Asetek Danmark A/S v. Coolit Systems Inc

UNITED STATES DISTRICT COURT NORTHERN DISTRICT OF CALIFORNIA San Francisco Division ASETEK DANMARK A/S, Case No. 19-cv-00410-EMC (LB)

Plaintiff, ORDER DENYING COOLIT’S

MOTION FOR LEAVE TO AMEND

v. INFRINGEMENT CONTENTIONS

COOLIT SYSTEMS, INC., et al., Re: ECF No. 272 Defendants. 16 INTRODUCTION Plaintiff Asetek Danmark A/S has patents that relate to “liquid cooling systems and methods for cooling heat-generating electronic components” and claimed that defendant CoolIT makes liquid-cooling products that infringe the patents. CoolIT counterclaimed, accusing Asetek of infringing CoolIT’s patents relating to the same components.1 CoolIT moved for leave to amend its infringement contentions to add seventy-eight products identified by a product number (known as a stock-keeping unit (SKU)).2 The parties dispute whether the SKUs relate to products that are already identified in the infringement contentions: CoolIT says that…