Microsoft Corp. v. i4i Ltd. Partnership

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Microsoft Corp. v. i4i Ltd. Partnership
Seal of the United States Supreme Court.svg
Argued April 18, 2011
Decided June 9, 2011
Full case name Microsoft Corp. v. i4i Ltd. Partnership
Docket nos. 10-290
Citations 564 U.S. 91 (more)
131 S.Ct. 2238
Court membership
Chief Justice
John G. Roberts
Associate Justices
Antonin Scalia · Anthony Kennedy
Clarence Thomas · Ruth Bader Ginsburg
Stephen Breyer · Samuel Alito
Sonia Sotomayor · Elena Kagan
Case opinions
Majority Sotomayor, joined by Scalia, Kennedy, Ginsburg, Breyer, Alito, Kagan
Concurrence Breyer, joined by Scalia, Alito
Concurrence Thomas
Roberts took no part in the consideration or decision of the case.

Microsoft Corp. v. i4i Ltd. Partnership, 564 U.S. 91 (2011), was a case decided by the Supreme Court of the United States that the patent-in-reexamination is still valid without any exceptions under 35 USC 282, even if the suggested material is not considered in the process of patent application. To reverse the presumption of validity, the plaintiff should show clear and convincing evidence.[1]


  1. ^ Microsoft Corp. v. i4i Limited Partnership, 131 S.Ct. 2238 (2011)

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