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Details for Patent: 5,914,131

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Patent 5,914,131 protects EXALGO and is included in one NDA.

This patent has fourteen patent family members in eleven countries.

Summary for Patent: 5,914,131

Title: Hydromorphone therapy
Abstract:A hydromorphone composition, a hydromorphone dosage form and a method for administering hydromorphone are disclosed, indicated for the management of pain.
Inventor(s): Merrill; Sonya (San Jose, CA), Ayer; Atul D. (Palo Alto, CA), Chadha; Navjot (Fremont, CA), Kuczynski; Anthony L. (Mountain View, CA)
Assignee: ALZA Corporation (Palo Alto, CA)
Application Number:08/935,223
Patent Claim Types:
see list of patent claims
Composition; Compound; Dosage form; Delivery; Formulation; Use;
Patent PDF download available with subscription

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Mallinckrodt Inc
EXALGO
hydromorphone hydrochloride
TABLET, EXTENDED RELEASE;ORAL021217-001Mar 1, 2010RXNo5,914,131<disabled>YMANAGEMENT OF MODERATE TO SEVERE PAIN
Mallinckrodt Inc
EXALGO
hydromorphone hydrochloride
TABLET, EXTENDED RELEASE;ORAL021217-002Mar 1, 2010RXNo5,914,131<disabled>YMANAGEMENT OF MODERATE TO SEVERE PAIN
Mallinckrodt Inc
EXALGO
hydromorphone hydrochloride
TABLET, EXTENDED RELEASE;ORAL021217-003Mar 1, 2010RXNo5,914,131<disabled>YMANAGEMENT OF MODERATE TO SEVERE PAIN
Mallinckrodt Inc
EXALGO
hydromorphone hydrochloride
TABLET, EXTENDED RELEASE;ORAL021217-004Aug 24, 2012RXYes5,914,131<disabled>YMANAGEMENT OF MODERATE TO SEVERE PAIN
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Non-Orange Book Patents for Patent: 5,914,131

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
5,529,787 Hydromorphone therapy<disabled in preview>
5,702,725 Hydromorphone therapy<disabled in preview>
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International Patent Family for Patent: 5,914,131

Country Document Number Publication Date Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office1025845Aug 09, 2000
European Patent Office0769949May 02, 1997
Germany69528852Dec 19, 2002
South Africa9505674Feb 20, 1996
Austria227575Nov 15, 2002
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ISSN: 2162-2639

Preferred citation:

Friedman, Y. Location of pharmaceutical innovation: 2000–2009 Nature Reviews Drug Discovery 9, 835–836 (2010).

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