By James R.G. Cook (April 18, 2023, 3:23 PM EDT) -- In Ontario, it has long been prohibited to become involved — or maintain — a lawsuit without a legitimate purpose. “Maintenance” refers to those who become involved with litigation of others, for an improper motive in which the maintainer has no interest, justification or excuse to be involved. “Champerty” is a more egregious form of maintenance in which the maintainer shares in the profits of the litigation: McIntyre Estate v. Ontario (Attorney General), 2002 O.J. No. 3417....