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Last Updated: April 29, 2024

NAPROSYN Drug Patent Profile


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When do Naprosyn patents expire, and when can generic versions of Naprosyn launch?

Naprosyn is a drug marketed by Atnahs Pharma Us and is included in two NDAs.

The generic ingredient in NAPROSYN is naproxen. There are forty-two drug master file entries for this compound. Fifty-six suppliers are listed for this compound. Additional details are available on the naproxen profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Naprosyn

A generic version of NAPROSYN was approved as naproxen by GRANULES on December 21st, 1993.

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US Patents and Regulatory Information for NAPROSYN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Atnahs Pharma Us NAPROSYN naproxen SUSPENSION;ORAL 018965-001 Mar 23, 1987 AB RX Yes No ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a Trial
Atnahs Pharma Us NAPROSYN naproxen TABLET;ORAL 017581-004 Apr 15, 1982 AB RX Yes Yes ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a Trial
Atnahs Pharma Us NAPROSYN naproxen TABLET;ORAL 017581-002 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a Trial
Atnahs Pharma Us NAPROSYN naproxen TABLET;ORAL 017581-003 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Expired US Patents for NAPROSYN

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Atnahs Pharma Us NAPROSYN naproxen TABLET;ORAL 017581-004 Apr 15, 1982 ⤷  Try a Trial ⤷  Try a Trial
Atnahs Pharma Us NAPROSYN naproxen TABLET;ORAL 017581-002 Approved Prior to Jan 1, 1982 ⤷  Try a Trial ⤷  Try a Trial
Atnahs Pharma Us NAPROSYN naproxen TABLET;ORAL 017581-004 Apr 15, 1982 ⤷  Try a Trial ⤷  Try a Trial
Atnahs Pharma Us NAPROSYN naproxen SUSPENSION;ORAL 018965-001 Mar 23, 1987 ⤷  Try a Trial ⤷  Try a Trial
Atnahs Pharma Us NAPROSYN naproxen TABLET;ORAL 017581-004 Apr 15, 1982 ⤷  Try a Trial ⤷  Try a Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

Supplementary Protection Certificates for NAPROSYN

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
0984957 CR 2012 00035 Denmark ⤷  Try a Trial PRODUCT NAME: ET KOMBINATIONSPRODUKT AF NAPROXEN OG ESOMEPRAZOL MAGNESIUM TRIHYDRAT; NAT. REG. NO/DATE: 49583 20120327; FIRST REG. NO/DATE: GB PL 17901/0263-001 20101105
0984957 PA2011005,C0984957 Lithuania ⤷  Try a Trial PRODUCT NAME: NAPROXENUM + ESOMEPRAZOLUM; REGISTRATION NO/DATE: LT/1/10/2302/001-LT/1/10/2302/012 20110126
1411900 2011/016 Ireland ⤷  Try a Trial PRODUCT NAME: NAPROXEN AND ESOMEPRAZOLE MODIFIED-RELEASE TABLETS; NAT REGISTRATION NO/DATE: PA0970/060/001 20101221; FIRST REGISTRATION NO/DATE: PL17901/0263-0001 20101105
1411900 122012000052 Germany ⤷  Try a Trial PRODUCT NAME: NAPROXEN MIT ESOMEPRAZOL; NAT. REGISTRATION NO/DATE: 85145.00.00 20120202; FIRST REGISTRATION: GROSSBRITANNIEN PL 17901/0263 - 0001 20101105
1411900 SPC/GB11/015 United Kingdom ⤷  Try a Trial PRODUCT NAME: NAPROXEN AND ESOMEPRAZOLE; REGISTERED: UK PL 17901/0263-0001 20101105
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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