Does a judge have jurisdiction to hear and resolve all of the parties' disputes once and for all?

Furthermore, as I noted, the parties agreed that I had jurisdiction at the outset of these disputes. Even if the issues narrowed once the trial was completed, my jurisdiction was not lost. See Dery v. Wyer , 265 F.2d 804, 808 (2d Cir. 1959) (noting the general principle that the "sufficiency of [a court's] jurisdiction should be determined once and for all at the threshold and if found to be present then should continue until final disposition of the action"). I concluded for these reasons, and I reaffirm here, that it was appropriate for me to hear and resolve all of the parties' disputes regardless of whether the nature of the issues might have changed somewhat as the case progressed, and regardless of whether the issues might have narrowed as the case progressed. As noted, the parties agreed with that approach and agreed to my entry of a final and binding ruling.