2018 February : CAFC Alert

CAFC relies on extrinsic evidence to define a claim term and to demonstrate inherency

| February 23, 2018

Monsanto Technology LLC v. E.I. Dupont de Nemours & Co.

January 5, 2018

Before Dyke, Reyna and Wallach.  Opinion by Wallach.

Summary

 In this case, the CAFC affirmed a PTAB decision which relied on two pieces of extrinsic evidence.  First, a journal article referred to by the specification was used to define the bounds of “about 3% or less.”  Second, a Declaration submitted in the course of inter partes reexamination was used to demonstrate that claimed features are inherent in an anticipating reference.  The CAFC explained that both were appropriate, and the claims are invalid as being anticipated by the cited art.


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CAFC looks to complete disclosure of patent at issue and its related patents to counter patent owner’s arguments based on cherry-picking.

| February 8, 2018

Paice LLC v. Ford Motor Company

February 1, 2018

Before Lourie, O’Malley, and Taranto.  Opinion by O’Malley

Summary

Due to error in the PTAB’s interpretation of incorporation by reference, the CAFC vacated the PTAB’s obviousness determination with respect to claims that relied on the incorporation by reference for their written description, and found substantial evidence to affirm the PTAB’s findings of obviousness of all other claims.



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