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Aricept patents expiration

Drug Patent Number Company Drug Patent Title Drug Patent Expiry Activity Alert
These drug patents focus on the other aspects of the active substance like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US5985864 EISAI INC Polymorphs of donepezil hydrochloride and process for production
Dec, 2016

(7 years ago)

US6140321 EISAI INC Polymorphs of donepezil hydrochloride and process for production
Dec, 2016

(7 years ago)

US6245911 EISAI INC Donepezil polycrystals and process for producing the same
Dec, 2018

(5 years ago)

US8481565 EISAI INC Method for stabilizing anti-dementia drug
Oct, 2026

(2 years from now)

Aricept is owned by Eisai Inc.

Aricept contains Donepezil Hydrochloride.

Aricept has a total of 4 drug patents out of which 3 drug patents have expired.

Expired drug patents of Aricept are:

  • US5985864
  • US6140321
  • US6245911

Aricept was authorised for market use on 25 November, 1996.

Aricept is available in tablet;oral dosage forms.

The generics of Aricept are possible to be released after 04 October, 2026.

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Drugs and Companies using DONEPEZIL HYDROCHLORIDE ingredient

Market Authorisation Date: 25 November, 1996

Treatment: NA

Dosage: TABLET;ORAL

How can I launch a generic of ARICEPT before it's drug patent expiration?
More Information on Dosage

ARICEPT family patents

Family Patents