Last Updated: November 13, 2026

TRIMETH Drug Patent Profile

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

Trimeth is a drug marketed by Alpharma Us Pharms, Naska, Heritage Pharma Avet, Lupin, Sun Pharm Industries, Am Regent, Bpi Labs, Hospira, Smith And Nephew, Solopak, Watson Labs, Dr Reddys Labs Sa, Novel Labs Inc, Novitium Pharma, Teva, Bausch And Lomb Inc, Epic Pharma Llc, Sandoz, and Somerset Theraps Llc. and is included in twenty-six NDAs.

The generic ingredient in TRIMETH is polymyxin b sulfate; trimethoprim sulfate. Ten suppliers are listed for this compound. Additional details are available on the polymyxin b sulfate; trimethoprim sulfate profile page.

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Summary for TRIMETH

US Patents:	0
Applicants:	19
NDAs:	26

US Patents and Regulatory Information for TRIMETH

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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
Alpharma Us Pharms	TRIMETH/SULFA	sulfamethoxazole; trimethoprim	SUSPENSION;ORAL	072289-001	May 23, 1988		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Novitium Pharma	TRIMETHOPRIM	trimethoprim	TABLET;ORAL	216393-001	Oct 28, 2022	AB	RX	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Epic Pharma Llc	TRIMETHOPRIM SULFATE AND POLYMYXIN B SULFATE	polymyxin b sulfate; trimethoprim sulfate	SOLUTION/DROPS;OPHTHALMIC	065006-001	Dec 17, 1998	AT	RX	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Am Regent	TRIMETHOBENZAMIDE HYDROCHLORIDE	trimethobenzamide hydrochloride	INJECTABLE;INJECTION	091330-001	Mar 8, 2011		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Heritage Pharma Avet	TRIMETHOBENZAMIDE HYDROCHLORIDE	trimethobenzamide hydrochloride	CAPSULE;ORAL	205950-001	Nov 21, 2023	AB	RX	No	Yes	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Solopak	TRIMETHOBENZAMIDE HYDROCHLORIDE	trimethobenzamide hydrochloride	INJECTABLE;INJECTION	089094-001	Apr 4, 1986		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Sun Pharm Industries	TRIMETHOPRIM	trimethoprim	TABLET;ORAL	070495-001	Sep 24, 1986		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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