by Steve Driskill | Sep 24, 2015 | [sub] broad prior art disclosures, Anticipation
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...
by Steve Driskill | Aug 4, 2015 | [sub] broad prior art disclosures, Anticipation
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...
by Steve Driskill | Apr 16, 2015 | [sub] broad prior art disclosures, Anticipation
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...
by Steve Driskill | Mar 25, 2015 | [sub] broad prior art disclosures, Anticipation
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...