Glycerol Phenylbutyrate Patents

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

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 Glycerol Phenylbutyrate's patents.

Latest Legal Activities on Glycerol Phenylbutyrate's Patents

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

Activity	Date	Patent Number
Legal Activities This Week
Payment of Maintenance Fee, 8th Year, Large Entity	22 Jan, 2026	US10045958
Payment of Maintenance Fee, 8th Year, Large Entity	22 Jan, 2026	US10045959
Payment of Maintenance Fee, 8th Year, Large Entity	20 Nov, 2025	US9999608
Payment of Maintenance Fee, 8th Year, Large Entity	23 Oct, 2025	US9962359
Payment of Maintenance Fee, 12th Year, Large Entity	23 Jul, 2025	US8642012(Litigated)
Payment of Maintenance Fee, 12th Year, Large Entity	11 Sep, 2024	US8404215
Payment of Maintenance Fee, 8th Year, Large Entity	26 Jul, 2024	US9561197
Payment of Maintenance Fee, 4th Year, Large Entity	30 Nov, 2023	US10668040
Payment of Maintenance Fee, 8th Year, Large Entity	28 Oct, 2023	US9326966(Litigated)
Payment of Maintenance Fee, 8th Year, Large Entity	07 Aug, 2023	US9254278(Litigated)