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Home / Opinion / 10-290 Microsoft Corp. v. i4i Limited Partnership

10-290 Microsoft Corp. v. i4i Limited Partnership

Intellectual Property Patent infringement; invalidity defense Section 282 of the Patent Act of 1952 requires an invalidity defense to be proved by clear and convincing evidence. The Court rejects Microsoft’s contention that a defendant need only persuade the jury of a patent invalidity defense by a preponderance of the evidence. Where Congress has prescribed the governing standard of ...

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