SHIRE LLC v. AMNEAL PHARMACEUTICALS, LLC (Fed. Cir. 2015) (P) – The prior art must “teach a finite and limited class” that includes the compound claimed

For a broad reference to be considered as disclosing a particular chemical compound for prior art purposes, it must “teach a finite and limited class” that includes the compound claimed. Here, for example, a compound representing the active ingredient in a claimed...

ALLERGAN, INC. v. SANDOZ INC. (Fed. Cir. 2015) (P) – A prior art range is not anticipatory when there is material and unpredictable variation across the range

A range disclosed in the prior art does not anticipate a claimed invention falling within that range when it can be shown that there is material and unpredictable variation across the range. Here, for example, a prior art disclosure of a composition comprising...

INEOS USA LLC v. BERRY PLASTICS CORPORATION (Fed. Cir. 2015) (P) – Establishing “criticality” of claimed range can avoid anticipation by broader, overlapping range

It is important to establish the “criticality” of a claimed range to the claimed invention in order to avoid anticipation by a prior art reference disclosing a broader, overlapping range. Here, for example, a lubricant claimed in the amount of 0.05 to 0.5% by weight...

KENNAMETAL, INC. v. INGERSOLL CUTTING TOOL COMPANY (Fed. Cir. 2015) (P) – Prior art need not disclose actual performance of an otherwise anticipatory embodiment among various options

There is no requirement that the prior art disclose actual performance of an otherwise anticipatory embodiment among various contemplated embodiments in order to establish a prima facie case of anticipation. Here, for example, the prior art’s disclosure of 15...