Muchiu (Henry) Chang, PhD provides a summary of a database tracking Canadian patent holders in the US market. The database contains over 7,000 Canadian patent owners tracked since October 2016, including over 3,000 from Ontario. It provides information on the patent holders' locations, patented technologies, and patenting strengths over time. Additionally, the document outlines that Ontario is the largest patenting province for Canadians in the US, while Kitchener-Cambridge-Waterloo, Saskatoon, Calgary and Markham see the highest patenting rates per capita. Contact information is provided for those seeking the latest competitive intelligence on over 6,000 Canadian patent owners.