Posts Tagged: "Reissued US Pat. No. 39502"

The doctrines of “secret prior art” and “inherency” both merged in the case Teva Pharmaceutical Industries Ltd. v. AstraZeneca Pharmaceuticals LP to surprise, and unpleasantly upend the patentee. Judge Linn’s opinion ruled that “[a]n inventor need not understand precisely why his invention works in order to achieve an actual reduction to practice.” Relying upon the collective holdings in Dow Chemical, Mycogen Plant Science, and Invitrogen, the Federal Circuit panel then concluded that “it is apparent that the district court correctly entered summary judgment” of invalidity of the asserted claims in the ‘502 patent under 35 § 102(g)(2).