http://www.cipo.ic.gc.ca/app/opic-ci...tIndexOnPage=1
This is posted for the convenience of those who find the Canadian Federal websites confusing. It's because they are. I can understand totally how someone would miss it.
Perhaps our intrepid veteran friend could re-name his shop the "Broken Carbon Fiber Cafe". Canada's IP trademarks database shows it hasn't been taken as of yet, and he could probably get some quick artwork from here:
https://www.google.com/search?q=Spec...w=1920&bih=930