Since a dedicated "checker" tool is unavailable in the U.S., you can verify your product through these official channels:
Usually printed in black on a silver box or engraved on the bottom base plate. On mirrorless models like the EOS R series, it may also be hidden behind the flip-out LCD screen. Canon Serial Number Check Usa
If you buy from a non-authorized dealer (e.g., big online marketplaces with suspiciously low prices), the Canon serial number may: Since a dedicated "checker" tool is unavailable in the U
High-end Canon lenses, such as the L-series, are frequently counterfeited. While counterfeiters are getting better, they often mess up the serial number font, placement, or algorithm. such as the L-series