Ariosa Asks USPTO To Nix Sequenom Prenatal Test Patent

Law360, New York (September 18, 2012, 7:23 PM EDT) -- Ariosa Diagnostics Inc. filed a petition for inter partes review Monday asking the U.S. Patent and Trademark Office to invalidate a prenatal blood test patent that Sequenom Inc. accuses Ariosa of infringing.

The petition, filed on the second day that the new inter partes review system created by the America Invents Act was available, claims that Sequenom's patent is invalid because it covers an unpatentable law of nature and was anticipated by prior art.

The observation that the nucleic acid of a fetus is present in...
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