SAN JOSE, Calif. - A California federal judge on May 14 certified a class of medical device company sales representatives who allege that their employer violated state law by failing to reimburse them for ordinary business expenses (John Hopkins, et al. v. Stryker Sales Corporation, No. 5:11-cv-02786, N.D. Calif.; 2012 U.S. Dist. LEXIS 67101). View a complimentary copy of the opinion attached below.