Last Updated: November 8, 2026

Details for Patent: 8,642,079

Name: Drug Patent Intelligence for US Patent 8642079
Creator: DrugPatentWatch
License: https://www.drugpatentwatch.com/terms.php

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Which drugs does patent 8,642,079 protect, and when does it expire?

Patent 8,642,079 protects OSPHENA and is included in one NDA.

This patent has twenty-four patent family members in eighteen countries.

Summary for Patent: 8,642,079

Title:	Solid formulations of ospemifene
Abstract:	This invention relates to a solid drug formulation comprising granulates containing a therapeutically active compound of the formula (I) or a geometric isomer, a stereoisomer, a pharmaceutically acceptable salt, an ester thereof or a metabolite thereof, in combination with one or more intra-granular excipients.
Inventor(s):	Veli-Matti Lehtola, Kaija Halonen
Assignee:	QuatRx Pharmaceuticals Co
Application Number:	US10/783,024
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 8,642,079
Patent Claim Types: see list of patent claims	Composition; Formulation;

Drugs Protected by US Patent 8,642,079

Glossary

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
Duchesnay	OSPHENA	ospemifene	TABLET;ORAL	203505-001	Feb 26, 2013		RX	Yes	Yes	8,642,079	⤷ Start Trial	Y				⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

International Family Members for US Patent 8,642,079

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	E506054	⤷ Start Trial
Australia	2005215174	⤷ Start Trial
Brazil	PI0507897	⤷ Start Trial
Canada	2554695	⤷ Start Trial
China	1953741	⤷ Start Trial
Cyprus	1111689	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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