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Last Updated: December 11, 2024

Details for Patent: 8,202,537

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Which drugs does patent 8,202,537 protect, and when does it expire?

Patent 8,202,537 protects QUILLICHEW ER and is included in one NDA.

This patent has twenty-one patent family members in fourteen countries.

Summary for Patent: 8,202,537

Title:	Modified release formulations containing drug-ion exchange resin complexes
Abstract:	A solid dose composition containing a mixture of a cured, modified release-barrier coated methylphenidate-ion exchange resin complex-matrix and an uncoated methylphenidate-ion exchange resin complex is described. The barrier coated methylphenidate-ion exchange resin complex-matrix comprises methylphenidate complexed with a pharmaceutically acceptable ion-exchange resin to form the complex which is admixed with a polymer to form a methylphenidate-ion exchange resin complex-matrix, which is subsequently coated with a modified release coating. The modified coating contains polyvinyl acetate polymer and a plasticizer and is cured.
Inventor(s):	Mehta; Ketan (Cranbury, NJ), Tu; Yu-Hsing (West Windsor, NJ)
Assignee:	Tris Pharma Inc (Monmouth Junction, NJ)
Application Number:	13/244,748
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 8,202,537
Patent Claim Types: see list of patent claims	Composition; Compound; Dosage form;

Drugs Protected by US Patent 8,202,537

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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
Nextwave Pharms	QUILLICHEW ER	methylphenidate hydrochloride	TABLET, EXTENDED RELEASE, CHEWABLE;ORAL	207960-001	Dec 4, 2015		RX	Yes	No	⤷ Sign Up	⤷ Sign Up	Y				⤷ Sign Up
Nextwave Pharms	QUILLICHEW ER	methylphenidate hydrochloride	TABLET, EXTENDED RELEASE, CHEWABLE;ORAL	207960-002	Dec 4, 2015		RX	Yes	No	⤷ Sign Up	⤷ Sign Up	Y				⤷ Sign Up
Nextwave Pharms	QUILLICHEW ER	methylphenidate hydrochloride	TABLET, EXTENDED RELEASE, CHEWABLE;ORAL	207960-003	Dec 4, 2015		RX	Yes	Yes	⤷ Sign Up	⤷ Sign Up	Y				⤷ Sign Up
>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 8,202,537

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	E536867	⤷ Sign Up
Australia	2007227569	⤷ Sign Up
Brazil	PI0709606	⤷ Sign Up
Canada	2645855	⤷ Sign Up
China	101400343	⤷ Sign Up
China	102488652	⤷ Sign Up
Denmark	2018160	⤷ Sign Up
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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