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Serving hundreds of leading biopharmaceutical companies globally:

Daiichi Sankyo
McKinsey
Chubb
US Department of Justice
Healthtrust
Express Scripts
Baxter
Farmers Insurance
Fish and Richardson

Generated: August 18, 2018

DrugPatentWatch Database Preview

Pernix Therap Company Profile

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What is the competitive landscape for PERNIX THERAP, and what generic alternatives to PERNIX THERAP drugs are available?

PERNIX THERAP has one approved drug.

There are nine US patents protecting PERNIX THERAP drugs.

There are fifteen patent family members on PERNIX THERAP drugs in four countries.

Summary for Pernix Therap
International Patents:15
US Patents:9
Tradenames:1
Ingredients:1
NDAs:1
Patent Litigation for Pernix Therap: See patent lawsuits for Pernix Therap

Drugs and US Patents for Pernix Therap

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Pernix Theraps Llc SILENOR doxepin hydrochloride TABLET;ORAL 022036-001 Mar 17, 2010 RX Yes No 7,915,307 ➤ Sign Up ➤ Sign Up
Pernix Theraps Llc SILENOR doxepin hydrochloride TABLET;ORAL 022036-002 Mar 17, 2010 RX Yes Yes 7,915,307 ➤ Sign Up ➤ Sign Up
Pernix Theraps Llc SILENOR doxepin hydrochloride TABLET;ORAL 022036-001 Mar 17, 2010 RX Yes No 9,107,898 ➤ Sign Up ➤ Sign Up
Pernix Theraps Llc SILENOR doxepin hydrochloride TABLET;ORAL 022036-001 Mar 17, 2010 RX Yes No 9,572,814 ➤ Sign Up ➤ Sign Up
Pernix Theraps Llc SILENOR doxepin hydrochloride TABLET;ORAL 022036-002 Mar 17, 2010 RX Yes Yes 9,532,971 ➤ Sign Up Y ➤ Sign Up
Pernix Theraps Llc SILENOR doxepin hydrochloride TABLET;ORAL 022036-001 Mar 17, 2010 RX Yes No 9,907,780 ➤ Sign Up Y ➤ Sign Up
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 Pernix Therap

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Pernix Theraps Llc SILENOR doxepin hydrochloride TABLET;ORAL 022036-001 Mar 17, 2010 6,103,219 ➤ Sign Up
Pernix Theraps Llc SILENOR doxepin hydrochloride TABLET;ORAL 022036-002 Mar 17, 2010 5,866,166 ➤ Sign Up
Pernix Theraps Llc SILENOR doxepin hydrochloride TABLET;ORAL 022036-001 Mar 17, 2010 5,502,047 ➤ Sign Up
Pernix Theraps Llc SILENOR doxepin hydrochloride TABLET;ORAL 022036-001 Mar 17, 2010 6,217,909 ➤ Sign Up
Pernix Theraps Llc SILENOR doxepin hydrochloride TABLET;ORAL 022036-002 Mar 17, 2010 5,725,884 ➤ Sign Up
Pernix Theraps Llc SILENOR doxepin hydrochloride TABLET;ORAL 022036-002 Mar 17, 2010 5,948,438 ➤ Sign Up
Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration

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Paragraph IV (Patent) Challenges for PERNIX THERAP drugs
Drugname Dosage Strength Tradename Submissiondate
➤ Subscribe Tablets 3 mg and 6 mg ➤ Subscribe 2010-09-16

Non-Orange Book US Patents for Pernix Therap

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
9,463,181 Doxepin isomers and isomeric mixtures and methods of using the same to treat sleep disorders ➤ Sign Up
9,801,847 Doxepin isomers and isomeric mixtures and methods of using the same to treat sleep disorders ➤ Sign Up
9,498,462 Doxepin trans isomers and isomeric mixtures and methods of using the same to treat sleep disorders ➤ Sign Up
Patent No. Title Estimated Patent Expiration

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Similar Applicant Names
Applicants may be listed under multiple names.
Here is a list of applicants with similar names.

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Serving hundreds of leading biopharmaceutical companies globally:

Deloitte
US Department of Justice
Queensland Health
Dow
McKinsey
Johnson and Johnson
Citi
Chubb
Argus Health

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.