Manufacturer Provisur Technologies Inc. has petitioned the U.S. Supreme Court to review a Federal Circuit decision that revived rival Weber Inc.’s challenge to Provisur’s food slicer patents. Provisur contends that the appellate court disregarded established precedent which limits the evidence that can be presented in Patent Trial and Appeal Board (PTAB) cases. The implications of this case could significantly influence the evidence parameters permissible under PTAB scrutiny.
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