Tazemetostat Hydrobromide Patent Expiration

Tazemetostat Hydrobromide is used for treating certain types of sarcoma and relapsed or refractory follicular lymphoma with EZH2 mutations. It was first introduced by Epizyme Inc in its drug Tazverik on Jan 23, 2020.


Tazemetostat Hydrobromide Patents

Given below is the list of patents protecting Tazemetostat Hydrobromide, 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
Tazverik US10786511 Method for treating cancer Dec 19, 2035 Epizyme Inc
Tazverik US10369155 Method for treating cancer Oct 16, 2035 Epizyme Inc
Tazverik US9889138 Method for treating cancer Oct 16, 2035 Epizyme Inc
Tazverik US9688665 Methods of treating cancer Aug 22, 2034 Epizyme Inc
Tazverik US8410088 Aryl- or heteroaryl-substituted benzene compounds Jan 23, 2034 Epizyme Inc
Tazverik US10245269 Salt form of a human histone methyltransferase EZH2 inhibitor Apr 11, 2033 Epizyme Inc
Tazverik US10821113 Salt form of a human histone methyltransferase EZH2 inhibitor Apr 11, 2033 Epizyme Inc
Tazverik US11491163 Salt form of a human histone methyltransferase EZH2 inhibitor Apr 11, 2033 Epizyme Inc
Tazverik US9394283 Salt form of a human histone methyltransferase EZH2 inhibitor Apr 11, 2033 Epizyme Inc
Tazverik US9872862 Salt form of a human histone methyltransferase EZH2 inhibitor Apr 11, 2033 Epizyme Inc
Tazverik US11052093 Aryl-or heteroaryl-substituted benzene compounds Apr 13, 2032 Epizyme Inc
Tazverik US9522152 Aryl- or heteroaryl-substituted benzene compounds Apr 13, 2032 Epizyme Inc
Tazverik US10155002 Aryl- or heteroaryl-substituted benzene compounds Sep 12, 2031 Epizyme Inc
Tazverik US10420775 Aryl-or heteroaryl-substituted benzene compounds Sep 12, 2031 Epizyme Inc
Tazverik US8691507 Inhibitors of human EZH2 and methods of use thereof Sep 12, 2031 Epizyme Inc
Tazverik US8765732 Aryl- or heteroaryl-substituted benzene compounds Sep 12, 2031 Epizyme Inc
Tazverik US8895245 Inhibitors of human EZH2 and methods of use thereof Sep 12, 2031 Epizyme Inc
Tazverik US9090562 Aryl- or heteroaryl-substituted benzene compounds Sep 12, 2031 Epizyme Inc
Tazverik US9175331 Inhibitors of human EZH2, and methods of use thereof Sep 12, 2031 Epizyme Inc
Tazverik US9333217 Inhibitors of human EZH2, and methods of use thereof Sep 12, 2031 Epizyme Inc
Tazverik US9334527 Inhibitors of human EZH2, and methods of use thereof Sep 12, 2031 Epizyme Inc
Tazverik US9549931 Aryl- or heteroaryl-substituted benzene compounds Sep 12, 2031 Epizyme Inc
Tazverik US9855275 Aryl-or heteroaryl-substituted benzene compounds Sep 12, 2031 Epizyme Inc
Tazverik US9949999 Inhibitors of human EZH2, and methods of use thereof Sep 12, 2031 Epizyme Inc



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 Tazemetostat Hydrobromide's patents.

Given below is the list recent legal activities going on the following patents of Tazemetostat Hydrobromide.

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 8th Year, Large Entity 10 Jul, 2024 US9549931
Patent eCofC Notification 11 Jun, 2024 US9394283
Recordation of Patent eCertificate of Correction 11 Jun, 2024 US9394283
Mail Patent eCofC Notification 11 Jun, 2024 US9394283
Email Notification 11 Jun, 2024 US9394283
Payment of Maintenance Fee, 8th Year, Large Entity 05 Jun, 2024 US9522152
Email Notification 17 Apr, 2024 US9889138
Payment of Maintenance Fee, 4th Year, Large Entity 17 Apr, 2024 US10821113
Email Notification 16 Apr, 2024 US9889138
Mail Patent eCofC Notification 16 Apr, 2024 US9889138


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