Last Updated: June 18, 2026

SEFFIN Drug Patent Profile

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Which patents cover Seffin, and when can generic versions of Seffin launch?

Seffin is a drug marketed by Glaxosmithkline and is included in one NDA.

The generic ingredient in SEFFIN is cephalothin sodium. There are seven drug master file entries for this compound. Additional details are available on the cephalothin sodium profile page.

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Summary for SEFFIN

US Patents:	0
Applicants:	1
NDAs:	1

US Patents and Regulatory Information for SEFFIN

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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.	Exclusivity Expiration
Glaxosmithkline	SEFFIN	cephalothin sodium	INJECTABLE;INJECTION	062435-001	Nov 15, 1983		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Glaxosmithkline	SEFFIN	cephalothin sodium	INJECTABLE;INJECTION	062435-002	Nov 15, 1983		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Glaxosmithkline	SEFFIN	cephalothin sodium	INJECTABLE;INJECTION	062435-003	Nov 15, 1983		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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