Cenobamate Patent Expiration

Cenobamate is Used for treating partial onset seizures through co-administration with phenobarbital and/or phenytoin. It was first introduced by Sk Life Science Inc in its drug Xcopri on Mar 10, 2020.


Cenobamate Patents

Given below is the list of patents protecting Cenobamate, 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
Xcopri US11654133 Use of [(1R)-1-(2-chlorophenyl)-2-(tetrazol-2-yl)ethyl] carbamate in combination therapy Jun 16, 2039 Sk Life
Xcopri US7598279 Neurotherapeutic azole compounds Oct 30, 2032 Sk Life


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 Cenobamate's patents.

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

Event Date Patent/Publication
Patent litigations
Electronic Review 07 Jun, 2024 US7598279
Mail Pub Notice re 312 amendment 20 Mar, 2024 US7598279
Email Notification 20 Mar, 2024 US7598279
Post Issue Communication - Certificate of Correction Denied 15 Mar, 2024 US7598279
POST ISSUE OTHER COMMUNICATION TO APPLICANT- CERTIFICATE OF CORRECTION 14 Mar, 2024 US7598279
Patent Term Extension Certificate 09 Nov, 2023 US7598279
Notice of Final Determination -Eligible 09 Aug, 2023 US7598279
FDA Final Eligibility Letter 13 Jul, 2023 US7598279
Patent Issue Date Used in PTA Calculation 23 May, 2023 US11654133
Recordation of Patent eGrant 23 May, 2023 US11654133



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