Is Canon About to Kill Its Own RF 16mm F2.8?

Over the past few months, we have seen multiple patents from camera brands. Panasonic has patented switching rings, Nikon has patented prime lenses, while Canon offers some designs of 45mm and 70-200mm amongst others. As part of their new filings, Canon has released a patent that revises its iconic 16mm lens. Here's what is different.