R2 Solutions LLC, an Acacia Research Corporation plaintiff, has sued iHeartMedia (6:21-cv-00552) and Roku (6:21-cv-00553) in the Western District of Texas over the provision of their respective streaming services, targeting certain features related to searching and search ranking. Two of the eight patents-in-campaign, from among the roughly 2,500 former Yahoo patents that Acacia acquired last year through Excalibur IP, LLC, are asserted against each defendant, with iHeartMedia hit with a third such patent.