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Details for Patent: 6,565,874

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Patent 6,565,874 protects ELIGARD and is included in four NDAs.

This patent has fifty-two patent family members in twenty-six countries.

Summary for Patent: 6,565,874

Title: Polymeric delivery formulations of leuprolide with improved efficacy
Abstract:The present invention is directed to a flowable composition that is suitable for use as a controlled release implant. The flowable composition includes a biodegradable thermoplastic polyester that is at least substantially insoluble in aqueous medium or body fluid. The flowable composition also includes a biocompatible polar aprotic solvent. The biocompatible polar aprotic solvent is miscible to dispersible in aqueous medium or body fluid. The flowable composition also includes leuprolide acetate.
Inventor(s): Dunn; Richard L. (Fort Collins, CO), Garrett; John Steven (Fort Collins, CO), Ravivarapu; Harish (Union City, CA), Chandrashekar; Bhagya L (Fort Collins, CO)
Assignee: Atrix Laboratories (Fort Collins, CO)
Application Number:09/711,758
Patent Claim Types:
see list of patent claims
Composition; Compound; Delivery; Use; Device;
Patent Metrics:
Source: PatentQuant.com
Field: Medical technology
Back Citations: 9th percentile
Forward Citations: 1st percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Tolmar Therap
ELIGARD
leuprolide acetate
INJECTABLE;SUBCUTANEOUS021731-001Dec 14, 2004RXYes6,565,874► subscribeY METHOD OF TREATING CANCER
Tolmar Therap
ELIGARD
leuprolide acetate
INJECTABLE;SUBCUTANEOUS021343-001Jan 23, 2002RXYes6,565,874► subscribeY METHOD OF TREATING CANCER
Tolmar Therap
ELIGARD
leuprolide acetate
INJECTABLE;SUBCUTANEOUS021379-001Jul 24, 2002RXYes6,565,874► subscribeY METHOD OF TREATING CANCER
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Non-Orange Book Patents for Patent: 6,565,874

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
8,840,916Sustained release polymer► subscribe
6,630,155 Controlled release liquid delivery compositions with low initial drug burst► subscribe
9,283,282Sustained release polymer► subscribe
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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 Patent: 6,565,874

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria259217► subscribe
Austria296088► subscribe
Austria458469► subscribe
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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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