Litigation

VirnetX Inc. et al. v. Microsoft Corporation

settled (dismissed with prejudice)

6:07-cv-00080

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Court: U.S. District Court for the Eastern District of Texas, Tyler Division
Terminated: 2010-06-01

Patents at issue (2)

Plaintiffs (2)

Defendants (1)

Δ Microsoft Corporation

Summary

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).

Case overview & background

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Key legal developments & outcome

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Plaintiff representatives

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Defendant representatives

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Record id: 6839759-6-07-cv-00080 · edit in Admin

Further reading

Cost of Inter Partes Review (IPR): a 2026 breakdown
An IPR ends most cases when the prior art is real. The all-in cost is roughly a tenth of full litigation — but only if you stage it right.
Finding prior art with free tools: Google Patents, Lens, Espacenet, and more
A serious paid prior-art search costs $5,000 to $20,000. The first 80% of what you'd find is sitting behind free tools — if you know how to drive them.
What it costs to get a patent (AIPLA Economic Survey)
A US utility patent costs a median of $8,000-$12,000 in attorney fees to draft and file, depending on the technology — before USPTO fees, before drawings, and before the first office action. Here's the full bill, and why it's a rounding error next to enforcing the thing.
Markman v. Westview Instruments, Inc. (1996)
Claim construction is exclusively the court's job. The Markman hearing is the most consequential single ruling in nearly every patent case — and a defendant's best chance to end the litigation before trial.
Patent law glossary
Sixty-plus patent-law terms, defined in one or two sentences each, with a link to the deeper article. The universal landing pad when an article uses a term you don't know.

All resources →