IN RE: CHROMACODE LITIGATION

1 2 3 4 5 UNITED STATES DISTRICT COURT 6 NORTHERN DISTRICT OF CALIFORNIA 7 SAN JOSE DIVISION 8 9 IN RE CHROMACODE LITIGATION Case No. 23-cv-04823-EKL (VKD)

10

ORDER GRANTING IN PART AND

11 DENYING IN PART CHROMACODE’S

MOTION FOR LEAVE TO AMEND

12 INFRINGEMENT CONTENTIONS 13 Re: Dkt. No. 128

14 15 Plaintiffs California Institute of Technology and ChromaCode, Inc. (collectively, 16 “ChromaCode”) move for leave to amend their infringement contentions for two patents asserted 17 against defendant Bio-Rad Laboratories, Inc. (“Bio-Rad”). Dkt. No. 128. Bio-Rad opposes the 18 motion. Dkt. No. 132. The Court held a hearing on this matter on September 16, 2025. Dkt. Nos. 19 147, 150 (transcript). 20 For the reasons explained below, the Court grants in part and denies in part ChromaCode’s 21 motion for leave to amend its infringement contentions. 22 I. BACKGROUND 23 In this consolidated action, ChromaCode asserts that Bio-Rad infringes U.S. Patent No. 24 …