Patents
Disclosure document, prior art you're aware of, and your timeline (publication, product launch, financing).
Trademarks
Mark, goods/services, target geographies, and any prior search results.
Litigation
Cease-and-desist letter or complaint received, deadline if any, and your business relationship to the other party.
IPR / PTAB
Patent number, your status (petitioner or patent owner), and pending district-court litigation if any.