Quidel Corporation v. Siemens Medical Solutions USA, Inc.

UNITED STATES DISTRICT COURT SOUTHERN DISTRICT OF CALIFORNIA

10 QUIDEL CORPORATION, Case No. 16-cv-3059-BAS-AGS 11 Plaintiff, ORDER GRANTING PLAINTIFF’S SPECIAL MOTION

TO STRIKE DEFENDANT’S

v. COUNTERCLAIMS

SIEMENS MEDICAL SOLUTIONS [ECF No. 141] USA, INC., et al., 15 Defendants. 16

Plaintiff Quidel Corporation filed a two-part Motion seeking to strike in part and/or dismiss in part Defendant Siemens Healthcare Diagnostics, Inc.’s counterclaims. The Court held oral argument on the Motion on September 17, 2019. For the reasons discussed below, the Court GRANTS Quidel’s Motion to Strike. I. Background Plaintiff Quidel and Defendants Siemens Healthcare and Siemens Medical Solutions USA, Inc. each manufacture and sell assays (blood tests) used for measuring thyroid stimulating antibodies that, among other things, can aid in the detection of Graves’ disease. Quidel sells the Thyretain Bioreporter TSI Assay (“Thyretain”), and Defendants sell the …