BioPharmaceutical Business Intelligence

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  • Uncover prior art in expired and abandoned patents
  • Drug patents in 130+ countries
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Serving leading biopharmaceutical companies globally:

Fuji
Medtronic
Citi
Cipla
Chinese Patent Office
Cerilliant
Moodys
Chubb
McKesson
Farmers Insurance

Generated: January 19, 2018

DrugPatentWatch Database Preview

TRI-LEGEST 21 Drug Profile

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When do Tri-legest 21 patents expire, and what generic alternatives are available?

Tri-legest 21 is a drug marketed by Barr and is included in one NDA.

The generic ingredient in TRI-LEGEST 21 is ethinyl estradiol; norethindrone acetate. There are twenty-six drug master file entries for this compound. Twenty-two suppliers are listed for this compound. Additional details are available on the ethinyl estradiol; norethindrone acetate profile page.

US Patents and Regulatory Information for TRI-LEGEST 21

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Barr TRI-LEGEST 21 ethinyl estradiol; norethindrone acetate TABLET;ORAL-21 076405-001 Oct 26, 2007 RX No No ➤ Subscribe ➤ Subscribe ➤ Subscribe
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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Serving leading biopharmaceutical companies globally:

QuintilesIMS
Federal Trade Commission
Baxter
Chinese Patent Office
Julphar
Merck
Mallinckrodt
Express Scripts
Healthtrust

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 verifification 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.

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