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The original patent expiration date for Patent Number 5,565,473 (SINGULAIR- montelukast sodium by Merck) was 30-Nov-2010 but it was extended 430 days to 03-Feb-2012. Generic forms may be expected soon after that. If you have 90 day prescriptions do not renew it after November 2011. Only do 30 day renewals until discovering if generic forms appear in February 2012.
What else can I help you with?
When will the patent for Strattera expire?
When does the patent expire for abilify
When does patent on avadart expire?
2019
When will Victoza patent expire?
2020
When does the drug patent for sitagliptin expire?
2020
When will avodart's patent expire?
November 2021.
When does the Patent on Zetia expire?
April 2017.
When will the celebrex patent expire?
May 2014.
When does the patent on Strattera expire?
The patent expires in 2017. You don't have all that long to wait.
When does the Remicade patent expire?
2018 in the U.S.
Is there a statute of limitations on a patent of a prototype?
Yes. There is a final date on which patent rights eventually do expire, but you will have to do your own research on the patent in question.
When does the patent on methotrexate expire?
Supposedly it expired decades ago...
When does the patent on Cymbalta expire?
Jun 11, 2013Lilly will also lose patent coverage for Humalog and Gemzar in 2013.
