Talazoparib Tosylate Patent Expiration

Talazoparib Tosylate is used for treating advanced breast cancer and metastatic prostate cancer with specific gene mutations. It was first introduced by Pfizer Inc in its drug Talzenna on Oct 16, 2018.


Talazoparib Tosylate Patents

Given below is the list of patents protecting Talazoparib Tosylate, along with the drug name that holds that patent and the company name owning that drug.

Drug Used in Drug Patent Number Drug Patent Title Drug Patent Expiry Drug Owner
Talzenna US10189837 Crystalline (8S,9R)-5-fluoro-8-(4-fluorophenyl)-9-(1-methyl-1H-1,2,4-triazol-5-yl)-8,9-dihydro-2H-pyrido[4,3,2-de]phthalazin-3(7H)-one tosylate salt Oct 20, 2031 Pfizer
Talzenna US8735392 Crystalline (8S,9R)-5-fluoro-8-(4-fluorophenyl)-9-(1-methyl-1H-1,2,4-triazol-5-yl)-8,9-dihydro-2H-pyrido[4,3,2-de]phthalazin-3(7H)-one tosylate salt Oct 20, 2031 Pfizer
Talzenna US8012976 Dihydropyridophthalazinone inhibitors of poly(ADP-ribose)polymerase (PARP) Oct 19, 2029 Pfizer
Talzenna US10780088 Dihydropyridophthalazinone inhibitors of poly(ADP-ribose)polymerase (PARP) Jul 27, 2029 Pfizer
Talzenna US8420650 Dihydropyridophthalazinone inhibitors of poly(ADP-ribose)polymerase (PARP) Jul 27, 2029 Pfizer
Talzenna US9820985 Dihydropyridophthalazinone inhibitors of poly(ADP-ribose)polymerase (PARP) Jul 27, 2029 Pfizer



A patent's expiry date may change depending upon legal activities going on that patent. Critical activities like abandoning of a patent, term extension of a patent or amendment of its claims can increase or decrease the life of a patent hence affecting its expiry date and in turn affecting the generic launch date of that drug. Tracking these ongoing activities on a patent application helps to keep an eye on the latest developments in the patent process of the drug which can give an idea of how early a drug's generic could be available. The next section provides a list of recent legal activities on Talazoparib Tosylate's patents.

Given below is the list recent legal activities going on the following patents of Talazoparib Tosylate.

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 4th Year, Large Entity 08 Feb, 2024 US10780088
Second letter to regulating agency to determine regulatory review period 04 Dec, 2023 US8012976
Payment of Maintenance Fee, 12th Year, Large Entity 08 Feb, 2023 US8012976
Payment of Maintenance Fee, 4th Year, Large Entity 08 Jun, 2022 US10189837
Payment of Maintenance Fee, 8th Year, Large Entity 14 Oct, 2021 US8735392
Payment of Maintenance Fee, 4th Year, Large Entity 15 Apr, 2021 US9820985
Recordation of Patent Grant Mailed 22 Sep, 2020 US10780088
Patent Issue Date Used in PTA Calculation 22 Sep, 2020 US10780088
Payment of Maintenance Fee, 8th Year, Large Entity 15 Sep, 2020 US8420650
Email Notification 03 Sep, 2020 US10780088


Talazoparib Tosylate's Family Patents

Family Patents

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