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Serving leading biopharmaceutical companies globally:

Fish and Richardson
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Generated: December 16, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,756,541

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Summary for Patent: 5,756,541

Title: Vision through photodynamic therapy of the eye
Abstract:Photodynamic therapy of conditions of the eye, especially those conditions characterized by unwanted neovasculature, such as age-related macular degeneration, results in enhanced visual acuity for treated subjects,
Inventor(s): Strong; H. Andrew (North Van., CA), Levy; Julia (Vancouver, CA), Huber; Gustav (Zurich, CH), Fsadni; Mario (Buelach, CH)
Assignee: QLT Phototherapeutics Inc (Vancouver, CA)
Application Number:08/613,420
Patent Claim Types:
see list of patent claims
Formulation; Compound; Use;

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International Patent Family for Patent: 5,756,541

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina004422► Subscribe
Argentina042931► Subscribe
Austria301473► Subscribe
Australia1762697► Subscribe
Australia705100► Subscribe
Canada2248087► Subscribe
China1104908► Subscribe
China1213314► Subscribe
Czech Republic299301► Subscribe
Czech Republic9802789► 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:

Express Scripts
Covington
Healthtrust
Colorcon
Fish and Richardson
Teva
Julphar
Baxter
Medtronic
US Army

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