Methimazole Patent Expiration

Methimazole was first introduced by King Pharmaceuticals Inc in its drug Tapazole on Approved Prior to Jan 1, 1982. 12 different companies have introduced drugs containing Methimazole.


About Veterinary Methimazole

Methimazole is used in drugs marketed by 3 different companies: Felix Pharmaceuticals Pvt Ltd, Norbrook Laboratories Ltd, Dechra Ltd.

Other drugs containing Methimazole are: Methimazole coated tablets , Felanorm , Felimazole .

Methimazole Petitions

Details of Methimazole's suitability petitions are listed below.

Petitioner Action Date of Action Description
Suitability Petitions
Ceva Santé Animale Approved
Mizner Bioscience, LLC Approved
Felix Pharmaceuticals Pvt. Ltd. Approved
e5 Pharma, LLC Denied
Norbrook Laboratories, Ltd. Approved
e5 Pharma, LLC. Approved 26 Aug, 2014 The generic product will differ in dosage form. The RLNAD is approved as a film-coated tablet. The proposed dosage form is a soft chewable tablet.

Methimazole's Family Patents

Family Patents

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Methimazole Generic API Manufacturers

Several generic applications have been filed for Methimazole. The first generic version for Methimazole was by Mylan Pharmaceuticals Inc and was approved on Mar 29, 2000. And the latest generic version is by Square Pharmaceuticals Plc and was approved on Feb 5, 2025.

Given below is the list of companies who have filed for Methimazole generic, along with the locations of their manufacturing plants worldwide.