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Amoxicillin Patent Expiration

Amoxicillin is Used for treating tonsillitis and/or pharyngitis caused by Streptococcus pyogenes with once-a-day amoxicillin product. It was first introduced by Glaxosmithkline in its drug Amoxil on Approved Prior to Jan 1, 1982. Other drugs containing Amoxicillin are Larotid, Moxatag. 21 different companies have introduced drugs containing Amoxicillin.


Amoxicillin Patents

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

Filter patents by

Country : United States (US)
Patent Category : All
Drug Used in Drug Patent Number Drug Patent Title Drug Patent Expiry Drug Owner
Moxatag US8299052 Pharmaceutical compositions and methods for improved bacterial eradication May 07, 2027 Pragma
Moxatag US8357394 Compositions and methods for improved efficacy of penicillin-type antibiotics Dec 08, 2026 Pragma
Moxatag US8778924 Modified release amoxicillin products Dec 08, 2026 Pragma
Moxatag US6544555 Antibiotic product, use and formulation thereof Oct 13, 2020

(Expired)

 Pragma
Moxatag US6669948 Antibiotic product, use and formulation thereof Oct 13, 2020

(Expired)

 Pragma
Moxatag US6723341 Antibiotic product, use and formulation thereof Oct 13, 2020

(Expired)

 Pragma



Amoxicillin Petitions

Details of Amoxicillin's suitability petitions are listed below.

Petitioner Action Date of Action Description
Schafer Veterinary Consultants, LLC Approved 19 Jan, 2022 The proposed change is the addition of a 500 mg tablet strength for use in dogs only. The RLNAD is approved as chewable tablets in a 62.5 mg tablet strength for use in dogs and cats and in 125 mg, 250 mg, and 375 mg tablet strengths for use in dogs only.
Smart Drug Systems, Inc. Acknowledged 21 May, 2004 The generic product will have a different strength from the pioneer.
Smart Drug Systems, Inc. Denied 13 May, 2004 The generic product will have a different strength from the pioneer.
Smart Drug Systems, Inc. Filed 20 Jan, 2004 The generic product will have a different strength from the pioneer.
Vétoquinol N.-A., Inc. Approved 19 Dec, 2001 The proposed generic product dosage form is a paste.

Amoxicillin's Family Patents

Family Patents

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Amoxicillin Generic API Manufacturers

Several generic applications have been filed for Amoxicillin. The first generic version for Amoxicillin was by Apothecon Inc Div Bristol Myers Squibb and was approved on Approved Prior to Jan 1, 1982. And the latest generic version is by Micro Labs Ltd and was approved on Jun 24, 2022.

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