Category: Ask ProSearch AI

After LKQ overruled Rosen-Durling, does visual similarity still supply a motivation to combine references? ProSearch + AI traces the answer through the en banc opinion, the USPTO’s guidance memo, and a June 2025 district court ruling in LKQ’s own remand, with the authority hierarchy kept straight throughout.

ProSearch + AI surveys which rejections are most common in design patent reissue prosecution — drawn from 17 real prosecution files, with the § 251 declaration defect leading by a wide margin.