Google LLC v. Sonos, Inc.

INTRODUCTION

17 In this patent infringement action, patent owner asserts that alleged infringer has violated 18 this district’s Patent Local Rules by incorporating references and theories in its summary 19 judgment filings and corresponding expert report not disclosed in its invalidity contentions. To 20 the following extent, patent owner’s motion to strike is GRANTED IN PART and DENIED IN

PART.

STATEMENT

23 The facts in this matter are well known and described previously (No. C 21-07559 WHA, 24 Dkt. No. 156). Patent owner Sonos, Inc. asserts that Google LLC infringes U.S. Patent Nos. 25 9,967,615; 10,469,966; 10,779,033; and 10,848,885. The patents generally concern multi-room 26 “smart” speaker technology. This motion practice takes place in the context of Google’s 27 declaratory judgment action. Relevant here, an October 2021 order scheduled a “patent showdown” procedure, wherein each side moves for summary judgment on one particular claim-in-suit. The parties have now filed their briefing for the patent showdown, supported by expert declarations. Sonos now moves to strike the following from Google’s motion for summary judgment of…