Federal Circuit Revives Sisvel’s 4G Patent in Key Ruling

The Federal Circuit has vacated a decision by the Patent Trial and Appeal Board (PTAB), which had partly invalidated a patent held by Sisvel. This patent is claimed by Sisvel to be essential to the 4G standard, and the company has previously asserted it in infringement litigation against other businesses. The ruling revives a key aspect of Sisvel’s enforcement strategy regarding its 4G patent holdings. For more detailed information, the original article can be accessed here.