Which traits federal law protects at work, which employers each law covers, the main kinds of discrimination claim, and what a court can order.
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Federal law forbids an employer to make a decision about hiring, firing, pay, promotion, assignments or any other term of employment because of a protected trait. Title VII of the Civil Rights Act covers race, color, religion, sex and national origin; sex includes pregnancy, and the Supreme Court held in 2020 that it includes sexual orientation and gender identity. The Age Discrimination in Employment Act protects workers aged 40 and over, the Americans with Disabilities Act protects qualified people with disabilities, the Genetic Information Nondiscrimination Act protects genetic information, and the Pregnant Workers Fairness Act requires reasonable accommodation of known limitations related to pregnancy and childbirth. Title VII, the ADA and the pregnancy law apply to employers with 15 or more employees and the age law to 20 or more; state laws usually reach smaller employers and add further traits.
Claims take a few recurring shapes. Disparate treatment is being treated worse because of the trait, usually proved through circumstantial evidence: the employer's stated reason is shown to be false or inconsistent with how others were treated. Harassment is unlawful when it is severe or pervasive enough to change working conditions, or when it ends in a tangible action such as a firing (see sexual harassment). Disparate impact is a neutral rule that screens out a protected group without a business necessity. Failure to accommodate applies to disability, religion and pregnancy. And punishing someone for complaining is a separate claim, retaliation, which often succeeds where the underlying complaint does not.
Two federal laws work differently. The Equal Pay Act requires equal pay for men and women doing substantially equal work in the same establishment, covers employers of any size, and can go straight to court. Section 1981 forbids race discrimination in making and enforcing contracts, including employment, with no employer-size limit and no agency charge required. Under Title VII, the ADA and the age law, a claim generally begins with a charge filed with the EEOC or a state agency. Remedies can include back pay, reinstatement or front pay, and compensatory and punitive damages, which federal law caps according to the employer's size.
Talk to an employment lawyer soon after the decision you believe was discriminatory, because the agency charge deadline is short and runs from that decision, not from when you learn more. Bring a timeline, the names of the decision-makers, how others in your position were treated, and any written reasons, reviews and messages; do not take confidential company documents you were not entitled to. Many plaintiff-side employment lawyers work on a contingency fee, and the EEOC itself takes charges without a lawyer.
Worried about the cost? A lawyer can be hired for one part of a case only (limited-scope representation), may be paid from what a claim recovers (contingency fee), or may be free through a pro bono program or legal aid; a court can also waive its own filing fees.
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