Guaifenesin Patent Expiration
Guaifenesin is Used for treating respiratory conditions by promoting the expulsion of mucus from the lungs. It was first introduced by Rb Health Us Llc
Guaifenesin Patents
Given below is the list of patents protecting Guaifenesin, 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 |
---|---|---|---|---|
Mucinex | US6372252 | Guaifenesin sustained release formulation and tablets |
Apr 28, 2020
(Expired) | Rb Hlth |
Mucinex | US6955821 | Sustained release formulations of guaifenesin and additional drug ingredients |
Apr 28, 2020
(Expired) | Rb Hlth |
Mucinex | US7838032 | Sustained release of guaifenesin |
Apr 28, 2020
(Expired) | Rb Hlth |
Guaifenesin's Family Patents

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Guaifenesin Generic API Manufacturers
Several generic applications have been filed for Guaifenesin. The first generic version for Guaifenesin was by Perrigo R And D Co and was approved on Nov 23, 2011. And the latest generic version is by Marksans Pharma Ltd and was approved on Aug 21, 2023.
Given below is the list of companies who have filed for Guaifenesin generic, along with the locations of their manufacturing plants worldwide.
1. ACTAVIS LABS FL
Actavis Laboratories Fl Inc An Indirect Wholly Owned Sub Of Teva Pharmaceuticals Usa Inc has filed for 1 generic for Guaifenesin. Given below are the details of the strengths of this generic introduced by Actavis Labs Fl.
Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
---|---|---|---|---|---|
1.2GM | tablet, extended release | Over the counter | ORAL | N/A | Sep 3, 2015 |
2. AMNEAL PHARMS
Amneal Pharmaceuticals Of New York Llc has filed for 2 different strengths of generic version for Guaifenesin. Given below are the details of the strengths of this generic introduced by Amneal Pharms.
Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
---|---|---|---|---|---|
1.2GM | tablet, extended release | Over the counter | ORAL | N/A | Jul 11, 2018 |
600MG | tablet, extended release | Over the counter | ORAL | N/A | Jul 11, 2018 |
3. AUROBINDO PHARMA
Aurobindo Pharma Ltd has filed for 2 different strengths of generic version for Guaifenesin. Given below are the details of the strengths of this generic introduced by Aurobindo Pharma.
Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
---|---|---|---|---|---|
600MG | tablet, extended release | Over the counter | ORAL | N/A | Oct 21, 2019 |
1.2GM | tablet, extended release | Over the counter | ORAL | N/A | Oct 21, 2019 |
Manufacturing Plant Locations New
Aurobindo Pharma's manufacturing plants are situated in 2 countries - India, United States. Given below are the details of these plant locations as well as the firm names of Aurobindo Pharma as present at those locations.
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India |
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United States |
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4. DR REDDYS
Dr Reddys Laboratories Ltd has filed for 2 different strengths of generic version for Guaifenesin. Given below are the details of the strengths of this generic introduced by Dr Reddys.
Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
---|---|---|---|---|---|
600MG | tablet, extended release | Over the counter | ORAL | N/A | Mar 15, 2022 |
1.2GM | tablet, extended release | Over the counter | ORAL | N/A | Mar 15, 2022 |
5. GRANULES
Granules India Ltd has filed for 2 different strengths of generic version for Guaifenesin. Given below are the details of the strengths of this generic introduced by Granules.
Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
---|---|---|---|---|---|
1.2GM | tablet, extended release | Over the counter | ORAL | N/A | May 8, 2020 |
600MG | tablet, extended release | Over the counter | ORAL | N/A | May 8, 2020 |
Manufacturing Plant Locations New
Granules's manufacturing plants are situated in 2 countries - United States, India. Given below are the details of these plant locations as well as the firm names of Granules as present at those locations.
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United States |
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India |
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6. GUARDIAN DRUG
Guardian Drug Co has filed for 2 different strengths of generic version for Guaifenesin. Given below are the details of the strengths of this generic introduced by Guardian Drug.
Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
---|---|---|---|---|---|
600MG | tablet, extended release | Over the counter | ORAL | N/A | Sep 6, 2017 |
1.2GM | tablet, extended release | Over the counter | ORAL | N/A | Sep 6, 2017 |
Manufacturing Plant Locations New
Guardian Drug's manufacturing plants are situated in 1 country - United States. Given below are the details of these plant locations as well as the firm names of Guardian Drug as present at those locations.
Country | City | Firm Name | ||
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United States |
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7. MARKSANS PHARMA
Marksans Pharma Ltd has filed for 2 different strengths of generic version for Guaifenesin. Given below are the details of the strengths of this generic introduced by Marksans Pharma.
Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
---|---|---|---|---|---|
600MG | tablet, extended release | Over the counter | ORAL | N/A | Aug 21, 2023 |
1.2GM | tablet, extended release | Over the counter | ORAL | N/A | Aug 21, 2023 |
Manufacturing Plant Locations New
Marksans Pharma's manufacturing plants are situated in 2 countries - United States, India. Given below are the details of these plant locations as well as the firm names of Marksans Pharma as present at those locations.
Country | City | Firm Name | ||
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United States |
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India |
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8. OHM LABS INC
Ohm Laboratories Inc has filed for 2 different strengths of generic version for Guaifenesin. Given below are the details of the strengths of this generic introduced by Ohm Labs Inc.
Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
---|---|---|---|---|---|
600MG | tablet, extended release | Over the counter | ORAL | N/A | Jul 16, 2018 |
1.2GM | tablet, extended release | Over the counter | ORAL | N/A | Jul 16, 2018 |
9. PERRIGO R AND D
Perrigo R And D Co has filed for 2 different strengths of generic version for Guaifenesin. Given below are the details of the strengths of this generic introduced by Perrigo R And D.
Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
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600MG | tablet, extended release | Over the counter | ORAL | N/A | Nov 23, 2011 |
1.2GM | tablet, extended release | Over the counter | ORAL | N/A | Nov 5, 2020 |