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Serving hundreds of leading biopharmaceutical companies globally:

Mallinckrodt
Fuji
Daiichi Sankyo
Express Scripts
Dow
Merck
Cantor Fitzgerald
Covington
Fish and Richardson

Generated: June 22, 2018

DrugPatentWatch Database Preview

PREFEST Drug Profile

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

Prefest is a drug marketed by Teva Womens and is included in one NDA. There are two patents protecting this drug.

This drug has eighteen patent family members in sixteen countries.

The generic ingredient in PREFEST is estradiol; norgestimate. There are seventy-five drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the estradiol; norgestimate profile page.
Drug patent expirations by year for PREFEST
Synonyms for PREFEST
6533-00-2
CAS-6533-00-2
CHEMBL2107797
dl-Norgestrel
DSSTox_CID_27477
DSSTox_GSID_47477
DSSTox_RID_82374
DTXSID3047477
NCGC00256735-01
norgestrel
SCHEMBL37118
Tox21_303623
WWYNJERNGUHSAO-CULCCENASA-N

US Patents and Regulatory Information for PREFEST

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Teva Womens PREFEST estradiol; norgestimate TABLET;ORAL 021040-001 Oct 22, 1999 DISCN Yes No ➤ Try a Free Trial ➤ Try a Free Trial ➤ Try a Free Trial
Teva Womens PREFEST estradiol; norgestimate TABLET;ORAL 021040-001 Oct 22, 1999 DISCN Yes No ➤ Try a Free Trial ➤ Try a Free Trial Y ➤ Try a Free Trial
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration

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Expired US Patents for PREFEST

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Teva Womens PREFEST estradiol; norgestimate TABLET;ORAL 021040-001 Oct 22, 1999 ➤ Try a Free Trial ➤ Try a Free Trial
Teva Womens PREFEST estradiol; norgestimate TABLET;ORAL 021040-001 Oct 22, 1999 ➤ Try a Free Trial ➤ Try a Free Trial
Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration

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Non-Orange Book US Patents for PREFEST

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No. Title Estimated Patent Expiration
7,078,394 Low dose estrogen interrupted hormone replacement therapy ➤ Try a Free Trial
Patent No. Title Estimated Patent Expiration

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Supplementary Protection Certificates for PREFEST

Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
0814 Netherlands ➤ Try a Free Trial PRODUCT NAME: LEVONORGESTREL EN ETHINYLESTRADIOL; NATIONAL REGISTRATION NO/DATE: RVG 117453 20151211; FIRST REGISTRATION: SK 17/0017/15-S 20150211
1214076/01 Switzerland ➤ Try a Free Trial PRODUCT NAME: DROSPIRENONE + ETHINYLESTRADIOL; REGISTRATION NUMBER/DATE: SWISSMEDIC 57946 13.06.2008
00221 Netherlands ➤ Try a Free Trial PRODUCT NAME: DROSPIRENON EN ETHINYLESTRADIOL; REGISTRATION NO/DATE: RVG 23827 20000307
2016 00016 Denmark ➤ Try a Free Trial PRODUCT NAME: LEVONORGESTREL OG ETHINYLOESTRADIOL; NAT. REG. NO/DATE: 56336 20151105; FIRST REG. NO/DATE: SK 17/0017/15-S 20150211
Supplementary Protection Certificate SPC Country SPC Expiration SPC Description

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Serving hundreds of leading biopharmaceutical companies globally:

Johnson and Johnson
Teva
US Army
McKinsey
McKesson
Accenture
Queensland Health
Citi
Covington

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