- Default operator "AND" used between fields.
- Only patents issued to Canadian citizens and residents are available in this collection (Canadian patents issued to non-Canadians and non-residents are not included).
- Keyword searching on the title of the patent must be done carefully. Patent titles do not always precisely indicate the nature of the invention. For example, a mouse trap may be listed under the title "animal trap," "vermin trap," or just "trap."
Visit the virtual exhibition Made in Canada - Patents of Invention and the Story of Canadian Innovation