The copyright works in question do not have to be registered with the Canadian Intellectual Property Office. (canadiancopyrightlaw.ca)
That's because the Shakespeare and Milton work in question are two big budget studio films with CGI - loving directors at the helm, and in the former's case it's more of an unraveling of the lore surrounding William Shakespeare than an adaptation. (indiewire.com)
For authors, the creative work in question is the text of their manuscript — not the ideas, plot, or character names, but the text itself; the words arranged in their particular order by the author. (indiebooklauncher.com)