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Last Updated: January 30, 2026

Litigation for ethinyl estradiol; levonorgestrel

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US Court Litigation for ethinyl estradiol; levonorgestrel

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Patent	Case Name	Docket	Date Filed	Date Terminated	Cause	Court	Jury Demand	Link To Docket
6,500,814	⤷ Get Started Free	⤷ Get Started Free	2008-03-12	2009-04-28	35:271 Patent Infringement	District Court, D. Delaware	None	⤷ Get Started Free
6,500,814	Wyeth v. Sandoz Inc.	⤷ Get Started Free	2008-05-28	2009-09-15	28:1338 Patent Infringement	District Court, D. Delaware	Defendant	⤷ Get Started Free
6,500,814	⤷ Get Started Free	⤷ Get Started Free	2014-12-05	2015-05-11	35:271 Patent Infringement	District Court, S.D. New York	None	⤷ Get Started Free
>Patent	>Case Name	>Docket	>Date Filed	>Date Terminated	>Cause	>Court	>Jury Demand	>Link To Docket

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