USTA Dodges Patent Liability Over US Open Let-Detection Tech

The Federal Circuit upheld a ruling clearing the United States Tennis Association of liability based on its use of a let-detection system at the 2021 US Open that was accused of patent infringement.

A New York federal district court judge was reasonable to reject patent owner Group One Ltd.'s argument that the USTA violated a temporary restraining order, as supplier GTE GmbH’s legacy systems used that year predated, and therefore didn’t copy Group One’s patents, the US Court of Appeals for the Federal Circuit ruled Thursday.

In an opinion by Judge Kara F. Stoll, the appeals court also faulted ...