https://www.theregister.co.uk/2018/03/14/a_dolby_sues_adobe_for_dodging_cloud_license_fees/

Audio specialist Dolby Labs is suing Adobe for copyright violation as the two companies sit at odds over licensing payments.

A complaint [PDF] filed with the Northern California District Court accuses Adobe of violating its copyright on nine different media encoders and software routines. The complaint also alleges breach of contract, breach of warranty, and assertion of audit rights.