University of Texas Southwestern Medical Center v. Nassar

Under the Civil Rights Act of 1964, a claim of retaliatory adverse employment action requires proof of but-for causation, not merely proof that improper motive was one of multiple causes of the challenged employment action. (U.S. Supreme Court, 06-24-2013)



http://www.law.com/jsp/tx/LawDecisionTX.jsp?University_of_Texas_Southwestern_Medical_Center_v_Nassar&id=1372018602218