Capitalize the state as the defending party

Warning²Federal courts, Illinois courts21st and 22nd editions

“State” and “Commonwealth” are capitalized where the word names the state as a party to the litigation, so a case name reads “Jones v. State”, never “Jones v. state”.¹

1. 1R. 8(d)(ii) Exceptions; R. 8(c)(ii) Exceptions.
2. 2A warning: the form is usually wrong under the rule in note 1, and context can justify it.