Last Updated: November 8, 2026

TALZENNA Drug Patent Profile

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When do Talzenna patents expire, and when can generic versions of Talzenna launch?

Talzenna is a drug marketed by Pfizer and is included in two NDAs. There are six patents protecting this drug.

The generic ingredient in TALZENNA is talazoparib tosylate. There is one drug master file entry for this compound. Two suppliers are listed for this compound. Additional details are available on the talazoparib tosylate profile page.

DrugPatentWatch® Generic Entry Outlook for Talzenna

Talzenna was eligible for patent challenges on October 16, 2022.

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be October 16, 2032. This may change due to patent challenges or generic licensing.

Indicators of Generic Entry

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

CAPSULE;ORAL

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

CAPSULE;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 TALZENNA

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

SponsorPhase
German Cancer Research CenterPhase 1/Phase 2
Hospital Sultan IsmailPhase 2
University of MalayaPhase 2

See all TALZENNA clinical trials

Pharmacology for TALZENNA

US Patents and Regulatory Information for TALZENNA

TALZENNA is protected by six US patents and one FDA Regulatory Exclusivity.

Based on analysis by DrugPatentWatch, the earliest date for a generic version of TALZENNA 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
Pfizer TALZENNA talazoparib tosylate CAPSULE;ORAL 217439-006 Mar 7, 2024 RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Pfizer TALZENNA talazoparib tosylate CAPSULE;ORAL 211651-003 Sep 20, 2021 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Pfizer TALZENNA talazoparib tosylate CAPSULE;ORAL 211651-006 Jun 20, 2023 DISCN Yes No ⤷  Start Trial ⤷  Start Trial Y Y ⤷  Start Trial
Pfizer TALZENNA talazoparib tosylate CAPSULE;ORAL 217439-004 Mar 7, 2024 RX Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Pfizer TALZENNA talazoparib tosylate CAPSULE;ORAL 217439-005 Mar 7, 2024 RX 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

International Patents for TALZENNA

When does loss-of-exclusivity occur for TALZENNA?

Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:

Argentina

Patent: 2970
Patent: DERIVADOS DEDIHIDROPIRIDOFTALAZINONA, COMPOSICIONES FARMACEUTICAS QUE LOS COMPRENDEN Y USO DE LOS MISMOS EN EL TRATAMIENTO Y/O PREVENCION DE ENFERMEDADES ASOCIADAS CON LA ENZIMA POLI(ADP RIBOSA) POLIMERASA(PARP), TALES COMO CANCER Y ENFERMEDADES VASCULARES, ENTRE OTRAS.
Estimated Expiration: ⤷  Start Trial

Australia

Patent: 09279944
Patent: Dihydropyridophthalazinone inhibitors of poly(ADP-ribose)polymerase (PARP)
Estimated Expiration: ⤷  Start Trial

Brazil

Patent: 0917119
Patent: composto, composição farmacêutica, métodos para inibir a poli(adp-ribose) polimerase em um paciente, para tratar uma doença, uso de um composto, e, artigo de fabricação.
Estimated Expiration: ⤷  Start Trial

Canada

Patent: 32797
Patent: INHIBITEURS DE POLY(ADP-RIBOSE)POLYMERASE (PARP) DE TYPE DIHYDROPYRIDOPHTALAZINONE (DIHYDROPYRIDOPHTHALAZINONE INHIBITORS OF POLY(ADP-RIBOSE)POLYMERASE (PARP))
Estimated Expiration: ⤷  Start Trial

China

Patent: 2171214
Patent: Dihydropyridophthalazinone inhibitors of poly(ADP-ribose)polymerase (PARP)
Estimated Expiration: ⤷  Start Trial

Patent: 3896942
Patent: Dihydropyridophthalazinone inhibitors of poly(ADP-ribose)polymerase (PARP)
Estimated Expiration: ⤷  Start Trial

Patent: 4478875
Patent: Dihydropyridophthalazinone inhibitors of poly(ADP-ribose)polymerase (PARP)
Estimated Expiration: ⤷  Start Trial

Croatia

Patent: 0170982
Estimated Expiration: ⤷  Start Trial

Cyprus

Patent: 15022
Estimated Expiration: ⤷  Start Trial

Patent: 19218
Estimated Expiration: ⤷  Start Trial

Patent: 19044
Estimated Expiration: ⤷  Start Trial

Denmark

Patent: 26650
Estimated Expiration: ⤷  Start Trial

Patent: 67537
Estimated Expiration: ⤷  Start Trial

European Patent Office

Patent: 26650
Patent: INHIBITEURS DE POLY(ADP-RIBOSE)POLYMÉRASE (PARP) DE TYPE DIHYDROPYRIDOPHTALAZINONE (DIHYDROPYRIDOPHTHALAZINONE INHIBITORS OF POLY(ADP-RIBOSE)POLYMERASE (PARP))
Estimated Expiration: ⤷  Start Trial

Patent: 67537
Patent: Inhibiteurs de type dihydropyridophthalazinone de poly(ADP-ribose)polymérase (PARP) (Dihydropyridophthalazinone inhibitors of poly(ADP-ribose)polymerase (PARP))
Estimated Expiration: ⤷  Start Trial

Patent: 41832
Patent: INHIBITEURS DIHYDROPYRIDOPHTHALAZINONE DE POLY (ADP-RIBOSE) POLYMÉRASE (PARP) (DIHYDROPYRIDOPHTHALAZINONE INHIBITORS OF POLY(ADP-RIBOSE)POLYMERASE (PARP))
Estimated Expiration: ⤷  Start Trial

France

Patent: C1071
Estimated Expiration: ⤷  Start Trial

Hong Kong

Patent: 57755
Estimated Expiration: ⤷  Start Trial

Patent: 00813
Estimated Expiration: ⤷  Start Trial

Hungary

Patent: 35295
Estimated Expiration: ⤷  Start Trial

Patent: 900053
Estimated Expiration: ⤷  Start Trial

Israel

Patent: 1070
Patent: דיהידרופירידופתאלאזינון כמעקב של פולי (adp-ריבוז)פולימראז (Dihydropyridophthalazinone inhibitors of poly(adp-ribose)polymerase)
Estimated Expiration: ⤷  Start Trial

Japan

Patent: 84389
Estimated Expiration: ⤷  Start Trial

Patent: 11530513
Estimated Expiration: ⤷  Start Trial

Patent: 15157843
Patent: ポリ(ADP−リボース)ポリメラーゼ(PARP)のジヒドロピリドフタラジノン阻害剤 (DIHYDROPYRIDOPHTHALAZINONE INHIBITORS OF POLY(ADP-RIBOSE)POLYMERASE (PARP))
Estimated Expiration: ⤷  Start Trial

Patent: 18012698
Patent: ポリ(ADP−リボース)ポリメラーゼ(PARP)のジヒドロピリドフタラジノン阻害剤 (DIHYDROPYRIDOPHTHALAZINONE INHIBITORS OF POLY(ADP-RIBOSE)POLYMERASE (PARP))
Estimated Expiration: ⤷  Start Trial

Lithuania

Patent: 67537
Estimated Expiration: ⤷  Start Trial

Patent: 767537
Estimated Expiration: ⤷  Start Trial

Patent: 2019522
Estimated Expiration: ⤷  Start Trial

Luxembourg

Patent: 0140
Estimated Expiration: ⤷  Start Trial

Mexico

Patent: 11001328
Estimated Expiration: ⤷  Start Trial

New Zealand

Patent: 1166
Estimated Expiration: ⤷  Start Trial

Norway

Patent: 19042
Estimated Expiration: ⤷  Start Trial

Poland

Patent: 26650
Estimated Expiration: ⤷  Start Trial

Patent: 67537
Estimated Expiration: ⤷  Start Trial

Portugal

Patent: 26650
Estimated Expiration: ⤷  Start Trial

Patent: 67537
Estimated Expiration: ⤷  Start Trial

Russian Federation

Patent: 14937
Estimated Expiration: ⤷  Start Trial

Patent: 11108493
Estimated Expiration: ⤷  Start Trial

San Marino

Patent: 01700312
Estimated Expiration: ⤷  Start Trial

Singapore

Patent: 201809895Y
Estimated Expiration: ⤷  Start Trial

Patent: 3842
Estimated Expiration: ⤷  Start Trial

Slovenia

Patent: 26650
Estimated Expiration: ⤷  Start Trial

Patent: 67537
Estimated Expiration: ⤷  Start Trial

South Africa

Patent: 1100897
Estimated Expiration: ⤷  Start Trial

South Korea

Patent: 1846029
Estimated Expiration: ⤷  Start Trial

Patent: 110040973
Patent: DIHYDROPYRIDOPHTHALAZINONE INHIBITORS OF POLY(ADP-RIBOSE)POLYMERASE (PARP)
Estimated Expiration: ⤷  Start Trial

Spain

Patent: 66565
Estimated Expiration: ⤷  Start Trial

Patent: 25817
Estimated Expiration: ⤷  Start Trial

Taiwan

Patent: 1018688
Estimated Expiration: ⤷  Start Trial

Patent: 1422617
Estimated Expiration: ⤷  Start Trial

Patent: 48464
Estimated Expiration: ⤷  Start Trial

United Kingdom

Patent: 13474
Estimated Expiration: ⤷  Start Trial

Patent: 62361
Patent: Dihydropyridophthalazinone inhibitors of poly(ADP-ribose)polymerase (PARP) activity
Estimated Expiration: ⤷  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.

See the table below for additional patents covering TALZENNA around the world.

Country Patent Number Title Estimated Expiration
Argentina 083502 ⤷  Start Trial
Australia 2011317040 ⤷  Start Trial
Australia 2017201564 ⤷  Start Trial
Brazil 112013009117 ⤷  Start Trial
Canada 2814581 ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

Supplementary Protection Certificates for TALZENNA

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
2767537 CA 2019 00055 Denmark ⤷  Start Trial PRODUCT NAME: TALAZOPARIB, EVENTUELT I FORM AF ET FARMACEUTISK ACCEPTABELT SALT; REG. NO/DATE: EU/1/19/1377 20190624
2767537 301021 Netherlands ⤷  Start Trial PRODUCT NAME: TALAZOPARIB, DESGEWENST IN DE VORM VAN EEN FARMACEUTISCH AANVAARDBAAR ZOUT; REGISTRATION NO/DATE: EU/1/19/1377 20190624
2767537 PA2019522 Lithuania ⤷  Start Trial PRODUCT NAME: TALAZOPARIBAS, PASIRINKTINAI FARMACINIU POZIURIU PRIIMTINOS DRUSKOS PAVIDALU; REGISTRATION NO/DATE: EU/1/19/1377 20190620
2767537 LUC00140 Luxembourg ⤷  Start Trial PRODUCT NAME: TALAZOPARIB, EVENTUELLEMENT SOUS LA FORME D'UN SEL PHARMACEUTIQUEMENT ACCEPTABLE; AUTHORISATION NUMBER AND DATE: EU/1/19/1377 20190624
2767537 2019C/551 Belgium ⤷  Start Trial PRODUCT NAME: TALAZOPARIB, OPTIONEEL IN DE VORM VAN EEN FARMACEUTISCH ZOUT; AUTHORISATION NUMBER AND DATE: EU/1/19/1377 20190624
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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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.