Copyright law and trademark law in Canada was initially based on the English legislation but has since incorporated many changes from the US model and other places. Canadian patent law, however, was initially based on US legislation but has typically favoured the application of UK case law.
Canadian copyright and trademark laws were initially grounded in English statutes but have been supplemented by influences from the US model and other countries. Conversely, Canadian patent law was initially based on US legislation but has typically drawn upon UK judicial interpretations.