Techtronic Industries Co. Ltd. v. ITC (Fed. Cir. Dec. 12, 2019)

The specification's consistent description of "a passive infrared detector" that is superior to those in the prior art due to its location in a wall console rather than the head unit disavows wall consoles lacking a passive infrared detector. In such situations, there is no need for express disavowal stating that placing the detector elsewhere is "impossible or even infeasible."

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#disavowal #claiminterpretation #itc