<em>Columbia Sportswear N. Am., Inc. v. Seirus Innovative Accessories, Inc.</em>
In line with anticipation analysis for design patents, prior art may only be deemed “comparison prior art” if applied to the claimed article of manufacture. Future design patent infringement plaintiffs are now limited in their potential comparison art.
<em>Ikorongo Texas LLC v. Bumble Trading LLC</em>
The Federal Circuit affirmed the U.S. District Court for the Western District of Texas decision and canceled Ikorongo Technology LLC’s patent claims under 35 U.S.C. § 251(a), which requires that a reissue patent contain no new matter.
<em>American National v. Sleep Number Corporation</em>
On November 14, 2022, the federal circuit court released a precedential opinion on an appeal from the Patent Trial and Appeal Board. The court’s opinion affirmed and clarified the Board’s decision. The case hinged on multiple claims’ of patentability regarding Sleep Number’s mattress pressure programming and in what ways Sleep Number could amend their claims in anticipation of an inter partes review. The court held that the Board was correct in rejecting multiple unpatentability arguments from American National Manufacturing and further held that some Sleep Number claims were unpatentable.