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Efavirenz - Generic Drug Details

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Efavirenz is the generic ingredient in three branded drugs marketed by Bristol Myers Squibb, Mylan Pharms Inc, and Gilead, and is included in four NDAs. There are sixteen patents protecting this compound and one Paragraph IV challenge. Additional information is available in the individual branded drug profile pages.

This ingredient has sixty-eight patent family members in twenty-seven countries.

There are twenty-three drug master file entries for efavirenz. Four suppliers are listed for this compound. There are twenty-eight tentative approvals for this compound.

Summary for Generic Name: efavirenz

Tradenames:3
Patents:16
Applicants:3
NDAs:4
Drug Master File Entries: see list23
Suppliers / Packaging: see list4
Therapeutic Class:Antivirals
Formulation / Manufacturing:see details
Drug Prices:see low prices

Tentative approvals for EFAVIRENZ

Applicant Application No. Form Dosage
<disabled><disabled>TABLET; ORAL600MG; 300MG; 300MG
<disabled><disabled>TABLET; ORAL600MG; 300MG; 300MG
<disabled><disabled>TABLET; ORAL200MG

Clinical Trials for: efavirenz

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Bristol Myers Squibb
SUSTIVA
efavirenz
TABLET;ORAL021360-001Feb 1, 2002DISCNNo6,939,964*PEDJul 20, 2018Y
Gilead
ATRIPLA
efavirenz; emtricitabine; tenofovir disoproxil fumarate
TABLET;ORAL021937-001Jul 12, 2006RXYes5,935,946*PEDJan 25, 2018Y
Mylan Pharms Inc
EFAVIRENZ
efavirenz
TABLET;ORAL091471-001Feb 17, 2016RXNo
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Expired Orange Book Patents for Generic Ingredient: efavirenz

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Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Bristol Myers Squibb
SUSTIVA
efavirenz
CAPSULE;ORAL020972-001Sep 17, 19985,519,021*PED<disabled>
Bristol Myers Squibb
SUSTIVA
efavirenz
CAPSULE;ORAL020972-001Sep 17, 19985,811,423<disabled>
Bristol Myers Squibb
SUSTIVA
efavirenz
TABLET;ORAL021360-002Feb 1, 20025,519,021*PED<disabled>
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Non-Orange Book Patents for Generic Ingredient: efavirenz

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
5,965,729 Process for the crystallization of a reverse transcriptase inhibitor using an anti-solvent<disabled in preview>
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Because of the complexity of determining patent expiration dates it is advisable to have patent counsel verify freedom to operate.

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International Patent Family for Ingredient: efavirenz

Country Document Number Estimated Expiration
Germany69841972<disabled in preview>
Norway993779<disabled in preview>
Hungary229087<disabled in preview>
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Supplementary Protection Certificates for Tradename: EFAVIRENZ

Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
C/GB00/035United Kingdom<disabled>PRODUCT NAME: EFAVIRENZ, OPTIONALLY IN THE FORM OF A PHARMACEUTICALLY ACCEPTABLE SALT; REGISTERED: CH IKS-54 908 01 19981120; CH IKS-54 908 02 19981120; CH IKS-54 908 03 19981120; UK EU/1/99/110/001 19990528; UK EU/1/99/110/002 19990528; UK EU/1/99/110/003 19990528; UK EU/1/99/110/004 19990528; UK EU/1/99/111/001 19990528; UK EU/1/99/111/002 19990528; UK EU/1/99/111/003 19990528; UK EU/1/99/111/004 19990528
00032Netherlands<disabled>PRODUCT NAME: EFAVIRENZ; REGISTRATION NO/DATE: EU/1/99/110/001-004, EU/1/99/111/001-004 19990528
/2000Austria<disabled>PRODUCT NAME: EFAVIRENZ, GEGEBENENFALLS IN FORM EINES PHARMAZEUTISCH ANNEHMBAREN SALZES; NAT. REGISTRATION NO/DATE: EU/1/99/110/001-004 1/99/111/001-004 19990528; FIRST REGISTRATION: LI 54908 01, 54908 02, 54908 03 19981120
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