9 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.
VirnetX and SAIC sued Microsoft for infringement; jury found willful infringement and awarded $105.75 million in March 2010; case resolved by stipulated order of dismissal with prejudice on June 1, 2010 (settlement).
VirnetX's case against multiple defendants; the '759 patent was part of the patent set. First Apple trial resulted in a ~$368M willful-infringement verdict. On appeal, VirnetX I, 767 F.3d 1308 (Fed. Cir. 2014), affirmed validity and VPN-on-Demand infringement, vacated FaceTime infringement and damages, and remanded. The Cisco portion ended with a Cisco non-infringement verdict.
VirnetX and SAIC asserted patents against Apple over iPhone 5, iPod touch 5th gen., iPad 4th gen., iPad mini, and then-current Macs. The case was consolidated with 6:11-cv-00563 and later amended to add 8,051,181 and 8,504,697. It produced the 2016 retrial on the '504/'211 patents and the April 2018 trial on the '135/'759/'180/'151 patents; further post-trial/appellate proceedings continued into the 2020s.
VirnetX and SAIC asserted four patents against Microsoft, including the '211 patent. The court's claim-construction order construed '211 claim terms. The case was resolved by settlement/license; settlement date and amount are not confirmed in the narrative.