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At-Will Employment

The default US doctrine that allows either employer or employee to end the employment relationship at any time, with or without cause or notice — subject to anti-discrimination law.

Detailed Definition

At-Will Employment is the default doctrine governing US employment relationships in 49 states (Montana is the lone exception, requiring 'good cause' after a probationary period). Under at-will employment, either the employer or the employee may end the relationship at any time, for any reason or no reason, with or without notice — subject to important exceptions.

Key exceptions include: federal anti-discrimination laws (Title VII, ADEA, ADA, PDA, GINA), state and local civil-rights laws, retaliation protections (Whistleblower, FLSA §15(a)(3), OSHA §11(c)), public-policy exceptions recognized in most states, contractual exceptions (collective bargaining agreements, individual employment contracts with for-cause clauses), and implied-contract exceptions (where employee handbooks or oral statements have created an enforceable expectation of continued employment).

The practical implication is that termination is lawful but should still be documented with a legitimate, non-discriminatory reason — performance, conduct, or business need — to defend against wrongful-termination claims. Most US offer letters explicitly state at-will status to defeat implied-contract claims, and employee handbooks include at-will disclaimers signed at hire.

Example

Our offer letters explicitly state at-will employment, but we still document performance issues before any termination decision.

Related Terms

WARN Act

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