May a party to a lawsuit have a second chance to make an argument it previously failed to advance? In Patrick Street Holdings Ltd. v. 11368 NL Inc., the Supreme Court of Canada reaffirmed an important principle: litigants generally must put their best case forward the first time. Adam Goldenberg speaks with McCarthy Tétrault litigation partner Kosta Kalogiros about the decision, the doctrine of res judicata, cause of action estoppel, and the practical lessons it offers litigants and counsel.
Transcript
Adam Goldenberg
Welcome to Appealing Briefs, a podcast with brief updates on cases from Canada's Courts of Appeal. I'm Adam Goldenberg. This episode briefs you on the Supreme Court of Canada's May 2026 judgment in Patrick Street Holdings Limited against 11368 NL incorporated. We'll talk about what the court's decision means for the law of res judicata, and why it matters for anyone who starts a civil lawsuit in a Canadian court.