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Details for Patent: 5,250,542

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Patent 5,250,542 protects ENTEREG and is included in one NDA.

This patent has thirty-two patent family members in twenty-five countries.

Summary for Patent: 5,250,542

Title: Peripherally selective piperidine carboxylate opioid antagonists
Abstract:3,4,4-trisubstitutedpiperidinyl-N-alkylcarboxylates and intermediates for their preparation are provided. These piperidine-N-alkylcarboxylates are useful as peripheral opioid antagonists.
Inventor(s): Cantrell; Buddy E. (Fountaintown, IN), Zimmerman; Dennis M. (Mooresville, IN)
Assignee: Eli Lilly and Company (Indianapolis, IN)
Application Number:07/916,783
Patent Claim Types:
see list of patent claims
Compound; Composition; Formulation; Use;

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Cubist Pharms
ENTEREG
alvimopan
CAPSULE;ORAL021775-001May 20, 2008RXYes5,250,542► subscribeYY A METHOD FOR BINDING A PERIPHERAL OPIOID RECEPTOR
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International Patent Family for Patent: 5,250,542

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria157653► subscribe
Australia1388092► subscribe
Australia644051► 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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