Aventis Pharma & King Pharma v. Lupin Ltd.
3/5/2008 6:22:22 PM

If it is known that some desirable property of a mixture derives in whole or in part from a particular one of its components, or if the prior art would provide a person of ordinary skill in the art with reason to believe that this is so, the purified compound is prima facie obvious over the mixture even without an explicit teaching that the ingredient should be concentrated or purified.  - admin
View all news
Apple Store