Pre-Markman Claim Construction Is OK, Within Limits

In an appeal stemming from the denial of a preliminary injunction and dismissal of the complaint, the US Court of Appeals for the Federal Circuit clarified its precedent and explained that a district court may construe claims at the motion to dismiss Rule 12(b)(6) stage, but only to the extent necessary to decide the motion. UTTO Inc. v. Metrotech Corp., Case No. 23-1435 (Fed. Cir. Oct. 18, 2024) (Prost, Taranto, Hughes, JJ.)

UTTO sued Metrotech in the US District Court for the Northern District of California for patent infringement and tortious interference with prospective economic advantage under California law. UTTO also moved for a preliminary injunction. The asserted patent describes and claims methods for detecting and identifying "buried assets," which refers to underground utility lines. The district court denied the preliminary injunction because of UTTO's failure to show a likelihood of success on the merits for infringement based on the district court's