Koss, a well-known headphone manufacturer, is suing Apple for a number of patent violations regarding wireless headphone technology. The first accused the Cupertino giant of violating 5 patents related to wireless headphones and their use.
Apple does not recognize the fact of patent infringement, while in the statement of claim Koss says that Apple receives huge funds by illegally using its development. Koss also claims that Apple is not the only company that infringes on its patents.
In two and a half years, Koss representatives have held four meetings with Apple to discuss this issue, as well as exchanged a huge number of emails. But this communication did not lead to anything. So the case went to court.
Apple has not yet made a public statement on this issue.