14 Penn Plaza LLC v. Pyett, 556 U.S. 247, 129 S. Ct. 1456 (2009)
Plaintiffs, members of the Service Employees International Union (the “SEIU”), filed a complaint with the EEOC alleging age discrimination under the Age Discrimination in Employment Act and, after receiving their right-to-sue letters, filed suit against their employer alleging age discrimination. In response, the employer filed a motion to compel arbitration