Summary of circuit split about “cross-appeal” rule –

It is well-settled nationally that “an appellate court may not alter a judgment to benefit a nonappealing party” because “it takes a cross-appeal to justify a remedy in favor of an appellee.” Greenlaw v. United States, 554 U.S. 237, 244–45 (2008). The Fifth Circuit treats that principle as jurisdictional. See, e.g., Amazing Spaces, Inc. v. Metro Mini Storage, 608 F.3d 225, 250 (5th Cir. 2010) (“[T]his circuit follows the general rule that, in the absence of a cross-appeal, an appellate court has no jurisdiction to modify a judgment so as to enlarge the rights of the appellee or diminish the rights of the appellant.”) Some other Circuits, however, take a different view. See, e.g., Am. Roll-On Roll-Off Carrier LLC v. P&O Parts Baltimore, Inc., 479 F.3d 288, 295 (4th Cir. 2007) (“This circuit views the cross-appeal requirement as one of practice, rather than as a strict jurisdictional requirement.”) (Thanks to my LPCH colleague Russ Herman for pointing this out.)