Most major countries in the world, including the USA and China, require innovators to secure a “foreign filing license” before they can seek patent protection in a foreign country. Canada has no such regime, but perhaps it's time.
Travel Sentry, Inc. v David A. Tropp, No. 2021-1908 (Fed. Cir., Feb. 14, 2022). The patents claimed an economic practice and method of organizing human activity, which is not subject-matter that can be protected under the patent system.