Last Updated: September 25, 2026

Details for Patent: 6,939,539

Name: Drug Patent Intelligence for US Patent 6939539
Creator: DrugPatentWatch
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Summary for Patent: 6,939,539

Title:	Copolymer-1 improvements in compositions of copolymers
Abstract:	The present invention relates to an improved composition of copolymer-1 comprising copolymer-1 substantially free of species having a molecular weight of over 40 kilodaltons.
Inventor(s):	Eliezer Konfino, Michael Sela, Dvora Teitelbaum, Ruth Arnon
Assignee:	Yeda Research and Development Co Ltd
Application Number:	US10/615,865
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 6,939,539
Patent Claim Types: see list of patent claims	Use; Composition;

Drugs Protected by US Patent 6,939,539

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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 6,939,539

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	0762888	⤷ Start Trial	90987	Luxembourg	⤷ Start Trial
European Patent Office	0762888	⤷ Start Trial	C300096	Netherlands	⤷ Start Trial
European Patent Office	0762888	⤷ Start Trial	C300251	Netherlands	⤷ Start Trial
Austria	212857	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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