>It would not even be possible to ascertain the original authorship of most form contracts that cross my desk.
I highly doubt this statement is true if given Documents X, Y, Z et al are given stringent, professional forensic examination for remnants of markings. Maybe not every single one, sure, but enough in a Universe A of legal examination would, I firmly believe, uncover quite a bit more than meets the eye.
My point is that what you've noted is not an "IP-free zone" it's simply an un-tapped market for "fiscal compensation by way of derivative IP torts" - once the financial motivation is strong enough and there's evidence that can be garnered to show willful infringement...IP rights don't just go away because nobody is pursuing them.
If the Prenda Law fiasco can serve as a Gutter Dweller example of IP enforcement, this is a much more clear cut, deep pocketed scenario that should give every single law firm pause. As much as I'm entertained by cannibalistic feeding frenzy behavior, Law Firm Representing Law Firm(s) vs. Law Firm(s), would, no doubt, be a basic drain on an already over-burdened legal system.
TL, DR: Never underestimate the temptation for tort cases when there's a large pile of money at stake