Google submitted a lawsuit accusing residence speaker maker Sonos of infringing 5 of its patents, escalating tensions involving the partners that have previously led to a US Intercontinental Trade Commission probe.

In a complaint submitted on Thursday in San Francisco federal court docket, Google accused Sonos of utilizing “substantial volumes” of its know-how with no authorization for many goods, such as controller applications and its Sonos Radio services.

The lawsuit arrived 5 months soon after Sonos sued Google for infringing 5 other patents, and 4 months soon after the ITC mentioned it commenced investigating Sonos’ complaint about audio gamers and controllers from Google, a unit of Alphabet.

“Sonos has made bogus promises about the companies’ shared perform and Google’s know-how,” Google mentioned.

“While Google almost never sues other businesses for patent infringement, it ought to assert its intellectual assets legal rights in this article.”

Sonos main government Patrick Spence mentioned he appears to be like ahead to profitable the two cases.

“Google has picked out to use their size and breadth to check out and find parts in which they can retaliate,” and relatively than pay what it owes, it has “turned to solid arm practices the robber barons of outdated would have applauded,” Spence mentioned in a assertion.

Sonos is centered in Santa Barbara, California, and Alphabet in Mountain View, California.

In its lawsuit, Sonos accused Google of offering infringing goods at much less expensive selling prices, to fuel its system of extracting much more person facts to develop its advertising and search services.

Google countered it was Sonos that regularly sought help in the course of their decades of partnership, and it eventually built-in Sonos goods with its Engage in New music services and Google Assistant program.

The ITC sometimes bans importing goods into the United States that infringe US patents.

Some Sonos speakers use voice guidance know-how from Google and Amazon.

Google’s very own Nest intelligent speakers also consist of Google Assistant know-how.