It should be fairly trivial for a judge to ascertain whether someone owns a patent to use legitimately (tech company owning a tech patent for example, whether t

It should be fairly trivial for a judge to ascertain whether someone owns a patent to use legitimately (tech company owning a tech patent for example, whether they are currently using it, invented it, bought it etc.) or whether they are a bunch of lawyers extorting money from legit companies by (ab)using the legal system.