Phenobarbital Sodium Patent Expiration

Phenobarbital Sodium is used for treating neonatal seizures. It was first introduced by Sun Pharmaceutical Industries Inc in its drug Sezaby on Nov 17, 2022.


Phenobarbital Sodium Patents

Given below is the list of patents protecting Phenobarbital Sodium, 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
Sezaby US11857683 Stabilization of phenobarbital sodium for injection Apr 07, 2042 Sun Pharm Inds 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 Phenobarbital Sodium's patents.

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

Event Date Patent/Publication
Patent litigations
Patent eGrant Notification 02 Jan, 2024 US11857683
Mail Patent eGrant Notification 02 Jan, 2024 US11857683
Email Notification 02 Jan, 2024 US11857683
Recordation of Patent Grant Mailed 02 Jan, 2024 US11857683
Recordation of Patent eGrant 02 Jan, 2024 US11857683
Patent Issue Date Used in PTA Calculation 02 Jan, 2024 US11857683
Email Notification 14 Dec, 2023 US11857683
Issue Notification Mailed 13 Dec, 2023 US11857683
Application Is Considered Ready for Issue 29 Nov, 2023 US11857683
Dispatch to FDC 29 Nov, 2023 US11857683



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