Control Group Test Adopted as Standard for Assertion of Attorney-Client Privilege by Corporate Client, United States v. Upjohn Company, 600 F.2d 1223 (6th Cir. 1979), cert. granted, 445 U.S. 925 (1980) (Washington University Law Quarterly, 1980)
Keywords: United States v. Upjohn Company, 600 F.2d 1223 (6th Cir. 1979), cert. granted, 445 U.S. 925 (1980); Confidential communications; Corporate counsel; Practice of law; United States