Baloxavir Marboxil Patent Expiration

Baloxavir Marboxil is used for prevention and treatment of influenza. It was first introduced by Genentech Inc in its drug Xofluza on Oct 24, 2018.


Baloxavir Marboxil Patents

Given below is the list of patents protecting Baloxavir Marboxil, 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
Xofluza US10392406 Substituted polycyclic pyridone derivatives and prodrugs thereof Apr 27, 2036 Genentech Inc
Xofluza US10633397 Substituted polycyclic pyridone derivatives and prodrugs thereof Apr 27, 2036 Genentech Inc
Xofluza US10759814 Pharmaceutical compositions containing substituted polycyclic pyridone derivatives and prodrug thereof Aug 09, 2037 Genentech Inc
Xofluza US11261198 Process for preparing substituted polycyclic pyridone derivative and crystal thereof Sep 25, 2038 Genentech Inc
Xofluza US11306106 Pharmaceutical compositions containing substituted polycyclic pyridone derivatives and prodrug thereof Aug 09, 2037 Genentech Inc
Xofluza US11925648 Solid dosage form having excellent stability Apr 21, 2041 Genentech Inc
Xofluza US8927710 Substituted polycyclic carbamoylpyridone derivative May 05, 2031 Genentech Inc
Xofluza US8987441 Substituted polycyclic carbamoyl pyridone derivative prodrug Sep 21, 2031 Genentech Inc
Xofluza US9815835 Substituted polycyclic carbamolypyridone derivative Jun 14, 2030 Genentech 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 Baloxavir Marboxil's patents.

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

Event Date Patent/Publication
Patent litigations
Mail Patent eGrant Notification 12 Mar, 2024 US11925648
Patent eGrant Notification 12 Mar, 2024 US11925648
Recordation of Patent eGrant 12 Mar, 2024 US11925648
Recordation of Patent Grant Mailed 12 Mar, 2024 US11925648
Email Notification 12 Mar, 2024 US11925648
Patent Issue Date Used in PTA Calculation 12 Mar, 2024 US11925648
Email Notification 22 Feb, 2024 US11925648
Issue Notification Mailed 21 Feb, 2024 US11925648
Payment of Maintenance Fee, 4th Year, Large Entity 14 Feb, 2024 US10759814
Dispatch to FDC 08 Feb, 2024 US11925648



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