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Last Updated: January 22, 2020

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Patent Applications for VIAGRA

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US Patent Applications for VIAGRA

US Patent Application Patent No. Title Patent Filing Date Patent Application Status Status Updated
  Start Trial   Start Trial Method for accelerating the delivery of a vasodilating agent to the penis 2000-12-07 Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 2006-09-06
  Start Trial   Start Trial Method of treating for impotence and apparatus particularly useful in such method 2001-02-22 Abandoned -- Failure to Respond to an Office Action 2002-10-01
  Start Trial   Start Trial Process for preparation of pyrazolo[4,3-d]pyrimidin-7-ones and intermediates thereof 2001-01-16 Abandoned -- Failure to Respond to an Office Action 2002-11-25
  Start Trial   Start Trial Compositions and methods for the treatment of anorectal disorders 2001-01-23 Abandoned -- Failure to Respond to an Office Action 2006-02-21
  Start Trial   Start Trial Method for treating a patient with neoplasia by treatment with a paclitaxel derivative 2001-02-06 Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 2014-04-28
>US Patent Application >Patent No. >Title >Patent Filing Date >Patent Application Status >Status Updated

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Serving leading biopharmaceutical companies globally:

Baxter
AstraZeneca
Colorcon
Moodys
Express Scripts
Johnson and Johnson

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