By John McKeown ( September 28, 2022, 2:23 PM EDT) -- Canadian Energy Services L.P. and Canadian Energy Services Inc. (Canadian Energy) are successors in interest to the party who filed Canadian Patent No 2,624,834 as owner. In Alberta, Canadian Energy sued Secure Energy Services Inc. (Secure Energy) and Secure Energy Inc. (collectively Secure) in 2018 alleging patent infringement and seeking various types of relief, including a declaration of patent infringement, declaration of ownership, injunctive relief, damages, disgorgement and imposition of a constructive trust (Secure Energy Services Inc. v. Canadian Energy Services Inc. 2022 ABCA 200)....