Yes, the $242 million Cortana patent case was real—but that was a jury verdict, not a publicly confirmed final payment. On May 10, 2024, a federal jury in Delaware found Microsoft liable for infringing three claims in a patent asserted against Cortana-related software and awarded IPA Technologies $242 million. Microsoft challenged the verdict, then settled with IPA in June 2024; the settlement amount was not disclosed.
What the jury decided
The case was IPA Technologies Inc. v. Microsoft Corp., Civil Action No. 1:18-cv-00001-RGA, in the U.S. District Court for the District of Delaware. The jury found Microsoft liable for infringing claims 50, 53 and 54 of U.S. Patent No. 7,069,560 and awarded $242,000,000. Reuters reported the verdict, while the court record identifies the case and patent issues. The District of Delaware opinion provides the procedural and technical background.
| Item | Verified detail |
|---|---|
| Verdict date | May 10, 2024 |
| Court | U.S. District Court for the District of Delaware |
| Plaintiff | IPA Technologies Inc. |
| Patent at trial | U.S. Patent No. 7,069,560 |
| Claims found infringed | 50, 53 and 54 |
| Jury award | $242 million |
| Later outcome | Settlement and dismissal in June 2024; amount not disclosed |
What the patent covered
Patent No. 7,069,560 is titled “Highly scalable software-based architecture for communication and cooperation among distributed electronic agents.” In practical terms, it describes a software architecture in which flexible, autonomous electronic agents cooperate to complete tasks.
That is broader than voice recognition. The verdict did not say Microsoft copied Siri’s name, interface or entire product. It concerned specified patent claims about how distributed software components could communicate and work together.
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The lawsuit originally included U.S. Patent No. 6,851,115. Before trial, the court granted Microsoft summary judgment of non-infringement on every asserted claim of that patent. The jury’s $242 million decision therefore concerned the ’560 patent only. The court’s order sets out that distinction.
Why Cortana was part of the dispute
IPA accused systems used with Microsoft’s Cortana assistant, including Windows 10 client devices and Microsoft servers that processed Cortana commands. The litigation referred to two relevant implementations as the Legacy Architecture and Cortex Architecture.
The allegation focused on the client-and-server architecture used to process requests, not simply on Cortana hearing speech or answering a question. The case therefore addressed historical software implementation details rather than every Microsoft product marketed as an AI assistant.
Who sued Microsoft?
IPA Technologies was described in reporting as a subsidiary of patent-licensing company Wi-LAN. IPA had acquired the relevant patents from SRI International’s Siri-related business. SRI’s work later became associated with Apple after Apple acquired Siri Inc. in 2010. Reuters’ account describes that history.
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Apple was not the plaintiff in this Microsoft case. Calling the dispute “Apple’s Siri patent lawsuit” would incorrectly identify the litigating party and oversimplify the patent’s ownership history.
How Microsoft defended the case
Microsoft maintained that Cortana-related systems did not infringe and argued that the patent claims were invalid. It also challenged IPA’s proof that the server software performed every required step of the claimed method.
After the verdict, Microsoft attacked both liability and damages. Its post-trial arguments included these points:
- IPA had not proved infringement of all required claim elements.
- The patent was invalid.
- IPA’s damages expert used an unreliable methodology.
- The $242 million award was grossly excessive.
- The court’s damages instructions were legally defective.
Microsoft asked the court to throw out the verdict or reduce the award to approximately $1.95 million as an alternative. Law360 reported those post-verdict arguments, and Bloomberg Law summarized the damages and infringement challenges. Microsoft also said it remained confident it had never infringed and intended to appeal. Reuters quoted that response.
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Did the patent’s expiration matter?
Yes, but expiration did not erase potential liability for earlier conduct. The ’560 patent expired in January 2019, according to post-verdict legal reporting. A patent can support damages for infringement that occurred while it was enforceable even after the patent expires.
Expiration generally prevents a patent owner from obtaining a forward-looking injunction requiring continued users to stop using the invention after the patent term ends. It also means the verdict was about alleged historical use, not an order controlling Microsoft’s future products.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What happened after the $242 million verdict?
Microsoft and IPA Technologies settled the lawsuit in June 2024, and the Delaware court dismissed the case. The reports reviewed did not disclose the settlement’s financial terms. Reuters reported the settlement and dismissal.
That procedural outcome is why it is inaccurate to state that Microsoft definitely paid the full $242 million. The confirmed public sequence is:
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- A jury returned a $242 million infringement verdict.
- Microsoft sought to overturn or sharply reduce it and indicated that it planned to appeal.
- The parties settled, and the case was dismissed.
- The settlement amount was not publicly stated in the cited reporting.
Did the verdict shut down Cortana?
No. The verdict was not a public order banning Cortana, and no cited ruling says that Microsoft had to discontinue the assistant. The patent had already expired, and the case later ended in a settlement and dismissal.
Microsoft has made broader product decisions about Cortana over time, but those decisions should not be attributed to this patent verdict without separate evidence. The case also does not establish that current Microsoft products such as Copilot infringe this patent.
How this case fits broader patent litigation
IPA’s patent campaign also involved other major technology companies. Reuters reported that Amazon defeated IPA’s lawsuit in 2021, while litigation involving Google was still ongoing when the Microsoft verdict was reported. Those cases provide context but do not change the Microsoft-specific result.
Bottom line for readers
The $242 million figure was a genuine Delaware jury award against Microsoft over specified claims in a distributed-agent software patent asserted against Cortana-related systems. It was not a finding that Microsoft copied Siri wholesale, not a Cortana shutdown order, and not publicly established as the amount Microsoft ultimately paid. The litigation ended when Microsoft and IPA settled in June 2024 on undisclosed terms and the court dismissed the case.
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