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Last Updated: March 28, 2024

NAPRELAN Drug Patent Profile


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Which patents cover Naprelan, and when can generic versions of Naprelan launch?

Naprelan is a drug marketed by Twi Pharms and is included in one NDA.

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

DrugPatentWatch® Litigation and Generic Entry Outlook for Naprelan

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

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US Patents and Regulatory Information for NAPRELAN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Twi Pharms NAPRELAN naproxen sodium TABLET, EXTENDED RELEASE;ORAL 020353-001 Jan 5, 1996 AB RX Yes No ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a Trial
Twi Pharms NAPRELAN naproxen sodium TABLET, EXTENDED RELEASE;ORAL 020353-002 Jan 5, 1996 AB RX Yes No ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a Trial
Twi Pharms NAPRELAN naproxen sodium TABLET, EXTENDED RELEASE;ORAL 020353-003 Jan 5, 1996 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 NAPRELAN

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Twi Pharms NAPRELAN naproxen sodium TABLET, EXTENDED RELEASE;ORAL 020353-001 Jan 5, 1996 ⤷  Try a Trial ⤷  Try a Trial
Twi Pharms NAPRELAN naproxen sodium TABLET, EXTENDED RELEASE;ORAL 020353-002 Jan 5, 1996 ⤷  Try a Trial ⤷  Try a Trial
Twi Pharms NAPRELAN naproxen sodium TABLET, EXTENDED RELEASE;ORAL 020353-003 Jan 5, 1996 ⤷  Try a Trial ⤷  Try a Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

International Patents for NAPRELAN

See the table below for patents covering NAPRELAN around the world.

Country Patent Number Title Estimated Expiration
Philippines 30694 Controlled absorption naproxen formulation for once-daily administration. ⤷  Try a Trial
Germany 69111832 ⤷  Try a Trial
South Africa 9100274 ⤷  Try a Trial
Australia 6933291 ⤷  Try a Trial
Australia 639519 ⤷  Try a Trial
Japan H04217918 NAPROXEN COMBINATION DRUG HAVING ITS ABSORPTION CONTROLLED TO PERMIT ADMINISTRATION ONCE A DAY ⤷  Try a Trial
Denmark 0438249 ⤷  Try a Trial
>Country >Patent Number >Title >Estimated Expiration

Supplementary Protection Certificates for NAPRELAN

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
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 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
1411900 C300481 Netherlands ⤷  Try a Trial PRODUCT NAME: NAPROXEN EN ESOMEPRAZOL; NAT. REGISTRATION NO/DATE: RVG 106235 20101118; FIRST REGISTRATION: PL 17901/0263-001 20101105
1411900 SPC/GB11/015 United Kingdom ⤷  Try a Trial PRODUCT NAME: NAPROXEN AND ESOMEPRAZOLE; REGISTERED: UK PL 17901/0263-0001 20101105
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 SPC/GB11/013 United Kingdom ⤷  Try a Trial PRODUCT NAME: NAPROXEN AND ESOMEPRAZOLE; REGISTERED: UK 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.