Last Updated: September 28, 2026

ATHROMBIN Drug Patent Profile

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When do Athrombin patents expire, and when can generic versions of Athrombin launch?

Athrombin is a drug marketed by Pharm Res Assoc and is included in one NDA.

The generic ingredient in ATHROMBIN is warfarin potassium. Additional details are available on the warfarin potassium profile page.

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Summary for ATHROMBIN

US Patents:	0
Applicants:	1
NDAs:	1

US Patents and Regulatory Information for ATHROMBIN

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Pharm Res Assoc	ATHROMBIN	warfarin sodium	TABLET;ORAL	011771-003	Approved Prior to Jan 1, 1982		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Pharm Res Assoc	ATHROMBIN-K	warfarin potassium	TABLET;ORAL	011771-006	Approved Prior to Jan 1, 1982		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Pharm Res Assoc	ATHROMBIN-K	warfarin potassium	TABLET;ORAL	011771-007	Approved Prior to Jan 1, 1982		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Pharm Res Assoc	ATHROMBIN	warfarin sodium	TABLET;ORAL	011771-002	Approved Prior to Jan 1, 1982		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Pharm Res Assoc	ATHROMBIN	warfarin sodium	TABLET;ORAL	011771-001	Approved Prior to Jan 1, 1982		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Pharm Res Assoc	ATHROMBIN-K	warfarin potassium	TABLET;ORAL	011771-005	Approved Prior to Jan 1, 1982		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Exclusivity Expiration

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