David J. Garraux of K&L Gates has entered an appearance for Toronto-based marketing and advertising firm Klick Health in a pending lawsuit over alleged employment discrimination under the ADA. The case was filed Oct. 1 in Pennsylvania Eastern District Court by Karpf, Karpf & Cerutti on behalf of Ariel Tishgart. The case, assigned to U.S. District Judge Harvey Bartle III, is 2:21-cv-04323, Tishgart v. Klick USA, Inc.