制範圍未逾合理範疇，以及雇主提供合理補償。實務上法院對各要件之認定亦逐漸發展出具體審查標準。因此，本文以我國離職後競業禁止條款之司法實務為研究核心，並以美國法制發展作為比較研究對象，探討競業禁止條款之合理性及適用界限設計方向。
本文認為，我國現行制度已建立競業禁止條款之基本審查架構，惟仍有進一步明確適用對象及加強程序保障之空間。鑑於美國近年競業禁止法制歷經聯邦政策推動、州法改革及司法審查之持續演進，形成多元且具代表性之規範模式，對於平衡企業營業利益與勞工職業自由具有豐富之比較法經驗，足資我國制度改革之參考。因此，參酌美國法制，未來應兼顧企業營業秘密保護、勞工職業自由、人才流動及產業創新發展之需求，以建構更具平衡性與可預測性之競業禁止法制。

The non-compete clause after termination is a legal tool commonly used by companies to protect trade secrets, core technologies, customer relationships, and competitive advantages. However, it also restricts workers' freedom of occupational choice and labor mobility after leaving a job, which involves constitutional protections regarding the right to work and occupational freedom. Therefore, the determination of its effectiveness has always been an important issue. With the rapid development of the high-tech industry, companies are increasingly concerned about the risks of losing key technologies and talent. In recent years, significant changes have also occurred in the regulations regarding non-compete clauses at both the federal and state levels in the United States, leading to renewed scrutiny of their reasonableness and limitations.
In 2015, our country amended Article 9-1 of the Labor Standards Act to clarify four essential elements for the validity of non-compete clauses after termination: (1) the employer must have legitimate business interests that deserve protection; (2) the worker's position may have access to or use of trade secrets; (3) the scope of the restriction must not exceed reasonable limits; and (4) the employer must provide reasonable compensation. In practice, courts have also gradually developed specific review standards for each element. Therefore, this article focuses on the judicial practice of non-compete clauses in our country, using the development of U.S. law as a comparative study to explore the limits of reasonableness and the design direction of the system.
This study concludes that Taiwan's current legal framework has established the basic criteria for reviewing the enforceability of post-employment non-compete agreements. However, there remains room to further clarify the scope of their application and strengthen procedural safeguards. Given that the United States has recently undergone significant developments in its regulation of non-compete agreements through federal policy initiatives, state legislative reforms, and judicial decisions, it has developed diverse and representative regulatory models that provide valuable comparative insights into balancing employers' legitimate business interests with employees' freedom of occupation. Drawing on the U.S. experience, this study suggests that future reforms in Taiwan should strike an appropriate balance among the protection of trade secrets, employees' occupational freedom, labor mobility, and industrial innovation, thereby establishing a more balanced and predictable legal framework governing post-employment non-compete agreements.

一、中文文獻
專書
詹森林（2007），競業禁止與保密條款契約實務，二版，臺北：經濟部智慧財產局。
馮震宇（1997），瞭解營業秘密法：營業秘密法的理論與實務，臺北：永然。
林洲富（2021），案例式營業秘密與競業禁止：案例式，四版，臺北：五南。
王偉霖（2023），營業秘密法理論與實務，四版，臺北：元照。
林更盛（2009），論契約控制：從Rawls的正義理論到離職後競業禁止條款的控制，臺北，翰蘆。
黃三榮、林發立、郭雨嵐、張韶文（2002），營業秘密：企業權益之保護，初版，臺北：萬國法律基金會。
期刊論文
李建良（2000），競業禁止與職業自由，台灣本土法學雜誌，第15期。
林更盛（2006），定型化離職後競業禁止約款的審查—評最高法院九四年台上字第1688號判決，台灣本土法學雜誌，第87期。
郭玲惠（2003），勞工保密義務於競業禁止條款之法律意義，萬國法律，第131期。
林更盛（2009），離職後競業禁止條款的控制：是否給予勞方適當的補償，全國律師，第13卷第2期。
林發立（2004），競業禁止近期實務見解再釐清，萬國法律，第137期。
碩士論文
王曼瑜（2015），臺灣與英國離職後競業禁止條款之比較法研究-以有效性判斷標準與代償措施之研究為中心，國立臺灣大學法律學院法律學系碩士論文。
何宗霖（2011），我國與日本勞工離職後競業禁止條款效力之比較法研究，國立臺灣大學法律學院法律學系碩士論文。
其他
行政院勞工委員會勞資關係處（2003），簽訂競業禁止參考手冊，初版，臺北行政院勞工委員會。

二、英文文獻
期刊論文
Barnett, J. M., & Sichelman, T. (2020). The case for noncompetes. The University of Chicago Law Review, 87, 953–1049.
Blake, H. M. (1960). Employee agreements not to compete. Harvard Law Review, 73, 625–691.
Eckhardt, C. (2024). A major question for administrative law: How are courts applying the major questions doctrine post West Virginia v. EPA? Catholic University Law Review, 73, 570–613.
Fisk, C. L. (2001). Working knowledge: Trade secrets, restrictive covenants in employment, and the rise of corporate intellectual property, 1800–1920. Hastings Law Journal, 52, 441–535.
Gilson, R. J. (1999). The legal infrastructure of high technology industrial districts: Silicon Valley, Route 128, and covenants not to compete. New York University Law Review, 74, 575–629.
Marx, M., Strumsky, D., & Fleming, L. (2009). Mobility, skills, and the Michigan non-compete experiment. Management Science, 55(6), 875–889.
Starr, E. (2026). The economics of noncompete clauses. Journal of Economic Perspectives, 40(1), 139–166. https://doi.org/10.1257/jep.20251457
研究報告
Andrews, D., & Garnero, A. (2025). Five facts on non-compete and related clauses in OECD countries (OECD Economics Department Working Papers No. 1833). OECD Publishing.
Starr, E. (2019). The use, abuse, and enforceability of non-compete and no-poach agreements: A brief review of the theory, evidence, and recent reform efforts. Economic Innovation Group.
U.S. Department of Justice, & Federal Trade Commission. (2025). Antitrust guidelines for business activities affecting workers.
U.S. Department of the Treasury, Office of Economic Policy. (2016). Non-compete contracts: Economic effects and policy implications.
U.S. Government Accountability Office. (2023). Noncompete agreements: Use is widespread to protect business’ stated interests, restricts job mobility, and may affect wages (GAO-23-103785).
White House. (2016). Non-compete agreements: Analysis of the usage, potential issues, and state responses.
White House. (2016). Non-compete reform: A policymaker’s guide to state policies.
White House. (2016). State call to action on non-compete agreements.
網路資料
Federal Trade Commission. (2024, April 23). FTC announces rule banning noncompetes.from:https://www.ftc.gov/news-events/news/press-releases/2024/04/ftc-announces-rule-banning-noncompetes
Federal Trade Commission. (2025, September 4). FTC takes action to protect workers from noncompete agreements. from: https://www.ftc.gov/news-events/news/press-releases/2025/09/ftc-takes-action-protect-workers-noncompete-agreements
Federal Trade Commission. (2025, September 5). Federal Trade Commission files to accede to vacatur of non-compete clause rule. from: https://www.ftc.gov/news-events/news/press-releases/2025/09/federal-trade-commission-files-accede-vacatur-non-compete-clause-rule
Federal Trade Commission. (2025, September 10). FTC chairman Ferguson issues noncompete warning letters to healthcare employers and staffing companies.from:https://www.ftc.gov/news-events/news/press-releases/2025/09/ftc-chairman-ferguson-issues-noncompete-warning-letters-healthcare-employers-staffing-companies
Frost Brown Todd LLP. (2024, May 15). The non-compete agreement landscape in 2025.from:https://frostbrowntodd.com/the-non-compete-agreement-landscape-in-2025/
Holland & Knight LLP. (2024, April). Don’t fret (yet): Trade secrets, NDAs and non-solicits remain viable tools to protect confidential information. from: https://www.hklaw.com/en/insights/publications/2024/04/dont-fret-yet-trade-secrets-ndas-and-non-solicits
New York State Office of the Attorney General. (2024, March 29). Attorney General James and multistate coalition secure agreement with Valvoline to end use of noncompete agreements for hourly workers nationwide. from: https://ag.ny.gov/press-release/2024/attorney-general-james-ends-unfair-labor-practices-major-auto-services-company
Pearlman, S. J., & Gartner, J. R. (2023). Advanced notice: Continuing trends in state restrictive covenant legislation. Proskauer Rose LLP. from: https://www.proskauer.com/pub/advanced-notice-continuing-trends-in-state-restrictive-covenant-legislation
Szocka, A. (2022, October 17). Illinois Freedom to Work Act—New restrictions on non-compete agreements. Law Office of Andrew Szocka, P.C. from: https://szocka.com/illinois-freedom-to-work-act-new-restrictions-on-non-compete-agreements/