Last November, MZ Audio Sciences, LLC sued Sony in the District of Delaware over a single patent generally related to “embedding data in an audio signal”. After a couple of extensions pushed the deadline for Sony to respond to that complaint into March, the plaintiff filed a notice of voluntary dismissal on the date of its new complaint, filed before the Central District of California (2:22-cv-00866). As a consequence, MZ Audio was required to disclose any third parties having an interest in the outcome of the litigation, here including litigation counsel and a “capital provider”.