A charge of discrimination must be filed within 300 days after the alleged discriminatory action, or one year for a Fair Housing case. You can file a complaint and pursue a discrimination claim at the Commission on Human Relations if you believe you have been personally harmed.This fact sheet provides information on filing an employment discrimination charge with the EEOC in Chicago, and what to expect at the Chicago District Office. An employee must be at least 30 for state and federal discrimination laws to apply. The Chicago Human Rights Ordinance prohibits discrimination in employment based on age, along with. 14 other protected classifications. If you have been denied employment or a promotion because of your age, contact Vaziri Law's Chicago age discrimination lawyer today! The Age Discrimination in Employment Act of 1967 ("ADEA") protects employees who are 40 years of age or older from employment discrimination based on age. This law prohibits employers with 20 or more employees from discriminating against individuals aged 40 and above. For age discrimination issues you have at work.