5 known cases. View patent page →
In a lawsuit filed in 2007, a jury found Microsoft's infringement of two VirnetX patents was willful and awarded $105.75 million in damages in March 2010. Following the verdict, VirnetX filed a new motion alleging infringement by newer Microsoft products.
A long-running consolidated dispute that resulted in a $502.8 million judgment against Apple. However, following a PTAB decision invalidating the asserted patent claims, the Federal Circuit vacated the judgment and remanded the case with instructions for dismissal in March 2023.
The original patent assignee, SAIC, sued the U.S. Government for patent infringement related to night vision goggle systems. Although the narrative does not explicitly name U.S. Patent 6,502,135 as being at issue, the case was noted as active in early 2024.
Inter partes review proceedings where the PTAB found several claims of U.S. Patent 6,502,135 to be unpatentable. This decision was subsequently appealed by VirnetX.
An appeal from a PTAB decision involving the '135 patent. The Federal Circuit affirmed the Board's decision on October 20, 2023.