By Shubha Nijhawan
"Final action" practice in Canadian patent prosecution will change when amendments to the Patent Rules come into force on December 28, 2013.
By David Heller
, Vanessa Komarnicki
In a recent decision, the Canadian Federal Court of Appeal found that the duty of good faith based on s. 73(1)(a) of the Canadian Patent Act cannot be relied upon to attack the validity of an issued patent (Corlac Inc v Weatherford Canada Ltd ("Weatherford"), 2011 FCA 228).