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Last Updated: April 19, 2024

ANAPROX DS Drug Patent Profile


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When do Anaprox Ds patents expire, and what generic alternatives are available?

Anaprox Ds is a drug marketed by Atnahs Pharma Us and is included in one NDA.

The generic ingredient in ANAPROX DS is naproxen sodium. There are forty-two drug master file entries for this compound. One hundred and thirty-five suppliers are listed for this compound. Additional details are available on the naproxen sodium profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Anaprox Ds

A generic version of ANAPROX DS was approved as naproxen sodium by CONTRACT PHARMACAL on January 13th, 1997.

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US Patents and Regulatory Information for ANAPROX DS

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 ANAPROX DS naproxen sodium TABLET;ORAL 018164-003 Sep 30, 1987 AB RX Yes Yes ⤷  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 ANAPROX DS

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Atnahs Pharma Us ANAPROX DS naproxen sodium TABLET;ORAL 018164-003 Sep 30, 1987 ⤷  Try a Trial ⤷  Try a Trial
Atnahs Pharma Us ANAPROX DS naproxen sodium TABLET;ORAL 018164-003 Sep 30, 1987 ⤷  Try a Trial ⤷  Try a Trial
Atnahs Pharma Us ANAPROX DS naproxen sodium TABLET;ORAL 018164-003 Sep 30, 1987 ⤷  Try a Trial ⤷  Try a Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

International Patents for ANAPROX DS

See the table below for patents covering ANAPROX DS around the world.

Country Patent Number Title Estimated Expiration
Japan S516667 ⤷  Try a Trial
Canada 983517 PREPARATION OF 2-(6-METHOXY-2-NAPHTHYL) PROPIONIC ACID ⤷  Try a Trial
United Kingdom 1301439 ⤷  Try a Trial
Belgium 734275 ⤷  Try a Trial
Germany 1932389 ⤷  Try a Trial
Finland 66344 ⤷  Try a Trial
Netherlands 7512107 ⤷  Try a Trial
>Country >Patent Number >Title >Estimated Expiration

Supplementary Protection Certificates for ANAPROX DS

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
1411900 2011C/016 Belgium ⤷  Try a Trial PRODUCT NAME: NAPROXENE ET ESOMEPRAZOLE (SOUS LA FORME D'ESOMEPRAZOLE MAGNESIUM TRIHYDRATE); AUTHORISATION NUMBER AND DATE: BE382505 20101214
1411900 SPC/GB11/015 United Kingdom ⤷  Try a Trial PRODUCT NAME: NAPROXEN AND ESOMEPRAZOLE; REGISTERED: UK PL 17901/0263-0001 20101105
1411900 18/2011 Austria ⤷  Try a Trial PRODUCT NAME: NAPROXEN UND ESOMEPRAZOL SOWIE DEREN PHARMAZEUTISCH ANNEHMBARE SALZE; NAT. REGISTRATION NO/DATE: 1-29937 20110105; FIRST REGISTRATION: GB PL 17901/0263-0001 20101105
0984957 PA2011005 Lithuania ⤷  Try a Trial PRODUCT NAME: NAPROXENUM + ESOMEPRAZOLUM; REGISTRATION NO/DATE: LT/1/10/2302/001-LT/1/10/2302/012 20110126
1411900 1190013-1 Sweden ⤷  Try a Trial PRODUCT NAME: NAPROXEN OCH ESOMEPRAZOL; NAT. REG. NO/DATE: MTNR 43248 20101203; FIRST REG.: GB PL 17901/0263 20101105
0984957 122012000051 Germany ⤷  Try a Trial PRODUCT NAME: KOMBINATIONSPRODUKT UMFASSEND NAPROXEN UND ESOMEPRAZOL-MAGNESIUM-TRIHYDRAT; NAT. REGISTRATION NO/DATE: 85145.00.00 20120202; FIRST REGISTRATION: GROSSBRITANNIEN PL 17901/0263 - 0001 20101105
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
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.