UNITED STATES DISTRICT COURT NORTHERN DISTRICT OF CALIFORNIA
BENEFIT COSMETICS LLC,
Case No. 23-cv-00861-RS Plaintiff, 11 v. ORDER ON MOTIONS TO EXCLUDE, BENEFIT’S MOTION TO STRIKE,
E.L.F. COSMETICS, INC., AND SEALING MOTIONS
13 Defendant.
I. INTRODUCTION In this trademark and trade dress infringement case, Plaintiff Benefit Cosmetics LLC (“Benefit”) avers Defendant e.l.f. Cosmetics, Inc. (“e.l.f.”) infringed on intellectual property associated with Benefit’s Roller Lash mascara. Benefit and e.l.f. have filed cross-motions to exclude various expert witness opinions. Benefit has also filed a motion to strike allegedly improper deposition testimony from e.l.f.’s experts, documents not produced in fact discovery and related opinions, and theories of functionality not disclosed in fact discovery and corresponding opinions. Finally, the parties have filed several sealing motions. For the reasons below, e.l.f.’s motion to exclude is…