Legal news Roundup - January 16, 2012Compiled By Katia Caporiccio [span style="text-decoration: underline;"][b]Canada[/b][/span]Canada facing legal challenge over Kyoto withdrawal, ReutersMoving company used extortion against customer: judge, CBC News B.C. judge orders condo owner to sell unit, [em]National Post[/em][span style="text-decoration: underline;"][b]United States[/b][/span]Federal judge rejects challenge to gun dealer rules, [em]The Washington Post[/em]Motorola did not infringe on Apple patents: U.S. trade judge[em], Chicago Tribune[/em][span style="text-decoration: underline;"][b]International[/b][/span]Pakistan Supreme Court challenges PM for failing to pursue corruption cases, ReutersIreland's High Court declares Sean Quinn bankrupt, Reuters[span style="text-decoration: underline;"][b][/b][/span]