In the Supreme Court of the United States, University of Texas Southwestern Medical Center, petitioner, v. Naiel Nassar, respondent [electronic resource] : on writ of certiorari to the United States Court of Appeals for the Fifth Circuit : brief of the Washington Lawyers Committee for Civil Rights and Urban Affairs, the Employment Justice Center, and employment litigators as amici curiae in support of respondent / Neal Goldfarb, counsel of record [and 3 others], counsel for amici curiae.

At issue is whether, under the retaliation provision of the Civil Rights Act of 1964 Title VII, it must be shown that an employer would not have taken an action but for an improper motive, or is proof of a mixed motive sufficient.