Joinder and costs
158.—(1)  This section applies if the copyright owner or the exclusive licensee (but not both) brings an infringement action.
(2)  Unless the Court orders otherwise, the party that brought the action may proceed with the action without joining the other party as a claimant or adding the other party as a defendant.
(3)  If the other party is added as a defendant, that other party is not liable for any costs in the action unless that other party files and serves a notice of intention to contest or not contest the claim and takes part in the proceedings.