Morrison Waite,
Thorn Wire Hedge Company v. Fuller…
“ Any person who has an interest in the matter at litigai on, in the success of either of the parties to the action, or against either or both, may become a party to any action or proceeding between other persons, either by joining the plaintiff in claiming what is sought by the complaint, or by uniting with the defendant in resisting the claim of the plaintiff, or by demanding anything adversely to both the plaintiff and defendant, or either of them, either before or after issue has been joined in the cause, and before the trial commences. ”
