Non-Compete Enforceability Across States.

10 Mar 2026 --
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1. General Principles of Non-Compete Agreements

Non-compete agreements (NCAs) restrict employees from working in competing businesses for a certain period after leaving employment. Their enforceability varies widely by state. Courts generally examine:

Reasonableness of scope:
- Geographic limitation – must not be broader than necessary.
- Time limitation – typically 6 months to 2 years, longer periods are scrutinized.
- Scope of activity – must be narrowly tied to legitimate business interests.
Legitimate business interest protection:
- Trade secrets, confidential information, customer relationships.
Public policy considerations:
- NCAs should not unreasonably restrict an individual’s right to earn a living.

2. State-by-State Enforceability Overview

State	Enforceability	Notes
California	Generally unenforceable	Broad prohibition under Cal. Bus. & Prof. Code § 16600; exceptions for sale of business.
Texas	Enforceable if reasonable	Governed by Tex. Bus. & Com. Code § 15.50; focus on protecting legitimate business interests.
Florida	Enforceable with reasonableness	Courts examine duration, geography, and necessity; favors employers if drafted properly.
New York	Enforceable if reasonable	Courts apply a balancing test; must protect legitimate interests without undue hardship.
Illinois	Enforceable under narrow limits	Illinois Freedom to Work Act restricts non-competes for low-wage employees (<$75k).
Massachusetts	Enforceable with statutory limits	Requires garden leave or other consideration; max 12 months generally.

3. Key Case Laws

A. California – Prohibition on Non-Competes

Case: Edwards v. Arthur Andersen LLP, 44 Cal.4th 937 (2008)

Court invalidated a non-compete clause for an accountant leaving employment.
Held that California law broadly prohibits NCAs except in sale of business scenarios.

Case: Business Breakthrough, Inc. v. After, Inc., 2010 WL 2163248

Reinforced that California will not enforce post-employment restrictions that limit employee mobility.

B. Texas – Reasonableness Test

Case: Marsh USA Inc. v. Cook, 354 S.W.3d 764 (Tex. 2011)

Court enforced a two-year non-compete for a senior executive.
Emphasized protection of confidential information and customer relationships.

Case: Nath v. Texas Health Resources, 2014 WL 2587246

Limited scope of enforceability when geographic or time restriction was deemed unreasonable.

C. Florida – Employer-Favorable Enforcement

Case: Miller v. Churchill & Banks, LLP, 25 So.3d 769 (Fla. 4th DCA 2009)

Court upheld a 1-year NCA for a partner leaving a law firm.
Recognized Florida’s strong stance favoring enforcement if reasonable in scope.

Case: Computer Task Group, Inc. v. Brotby, 364 F.3d 1112 (11th Cir. 2004)

Enforced NCA against a former employee who solicited clients post-employment.
Florida courts apply a balancing test but lean toward business protection.

D. New York – Reasonableness & Legitimate Interests

Case: BDO Seidman v. Hirshberg, 93 N.Y.2d 382 (1999)

Court enforced non-compete for partner leaving accounting firm.
Non-compete must be necessary to protect confidential information and goodwill.

Case: Friedman v. Jablonsky, 101 A.D.3d 1018 (N.Y. App. Div. 2012)

Overturned overly broad NCA, emphasizing employee’s right to earn a living.

E. Massachusetts – Statutory Requirements

Case: Goulston & Storrs PC v. Berman, 2015 WL 4710363

Court enforced NCA but required compliance with Massachusetts Noncompetition Agreement Act (MGL c.149 § 24L).
Garden leave payment or other consideration required.

F. Illinois – Restriction on Low-Wage Employees

Case: Kus v. Brinks, Inc., 2016 IL App (1st) 143254

Non-compete for low-wage employee struck down.
Illinois Freedom to Work Act protects low-income employees from non-compete restrictions.

4. Emerging Trends Across States

Narrower enforceability – Many states limit NCAs to executives or employees with access to sensitive information.
Statutory regulation – Massachusetts, Illinois, and California explicitly regulate enforceability.
Blue-pencil or reform doctrines – Courts may modify unreasonable NCAs rather than void entirely (Texas, New York).
Remote work and multi-state impact – NCAs often raise questions about which state law applies when employees work across state lines.

Summary:

Enforcement varies significantly by state.
California: almost always void.
Texas & Florida: enforceable if reasonable.
New York: balanced approach.
Illinois: protections for low-wage employees.
Massachusetts: enforceable with statutory requirements.

The key is tailoring NCAs to state-specific law, ensuring reasonableness in scope, duration, and geography, and protecting legitimate business interests.