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biomaven0

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biomaven0

Re: ghmm post# 140129

Thursday, 04/12/2012 3:18:29 PM

Thursday, April 12, 2012 3:18:29 PM

Post# of 251940
I believe the Viagra patent goes to 2019. Levitra and Cialis are the same ballpark if I recall correctly.

Levitra really has no differentiation from the other two products - Viagra of course is the best known by far, and Cialis has the long half-life. Not sure what Levitra sales are, but I'd guess close to $500m.

Peter

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