Replies to post #140129 on Biotech Values

[biomaven0]

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