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Supreme Court Asked To Consider Role Of Post-Filing Evidence In Assessing Obviousness Of Pharmaceutical Inventions, Christopher M. Holman

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On January 20, 2015, Bristol-Myers Squibb petitioned for certiorari in Bristol-Myers Squibb v. Teva Pharmaceutical, asking whether an assessment of obviousness should "consider post-filing evidence showing the actual differences between a patented invention and the prior art." The district court had found patent claims directed towards Entacavir (an anti-hepatitis drug) obvious in view of structural similarity between the drug and a prior art compound, in spite of the fact that the prior art compound was highly toxic and therefore not a viable candidate for use as a human drug. A Federal Circuit panel affirmed the district court's decision to disregard …