Canadian Legal Information Institute (CanLII) CanLII offers free public access to approximately 1 million documents across nearly 200 case law and legislative databases.It is used by lawyers, legal professionals and the general public, with usage averaging over 20,000 visits per day.The case law database is reportedly growing at a rate of approximately 120,000 new cases each year, 20% of which are historic cases which are included to enrich existing databases.