The Age Discrimination in Employment Act (ADEA) forbids age discrimination against people who are age 40 or older. For age discrimination claims, the employer must have at least 20 employees.The California Fair Employment and Housing Act (FEHA) protects employees against age discrimination if they are aged 40 or older. Age discrimination is defined as any actions taken against an individual based on their physical age or years of experience in the workplace. If you are an older worker, federal law provides certain legal protections for you in the workplace. There are exceptions for people under eighteen and over seventy, however. Our employment law attorneys represent employees in negotiations and litigation over age discrimination in the workplace in both the public and private sector. In 1967, the Age Discrimination in Employment Act (ADEA) was created to protect people from discrimination and harassment in the workplace. The Age Discrimination in Employment Act protects workers over 40 from age discrimination. What Does the New Jersey Law.