Naproxen Sodium Patent Expiration
Naproxen Sodium was first introduced by Atnahs Pharma Us Ltd
Naproxen Sodium Patents
Given below is the list of patents protecting Naproxen Sodium, 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 |
|---|---|---|---|---|
| Naprelan | US5637320 | Controlled absorption naproxen formulation for once-daily administration |
Jun 10, 2014
(Expired) | Twi Pharms |
| Naproxen Sodium | US10022344 | Liquid dosage forms of sodium naproxen | Mar 03, 2026 | Bionpharma |
| Naproxen Sodium | US10028925 | Liquid dosage forms of sodium naproxen | Mar 03, 2026 | Bionpharma |
| Naproxen Sodium | US11090280 | Liquid dosage forms of sodium naproxen | Mar 03, 2026 | Bionpharma |
| Naproxen Sodium | US9693978 | Solvent system for enhancing the solubility of pharmaceutical agents | Mar 03, 2026 | Bionpharma |
| Naproxen Sodium | US9693979 | Liquid dosage forms of sodium naproxen | Mar 03, 2026 | Bionpharma |
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 Naproxen Sodium's patents.
Latest Legal Activities on Naproxen Sodium's Patents
Given below is the list recent legal activities going on the following patents of Naproxen Sodium.
| Event | Date | Patent/Publication |
|---|---|---|
 | ||
| Payment of Maintenance Fee, 4th Year, Large Entity | 12 Jan, 2022 | US10028925 |
| Payment of Maintenance Fee, 4th Year, Large Entity | 05 Jan, 2022 | US10022344 |
| Patent Issue Date Used in PTA Calculation | 17 Aug, 2021 | US11090280 |
| Recordation of Patent Grant Mailed | 17 Aug, 2021 | US11090280 |
| Email Notification | 29 Jul, 2021 | US11090280 |
| Issue Notification Mailed | 28 Jul, 2021 | US11090280 |
| Application Is Considered Ready for Issue | 22 Jul, 2021 | US11090280 |
| Dispatch to FDC | 22 Jul, 2021 | US11090280 |
| Response to Reasons for Allowance | 13 Jul, 2021 | US11090280 |
| Issue Fee Payment Verified | 13 Jul, 2021 | US11090280 |
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Naproxen Sodium Generics
Several generic applications have been filed for Naproxen Sodium. The first generic version for Naproxen Sodium was by Hamilton Pharmaceuticals Ltd and was approved on Aug 31, 1993. And the latest generic version is by Patheon Softgels Bv and was approved on Jan 10, 2023.
Given below is the list of companies who have filed for Naproxen Sodium generic.
1. TEVA
Teva Pharmaceuticals Usa Inc has filed for 2 different strengths of generic version for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Teva.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 250MG BASE | tablet | Discontinued | ORAL | N/A | Dec 21, 1993 |
| EQ 500MG BASE | tablet | Discontinued | ORAL | N/A | Dec 21, 1993 |
2. STRIDES PHARMA
Strides Pharma Global Pte Ltd has filed for 1 generic for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Strides Pharma.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 200MG BASE | capsule | Discontinued | ORAL | N/A | Aug 17, 2022 |
3. MARKSANS PHARMA
Marksans Pharma Ltd has filed for 1 generic for Naproxen Sodium. 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 |
|---|---|---|---|---|---|
| 220MG | tablet | Over the counter | ORAL | N/A | Mar 16, 2011 |
4. IVAX SUB TEVA PHARMS
Ivax Pharmaceuticals Inc Sub Teva Pharmaceuticals Usa has filed for 2 different strengths of generic version for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Ivax Sub Teva Pharms.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 250MG BASE | tablet | Discontinued | ORAL | N/A | Mar 14, 1995 |
| EQ 500MG BASE | tablet | Discontinued | ORAL | N/A | Mar 14, 1995 |
5. HAMILTON PHARMS
Hamilton Pharmaceuticals Ltd has filed for 2 different strengths of generic version for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Hamilton Pharms.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 250MG BASE | tablet | Discontinued | ORAL | N/A | Aug 31, 1993 |
| EQ 500MG BASE | tablet | Discontinued | ORAL | N/A | Aug 31, 1993 |
6. GRANULES INDIA
Granules India Ltd has filed for 1 generic for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Granules India.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 220MG | tablet | Over the counter | ORAL | N/A | Sep 20, 2011 |
7. PLD ACQUISITIONS LLC
Pld Acquisitions Llc has filed for 1 generic for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Pld Acquisitions Llc.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 220MG | tablet | Discontinued | ORAL | N/A | Jan 13, 1997 |
8. LNK INTL INC
Lnk International Inc has filed for 1 generic for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Lnk Intl Inc.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 220MG | tablet | Over the counter | ORAL | N/A | Jan 23, 2017 |
9. PERRIGO
L Perrigo Co has filed for 1 generic for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Perrigo.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 220MG | tablet | Over the counter | ORAL | N/A | Jan 13, 1997 |
10. HIKMA
Hikma Pharmaceuticals has filed for 2 different strengths of generic version for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Hikma.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 500MG BASE | tablet | Discontinued | ORAL | N/A | May 14, 1996 |
| EQ 250MG BASE | tablet | Discontinued | ORAL | N/A | Feb 18, 1998 |
11. WATSON LABS
Watson Laboratories Inc has filed for 2 different strengths of generic version for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Watson Labs.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 250MG BASE | tablet | Discontinued | ORAL | N/A | May 31, 1995 |
| EQ 500MG BASE | tablet | Discontinued | ORAL | N/A | May 31, 1995 |
12. AMNEAL PHARMS NY
Amneal Pharmaceuticals Ny Llc has filed for 3 different strengths of generic version for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Amneal Pharms Ny.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 500MG BASE | tablet | Prescription | ORAL | AB | Apr 25, 2007 |
| EQ 250MG BASE | tablet | Prescription | ORAL | AB | Apr 25, 2007 |
| 220MG | tablet | Over the counter | ORAL | N/A | Dec 16, 2008 |
13. SUN PHARM INDS LTD
Sun Pharmaceutical Industries Ltd has filed for 1 generic for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Sun Pharm Inds Ltd.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 220MG | tablet | Discontinued | ORAL | N/A | May 20, 2011 |
14. PURACAP PHARM LLC
Puracap Pharmaceutical Llc has filed for 1 generic for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Puracap Pharm Llc.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 200MG BASE | capsule | Over the counter | ORAL | N/A | Mar 15, 2018 |
15. NOVELGENIX THERAPS
Novelgenix Therapeutics Pvt Ltd has filed for 1 generic for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Novelgenix Theraps.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 220MG | tablet | Over the counter | ORAL | N/A | Nov 16, 2018 |
16. PLIVA
Pliva Inc has filed for 2 different strengths of generic version for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Pliva.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 250MG BASE | tablet | Discontinued | ORAL | N/A | Jun 20, 1996 |
| EQ 500MG BASE | tablet | Discontinued | ORAL | N/A | Jun 20, 1996 |
17. CATALENT
Catalent Pharma Solutions Llc has filed for 1 generic for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Catalent.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 200MG BASE | capsule | Over the counter | ORAL | N/A | Jan 4, 2019 |
18. PUREPAC PHARM
Purepac Pharmaceutical Co has filed for 2 different strengths of generic version for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Purepac Pharm.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 500MG BASE | tablet | Discontinued | ORAL | N/A | Mar 20, 1995 |
| EQ 250MG BASE | tablet | Discontinued | ORAL | N/A | Mar 20, 1995 |
19. DR REDDYS LABS LTD
Dr Reddys Laboratories Ltd has filed for 2 different strengths of generic version for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Dr Reddys Labs Ltd.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 250MG BASE | tablet | Prescription | ORAL | AB | Jul 26, 2007 |
| EQ 500MG BASE | tablet | Prescription | ORAL | AB | Jul 26, 2007 |
20. ROXANE
Roxane Laboratories Inc has filed for 2 different strengths of generic version for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Roxane.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 500MG BASE | tablet | Discontinued | ORAL | N/A | Dec 21, 1993 |
| EQ 250MG BASE | tablet | Discontinued | ORAL | N/A | Dec 21, 1993 |
21. SANDOZ
Sandoz Inc has filed for 2 different strengths of generic version for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Sandoz.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 250MG BASE | tablet | Discontinued | ORAL | N/A | Dec 5, 1994 |
| EQ 500MG BASE | tablet | Discontinued | ORAL | N/A | Dec 5, 1994 |
22. PATHEON SOFTGELS
Patheon Softgels Bv has filed for 1 generic for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Patheon Softgels.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 200MG BASE | capsule | Over the counter | ORAL | N/A | Jan 10, 2023 |
23. ABLE
Able Laboratories Inc has filed for 2 different strengths of generic version for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Able.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 500MG BASE | tablet | Discontinued | ORAL | N/A | Aug 22, 2003 |
| EQ 250MG BASE | tablet | Discontinued | ORAL | N/A | Aug 22, 2003 |
24. HETERO LABS LTD V
Hetero Labs Ltd Unit V has filed for 1 generic for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Hetero Labs Ltd V.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 220MG | tablet | Over the counter | ORAL | N/A | Oct 28, 2022 |
25. CONTRACT PHARMACAL
Contract Pharmacal Corp has filed for 1 generic for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Contract Pharmacal.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 220MG | tablet | Discontinued | ORAL | N/A | Feb 27, 1997 |
26. SCIEGEN PHARMS INC
Sciegen Pharmaceuticals Inc has filed for 2 different strengths of generic version for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Sciegen Pharms Inc.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 250MG BASE | tablet | Prescription | ORAL | AB | Oct 30, 2019 |
| EQ 500MG BASE | tablet | Prescription | ORAL | AB | Oct 30, 2019 |
27. GLENMARK PHARMS LTD
Glenmark Pharmaceuticals Ltd has filed for 2 different strengths of generic version for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Glenmark Pharms Ltd.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 500MG BASE | tablet | Prescription | ORAL | AB | Apr 27, 2007 |
| EQ 250MG BASE | tablet | Prescription | ORAL | AB | Apr 27, 2007 |
28. MYLAN
Mylan Pharmaceuticals Inc has filed for 2 different strengths of generic version for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Mylan.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 500MG BASE | tablet | Discontinued | ORAL | N/A | Aug 31, 1994 |
| EQ 250MG BASE | tablet | Discontinued | ORAL | N/A | Aug 31, 1994 |
29. YICHANG HUMANWELL
Yichang Humanwell Pharmaceutical Co Ltd has filed for 1 generic for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Yichang Humanwell.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 220MG | tablet | Over the counter | ORAL | N/A | Aug 30, 2019 |
30. TEVA PHARMS
Teva Pharmaceuticals Usa has filed for 2 different strengths of generic version for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Teva Pharms.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 500MG BASE | tablet | Discontinued | ORAL | N/A | Jan 27, 1994 |
| EQ 250MG BASE | tablet | Discontinued | ORAL | N/A | Jan 27, 1994 |
31. AUROBINDO PHARMA LTD
Aurobindo Pharma Ltd has filed for 3 different strengths of generic version for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Aurobindo Pharma Ltd.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 250MG BASE | tablet | Prescription | ORAL | AB | Oct 31, 2011 |
| EQ 500MG BASE | tablet | Prescription | ORAL | AB | Oct 31, 2011 |
| 220MG | tablet | Over the counter | ORAL | N/A | Mar 18, 2016 |
32. DR REDDYS LABS INC
Dr Reddys Laboratories Inc has filed for 1 generic for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Dr Reddys Labs Inc.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| 220MG | tablet | Over the counter | ORAL | N/A | Jul 28, 1998 |
33. ACTAVIS LABS FL INC
Actavis Laboratories Fl Inc has filed for 3 different strengths of generic version for Naproxen Sodium. Given below are the details of the strengths of this generic introduced by Actavis Labs Fl Inc.
| Strength | Dosage Form | Availability | Application Pathway | TE code | Launch Date |
|---|---|---|---|---|---|
| EQ 500MG BASE | tablet, extended release | Prescription | ORAL | AB | Aug 27, 2002 |
| EQ 375MG BASE | tablet, extended release | Prescription | ORAL | AB | Apr 23, 2003 |
| EQ 750MG BASE | tablet, extended release | Prescription | ORAL | AB | Aug 11, 2016 |