Charter Communications has been sued by major record labels alleging that Charter Communications has not addressed its subscribers' copyright infringement of music works. Charter Communications has been sued by major labels for its alleged conduct.Universal Music, EMI and Sony Music filed a complaint in the US District Court in Colorado on July 26th. They claim that Charter, the internet service provider Spectrum, insisted on not doing anything despite receiving thousands notices detailing illegal activity by its subscribers. This despite the fact that Charter is legally required to address widespread illegal downloading of copyrighted work on its Internet services and despite having been sued by Plaintiffs previously for similar conduct.In 2019, Charter was sued by the same group of companies. They claimed Charter had received notices from BitTorrent and other services that allowed pirating music. Charter made substantial profits from the massive copyright infringement by its subscribers between March 24, 2013 - May 17, 2016, according to the 2019 complaint.Flagrant and serial infringersThe new complaint relates to infringements that occurred between July 26th 2018 and the present. These labels claim they discovered the infringements while monitoring Charters network.In the complaint, the labels claim that they notified Charter and sent 150,000 notices to infringers, with the unique IP addresses of serial and flagrant infringers. However, Charter turned a blind eye.Charter did not respond to Saturday's request for comment.This is the latest attempt of record labels to hold ISPs accountable for copyright infringements by subscribers. After a court found Cox Communications liable for infringing more than 10,000 musical works, a group label won a $1B verdict against Cox Communications.Updated August 7, 2012, 12:33 ET: Adds Charter decease comment