on all fours

adjective

1. : relevant and very similar in facts and issues of law the partiesʼ dispute about the CBAʼs ratification date presents a formation question in the sense above, and is therefore not on all fours with, for example, the formation disputes we referenced in Buckeye Check Cashing, Inc. v. Cardegna —Granite Rock Co. v. International Brotherhood of Teamsters, 130 S. Ct. 2847 (2010)