Basf Corporation v. Johnson Matthey Inc., No. 16-1770 (Fed. Cir. Nov. 20, 2017)

From the Opinion

The passage below is extracted verbatim from the opening of the document. It has not been editorially summarized — consult the full opinion for the court's complete reasoning.

BASF Corporation owns U.S. Patent No. 8,524,185 , which describes and claims systems for performing cat a- lytic conversion of nitrogen oxides (NOx) in an exhaust gas stream. As relevant here, the patent claims a partly-dual- layer arrangement of coatings on a substrate over which exhaust gas passes— a coat along the full length of the substrate containing “a material composition B effective to catalyze selective catalytic reduction (SCR) of NO x”; and beneath part of that coat, on the outlet end of the gas passage…