Last Updated: May 25, 2026

El Salvador Drug Patents

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Drug Patents in El Salvador and US Equivalents

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.

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Patent Number	Estimated Expiration	Equivalent US Patent	US Expiry Date	Generic Name	US Applicant	US Tradename
1998000057	⤷ Start Trial	6294540	2018-11-14	abacavir sulfate	Viiv Hlthcare	ZIAGEN
1998000057	⤷ Start Trial	6294540	2018-11-14	abacavir sulfate; lamivudine	Viiv Hlthcare	EPZICOM
1998000057	⤷ Start Trial	6294540	2018-11-14	abacavir sulfate; lamivudine; zidovudine	Viiv Hlthcare	TRIZIVIR
1998000122	⤷ Start Trial	6284770	2018-10-05	alosetron hydrochloride	Legacy Pharma	LOTRONEX
1997000026	⤷ Start Trial	6469009	2019-07-13	cetirizine hydrochloride; pseudoephedrine hydrochloride	Kenvue Brands	ZYRTEC-D 12 HOUR
1997000026	⤷ Start Trial	6489329	2016-04-08	cetirizine hydrochloride; pseudoephedrine hydrochloride	Kenvue Brands	ZYRTEC-D 12 HOUR
>Patent Number	>Estimated Expiration	>Equivalent US Patent	>US Expiry Date	>Generic Name	>US Applicant	>US Tradename

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.