▁the ▁pat ente e ▁and ▁any ▁person ▁" c laim ing ▁under " ▁the ▁pat ente e ▁to ▁sue ▁for ▁dam ages : ▁ ▁The ▁question ▁of ▁who ▁qual ifies ▁as ▁a ▁person ▁" c laim ing ▁under " ▁a ▁pat ente e ▁has ▁been ▁analyz ed ▁numerous ▁times ▁by ▁Canadian ▁courts . ▁ ▁In ▁particular , ▁the ▁Supreme ▁Court ▁of ▁Canada ▁has ▁confirmed ▁that ▁a ▁non - ex clus ive ▁license e ▁may ▁sue ▁for ▁pat ent ▁in fr ing ement . ▁ ▁In ▁another ▁leading ▁case , ▁the ▁Federal ▁Court ▁of ▁App e al ▁bro aden ed ▁the ▁pool ▁of ▁persons ▁" c laim ing ▁under " ▁the ▁pat ente e : ▁ ▁[...] ▁a ▁person ▁“ c laim ing ▁under ” ▁the ▁pat ente e ▁is ▁a ▁person ▁who ▁der ives ▁his ▁rights ▁to ▁use ▁the ▁pat ented ▁in vention , ▁at ▁whatever ▁degree , ▁from ▁the ▁pat ente e . ▁The ▁right ▁to ▁use ▁an ▁in vention ▁is ▁one ▁the ▁mon opol y ▁to ▁which ▁is ▁con ferred ▁by ▁a ▁pat ent . ▁When ▁a ▁bre ach ▁of ▁that ▁right ▁is ▁assert ed ▁by ▁a ▁person ▁who ▁can ▁trace ▁his ▁title ▁in ▁a ▁direct ▁line ▁back ▁to ▁the ▁pat ente e , ▁that ▁person ▁is ▁“ c laim ing ▁under ” ▁the ▁pat ente e . ▁It ▁matters ▁not ▁by ▁what ▁technical ▁means ▁the ▁ac quisition ▁of ▁the ▁right ▁to ▁use ▁may ▁have ▁taken ▁place . ▁It ▁may ▁be ▁a ▁straightforward ▁assignment ▁or ▁a ▁lic ence . ▁It ▁may