On April 15, 2021, the PTAB issued a Final Written Decision in the LKQ Corp. case finding a design patent claiming a vehicle fender panel unpatentable as obvious. IPR2020-00064, Paper No. 39 (Apr. 15, 2021). The obviousness...more
Last October, the Federal Circuit reversed the PTAB’s decision that a challenged design patent was not obvious. Campbell Soup Co. v. Gamon Plus, Inc., 939 F.3d 1335 (Fed. Cir. 2019). We wrote about how the court applied a...more
While design patents follow many of the same rules as utility patents, the application of those rules in determining design patent infringement can be less than straightforward. But a recent Initial Determination by ALJ...more
An expert asserting that a patent claim reciting different features than the prior art is nonetheless “equivalent” to the prior art must address and account for the recited limitations head-on, or otherwise lose persuasive...more
2/19/2018
/ Appeals ,
Claim Construction ,
Evidentiary Hearings ,
Expert Testimony ,
Obviousness ,
Patent Assertion Entities ,
Patent Trial and Appeal Board ,
Patents ,
Preponderance of the Evidence ,
Prior Art ,
Software Patents
In district courts’ claim construction analyses, intrinsic evidence is of paramount importance. Although extrinsic evidence “may be useful to the court,” it is considered “less significant” than the claim language,...more