Last Updated: August 14, 2026

NUPLAZID Drug Patent Profile


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

Nuplazid is a drug marketed by Acadia Pharms Inc and is included in two NDAs. There are nine patents protecting this drug and three Paragraph IV challenges.

This drug has eighty-eight patent family members in twenty-two countries.

The generic ingredient in NUPLAZID is pimavanserin tartrate. There are two drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the pimavanserin tartrate profile page.

DrugPatentWatch® Generic Entry Outlook for Nuplazid

Nuplazid was eligible for patent challenges on April 29, 2020.

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be October 29, 2030. This may change due to patent challenges or generic licensing.

There have been eleven patent litigation cases involving the patents protecting this drug, indicating strong interest in generic launch. Recent data indicate that 63% of patent challenges are decided in favor of the generic patent challenger and that 54% of successful patent challengers promptly launch generic drugs.

Indicators of Generic Entry

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DrugPatentWatch® Estimated Loss of Exclusivity (LOE) Date for NUPLAZID
Generic Entry Dates for NUPLAZID*:
Constraining patent/regulatory exclusivity:
NDA:
Dosage:

CAPSULE;ORAL

Generic Entry Dates for NUPLAZID*:
Constraining patent/regulatory exclusivity:
NDA:
Dosage:

TABLET;ORAL

*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

Recent Clinical Trials for NUPLAZID

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Humanis Saglık Anonim SirketiPHASE1
Ohio State UniversityPhase 2
ACADIA Pharmaceuticals Inc.Phase 2

See all NUPLAZID clinical trials

Pharmacology for NUPLAZID
Paragraph IV (Patent) Challenges for NUPLAZID
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
NUPLAZID Tablets pimavanserin tartrate 34 mg 207318 1 2025-01-02
NUPLAZID Tablets pimavanserin tartrate 10 mg 207318 1 2020-04-29
NUPLAZID Capsules pimavanserin tartrate 34 mg 210793 5 2020-04-29

US Patents and Regulatory Information for NUPLAZID

NUPLAZID is protected by nine US patents and two FDA Regulatory Exclusivities.

Based on analysis by DrugPatentWatch, the earliest date for a generic version of NUPLAZID is ⤷  Start Trial.

This potential generic entry date is based on patent ⤷  Start Trial.

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Acadia Pharms Inc NUPLAZID pimavanserin tartrate CAPSULE;ORAL 210793-001 Jun 28, 2018 RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Acadia Pharms Inc NUPLAZID pimavanserin tartrate TABLET;ORAL 207318-001 Apr 29, 2016 DISCN Yes No ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Acadia Pharms Inc NUPLAZID pimavanserin tartrate CAPSULE;ORAL 210793-001 Jun 28, 2018 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Acadia Pharms Inc NUPLAZID pimavanserin tartrate CAPSULE;ORAL 210793-001 Jun 28, 2018 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Acadia Pharms Inc NUPLAZID pimavanserin tartrate TABLET;ORAL 207318-002 Jun 28, 2018 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Acadia Pharms Inc NUPLAZID pimavanserin tartrate TABLET;ORAL 207318-001 Apr 29, 2016 DISCN Yes 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

Expired US Patents for NUPLAZID

International Patents for NUPLAZID

See the table below for patents covering NUPLAZID around the world.

Country Patent Number Title Estimated Expiration
Austria 407117 ⤷  Start Trial
Austria 512136 ⤷  Start Trial
Australia 2004206886 Selective serotonin 2A/2C receptor inverse agonists as therapeutics for neurodegenerative diseases ⤷  Start Trial
Brazil PI0406591 Composição, métodos para o tratamento de uma doença neurodegenerativa, disquinesia, distonia, mioclonias ou tremores, psicose, de uma doença neuropsiquiátria, de uma condição doentia e enxaqueca, composto, métodos de inibição da atividade de um receptor de monoamina e da ativação de um receptor de monoamina métodos de identificação de polimorfismo genético e de um paciente apropriado para tratamento com o composto ⤷  Start Trial
Canada 2512639 AGONISTES INVERSES SELECTIFS POUR LE RECEPTEUR DE LA SEROTONINE 2A/2C UTILISES COMME AGENTS THERAPEUTIQUES CONTRE LES MALADIES NEURODEGENERATIVES (SELECTIVE SEROTONIN 2A/2C RECEPTOR INVERSE AGONISTS AS THERAPEUTICS FOR NEURODEGENERATIVE DISEASES) ⤷  Start Trial
China 101780080 Selective serotonin 2a/2c receptor inverse agonists as therapeutics for neurodegenerative diseases ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

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