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Last Updated: January 25, 2021

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Profile for Spain Patent: 2351709

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US Patent Family Members and Approved Drugs for Spain Patent: 2351709

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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US Patent Number	US Expiration Date	US Applicant	US Tradename	Generic Name
Start Trial	Dec 5, 2029	Allergan	NAMZARIC	donepezil hydrochloride; memantine hydrochloride
Start Trial	Nov 22, 2025	Allergan	NAMZARIC	donepezil hydrochloride; memantine hydrochloride
Start Trial	Nov 22, 2025	Allergan	NAMZARIC	donepezil hydrochloride; memantine hydrochloride
Start Trial	Nov 22, 2025	Allergan	NAMZARIC	donepezil hydrochloride; memantine hydrochloride
Start Trial	Nov 22, 2025	Allergan	NAMZARIC	donepezil hydrochloride; memantine hydrochloride
Start Trial	May 22, 2026	Forest Labs Llc	NAMENDA XR	memantine hydrochloride
Start Trial	May 22, 2026	Allergan	NAMZARIC	donepezil hydrochloride; memantine hydrochloride
>US Patent Number	>US Expiration Date	>US Applicant	>US Tradename	>Generic Name

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Serving leading biopharmaceutical companies globally:

McKesson

Boehringer Ingelheim

Mallinckrodt

AstraZeneca

Moodys

Express Scripts

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