Oxycodone Method Obvious: Fed Circ.

Law360, New York (March 11, 2009, 12:00 AM EDT) -- An appeals court on Wednesday affirmed a U.S. Board of Patent Appeals ruling that a potentially less toxic method for preparing the pain reliever oxycodone was obvious, barring both parties in the dispute – who each claim to have discovered the process – from moving forward with their respective patent applications.

Plaintiff Robert Chapman and defendant Michael Casner both lay claim to the discovery of a safer way to make oxycodone, and with two judges in favor and one opposed, the U.S. Court of Appeals for...
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