Third party notice will not be set aside where the application was made within reasonable time

Personal injuries - application to set aside third-party notice - O.16 r. 8(3) RSC - wall-mounted television fell from wall and struck plaintiff on head and face - substantive proceedings concerned with defendant's actions in installing and fitting television unit - whether first-named defendant delayed unduly in bringing motion to join applicant as a third party - 13 months - defendant had wrongly named a dissolved company as the second defendant - whether defendant should have known of the proper name and didn't act as soon as reasonably possible to rectify its error - whether delay wholly unexplained and excessive - whether a failure to disclose prejudice - multiplicity of companies under control of applicant - applicant sought a third-party statement of claim and therefore engaged in the proceedings - legal principles to be applied - requirement to move with reasonable expedition - unreasonable not to have carried out a CRO search prior to writing indemnity letter - third party's detail never explored - whole circumstances of case to be considered - claim not statute-barred - application not made too late - relief refused - question of prejudice not explored as no evidence of actual prejudice established.