Cinacalcet Hydrochloride is Used for treating hyperparathyroidism and hypercalcemia by decreasing parathyroid hormone levels and modulating its secretion. It was first introduced by Amgen Inc in its drug Sensipar on Mar 8, 2004. 16 different companies have introduced drugs containing Cinacalcet Hydrochloride.

Cinacalcet Hydrochloride Patents

Given below is the list of patents protecting Cinacalcet Hydrochloride, 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
Sensipar	US6011068	Calcium receptor-active molecules	Mar 08, 2018 (Expired)	Amgen
Sensipar	US6031003	Calcium receptor-active molecules	Dec 14, 2016 (Expired)	Amgen
Sensipar	US6211244	Calcium receptor-active compounds	Oct 23, 2015 (Expired)	Amgen
Sensipar	US6313146	Calcium receptor-active molecules	Dec 14, 2016 (Expired)	Amgen
Sensipar	US7829595	Rapid dissolution formulation of a calcium receptor-active compound	Sep 22, 2026	Amgen
Sensipar	US9375405	Rapid dissolution formulation of a calcium receptor-active compound	Sep 22, 2026	Amgen

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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 Cinacalcet Hydrochloride's patents.

Latest Legal Activities on Cinacalcet Hydrochloride's Patents

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

Event	Date	Patent/Publication
Today's Critical Events
Payment of Maintenance Fee, 8th Year, Large Entity	21 Nov, 2023	US9375405
Payment of Maintenance Fee, 12th Year, Large Entity	21 Apr, 2022	US7829595
Payment of Maintenance Fee, 4th Year, Large Entity	13 Dec, 2019	US9375405
Payment of Maintenance Fee, 8th Year, Large Entity	27 Apr, 2018	US7829595
Post Issue Communication - Certificate of Correction	13 Feb, 2018	US9375405
Patent Issue Date Used in PTA Calculation	28 Jun, 2016	US9375405
Recordation of Patent Grant Mailed	28 Jun, 2016	US9375405
Issue Notification Mailed	08 Jun, 2016	US9375405
Dispatch to FDC	25 May, 2016	US9375405
Application Is Considered Ready for Issue	25 May, 2016	US9375405

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