Hazen Paper Co. v. Biggins, 507 U.S. 604 (1993), was a United States Supreme Court case in which the court held that a disparate treatment claim cannot succeed unless the employee's protected trait had a determinative influence on the employer's decisionmaking. Background Hazen Paper fired Biggins, 62, a few weeks before his service would have reached the required number of years for his pension to vest. Biggins sued Hazen Paper alleging a violation of the Age Discrimination in Employment Act of 1967. See also List of United States Supreme Court cases Lists of United States Supreme Court cases by volume References External links 1993 in United States case law United States Supreme Court cases of the Rehnquist Court United States Supreme Court cases