A major gender discrimination claim involving some 44,000 women and the nation’s largest speciality retail jeweler has been dismissed because the Equal Employment Opportunity Commission failed to prove that it conducted a nationwide investigation before accusing Sterling Jewelers of violating its employees’ rights.

Western District Judge Richard Arcara (See Profile) this week embraced a magistrate judge’s report castigating the EEOC for not fully investigating the claims and attempting to introduce evidence it had withheld from the company in discovery.