Last Updated: August 3, 2026

CETYLEV Drug Patent Profile


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Which patents cover Cetylev, and what generic alternatives are available?

Cetylev is a drug marketed by Arbor Pharms Llc and is included in one NDA. There are three patents protecting this drug.

This drug has one patent family member in one country.

The generic ingredient in CETYLEV is acetylcysteine. There are three drug master file entries for this compound. Fifteen suppliers are listed for this compound. Additional details are available on the acetylcysteine profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Cetylev

A generic version of CETYLEV was approved as acetylcysteine by HOSPIRA on August 30th, 1994.

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Summary for CETYLEV
International Patents:1
US Patents:3
Applicants:1
NDAs:1
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for CETYLEV

US Patents and Regulatory Information for CETYLEV

CETYLEV is protected by three US patents.

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Arbor Pharms Llc CETYLEV acetylcysteine TABLET, EFFERVESCENT;ORAL 207916-002 Jan 29, 2016 DISCN Yes No 9,561,204 ⤷  Start Trial ⤷  Start Trial
Arbor Pharms Llc CETYLEV acetylcysteine TABLET, EFFERVESCENT;ORAL 207916-001 Jan 29, 2016 DISCN Yes No 8,747,894 ⤷  Start Trial Y ⤷  Start Trial
Arbor Pharms Llc CETYLEV acetylcysteine TABLET, EFFERVESCENT;ORAL 207916-002 Jan 29, 2016 DISCN Yes No 8,747,894 ⤷  Start Trial Y ⤷  Start Trial
Arbor Pharms Llc CETYLEV acetylcysteine TABLET, EFFERVESCENT;ORAL 207916-002 Jan 29, 2016 DISCN Yes No 9,427,421 ⤷  Start Trial Y ⤷  Start Trial
Arbor Pharms Llc CETYLEV acetylcysteine TABLET, EFFERVESCENT;ORAL 207916-001 Jan 29, 2016 DISCN Yes No 9,427,421 ⤷  Start Trial Y ⤷  Start Trial
Arbor Pharms Llc CETYLEV acetylcysteine TABLET, EFFERVESCENT;ORAL 207916-001 Jan 29, 2016 DISCN Yes No 9,561,204 ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

International Patents for CETYLEV

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

Country Patent Number Title Estimated Expiration
European Patent Office 2662077 COMPOSITION EFFERVESCENTE CONTENANT DE LA N-ACÉTYL-CYSTÉINE (EFFERVESCENT COMPOSITIONS CONTAINING N-ACETYLCYSTEINE) ⤷  Start Trial
European Patent Office 2662077 COMPOSITION EFFERVESCENTE CONTENANT DE LA N-ACÉTYL-CYSTÉINE (EFFERVESCENT COMPOSITIONS CONTAINING N-ACETYLCYSTEINE) ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

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