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Serving leading biopharmaceutical companies globally:

Harvard Business School
US Department of Justice
Express Scripts

Generated: December 13, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,914,131

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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;

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International Patent Family for Patent: 5,914,131

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria227575► Subscribe
Austria230992► Subscribe
Australia2908395► Subscribe
Australia693910► Subscribe
Canada2188451► Subscribe
Germany69528852► Subscribe
Germany69529412► Subscribe
Denmark0769949► Subscribe
Denmark1025845► Subscribe
European Patent Office0769949► 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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Serving leading biopharmaceutical companies globally:

Daiichi Sankyo
Federal Trade Commission
Chinese Patent Office

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