Cinar Corp v Robinson is a leading case of the Supreme Court of Canada in the field of copyright law, which has impact in many key aspects of it, including: * how to assess if a "substantial part" of a work has been reproduced, * the assessment of damages for infringement including accounting of profits, non-pecuniary damages and punitive damages, * the use of experts in a copyright case, and * the vicarious liability of directors for infringement.