RE ST PAUL FIRE & MARINE INSURANCE CO LTD ET AL AND DURABLA CANADA LTD

(1995) 4 Re LR 192

Canada Ontario Court (General Division)

Before Potts J

Asbestos - CGL policies - Insured covered by different insurers at different times - Periods when insured not covered - Whether insurers under duty to defend in claims alleging progressive disease (asbestosis) - Whether, if the insurers had duty to defend, duty could be prorated to correspond with periods during which insured had insurance - Whether “manifestation” theory should be adopted.