Immersion Corporation is citing a number of patents as part of the lawsuit, including 7,336,260, 8,749,507, 9,430,042, 9,116,546, 10,627,907, 10,665,067, and 11,175,738. As part of its lawsuit against Valve, Immersion Corporation is seeking damages, royalties, and an injunction against Valve from producing the hardware and VR hardware mentioned above.

In the past, Immersion Corporation has struck licensing deals with a number of gaming hardware and software makers, including Sony, Microsoft, and Nintendo. As part of previous lawsuits, companies like Apple and Google have also settled with Immersion Corporation.

Valve recently also saw competition in the handheld PC gaming market increase with the unveiling and impending launch of the Asus ROG Ally. For more details on that, here’s everything you need to know about the upcoming handheld.