Mifepristone Patent Expiration

Mifepristone is used for managing symptoms associated with Cushing's syndrome. It was first introduced by Danco Laboratories Llc in its drug Mifeprex on Sep 28, 2000. Another drug containing Mifepristone is Korlym. 4 different companies have introduced drugs containing Mifepristone.


Mifepristone Patents

Given below is the list of patents protecting Mifepristone, 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
Korlym US10006924 Method for differentially diagnosing ACTH-dependent cushing's syndrome Aug 12, 2036 Corcept Therap
Korlym US10151763 Treatment and differential diagnosis of Cushing's disease and ectopic Cushing's syndrome Jan 18, 2037 Corcept Therap
Korlym US10166242 Optimizing mifepristone levels for Cushing's patients Apr 20, 2036 Corcept Therap
Korlym US10166243 Optimizing mifepristone levels for cushing'S patients Apr 20, 2036 Corcept Therap
Korlym US10195214 Concomitant administration of glucocorticoid receptor modulators and CYP3A inhibitors Jun 19, 2037 Corcept Therap
Korlym US10231983 Use of ACTH in assessment and prophylactic treatment of hypokalemia associated with glucocorticoid receptor modulator treatment of Cushing's syndrome patients Aug 22, 2038 Corcept Therap
Korlym US10314850 Use of ACTH in assessment and prophylactic treatment of hypokalemia associated with glucocorticoid receptor modulator treatment of Cushing's syndrome patients Aug 22, 2038 Corcept Therap
Korlym US10495650 Method for differentially diagnosing ACTH-dependent Cushing's syndrome Aug 12, 2036 Corcept Therap
Korlym US10500216 Optimizing mifepristone absorption Mar 05, 2033 Corcept Therap
Korlym US10660904 Optimizing mifepristone levels for cushing's patients Apr 20, 2036 Corcept Therap
Korlym US10780097 Use of cortisol in assessment and prophylactic treatment of hypokalemia associated with glucocorticoid receptor modulator treatment of Cushing's syndrome patients Aug 22, 2038 Corcept Therap
Korlym US10842800 Concomitant administration of glucocorticoid receptor modulators and CYP3A inhibitors Jun 19, 2037 Corcept Therap
Korlym US10842801 Optimizing mifepristone absorption Nov 15, 2032 Corcept Therap
Korlym US11969435 Concomitant administration of glucocorticoid receptor modulators and CYP3A inhibitors Jun 19, 2037 Corcept Therap
Korlym US8921348 Optimizing mifepristone levels in plasma serum of patients suffering from mental disorders treatable with glucocorticoid receptor antagonists Aug 27, 2028 Corcept Therap
Korlym US9829495 Method for differentially diagnosing ACTH-dependent Cushing's syndrome Aug 15, 2036 Corcept Therap
Korlym US9943526 Optimizing mifepristone levels for cushing's patients Apr 20, 2036 Corcept Therap


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Mifepristone Generics

Several generic applications have been filed for Mifepristone. The first generic version for Mifepristone was by Genbiopro Inc and was approved on Apr 11, 2019. And the latest generic version is by Teva Pharmaceuticals Usa Inc and was approved on Aug 3, 2020.

Given below is the list of companies who have filed for Mifepristone generic.


1. TEVA PHARMS USA INC

Teva Pharmaceuticals Usa Inc has filed for 1 generic for Mifepristone. Given below are the details of the strengths of this generic introduced by Teva Pharms Usa Inc.

Strength Dosage Form Availability Application Pathway TE code Launch Date
300MG tablet Prescription ORAL AB Aug 3, 2020


2. GENBIOPRO

Genbiopro Inc has filed for 1 generic for Mifepristone. Given below are the details of the strengths of this generic introduced by Genbiopro.

Strength Dosage Form Availability Application Pathway TE code Launch Date
200MG tablet Prescription ORAL AB Apr 11, 2019