This may seem obvious to practiced litigators, but the pretrial order is no joke. It defines the scope of the claims and defenses at trial, and omitting things from it is a very risky proposition. Be careful.
That's why parties sometimes end up with ridiculously long pretrial orders—they don't expect anyone to read them front to back, but they want to make sure nothing is waived.
We saw another example of this yesterday in In Re: Ozempic (Semaglutide) Patent Litigation, C.A. No. 22-MD-3038-CFC (D. Del.). There, the defendants intentionally omitted its obviousness-type double patenting invalidity defense from the pretrial order, in light of a recent Federal Circuit case clarifying the rules …