Last Updated: November 8, 2026

Details for Patent: 8,541,466

Name: Drug Patent Intelligence for US Patent 8541466
Creator: DrugPatentWatch
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Summary for Patent: 8,541,466

Title:	Compositions and methods for treating hair loss using non-naturally occurring prostaglandins
Abstract:	A method for treating hair loss in mammals uses compositions containing prostaglandin F analogs. The compositions can be applied topically to the skin. The compositions can arrest hair loss, reverse hair loss, and promote hair growth.
Inventor(s):	Mitchell Anthony deLong, John McMillan McIver, Robert Scott Youngquist
Assignee:	Duke University
Application Number:	US12/535,513
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 8,541,466
Patent Claim Types: see list of patent claims	Use; Composition; Formulation;

Drugs Protected by US Patent 8,541,466

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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
>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 8,541,466

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	309775	⤷ Start Trial
Australia	5303901	⤷ Start Trial
Canada	2401731	⤷ Start Trial
China	100384425	⤷ Start Trial
China	101229171	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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