September 10, 2015
Tesoro Corp. on Thursday asked a Texas federal judge to issue a final judgment in Chartis Specialty Insurance Co.'s coverage suit over $29.6 million in environmental cleanup costs at a California refinery, seeking to appeal Chartis' earlier win.
November 10, 2014
Chartis Specialty Insurance Co. and Tesoro Corp. fired off dueling motions for summary judgment in Texas federal court, both asking the court to determine whether a policy Chartis assigned to the oil refiner in 2002 applies to a subsidiary seeking coverage of $29.6 million in environmental cleanup costs at a California refinery.
November 30, 2011
Tesoro Corp. struck back Wednesday at Chartis Specialty Insurance Co. in a dispute over environmental cleanup costs at a California refinery, launching a complaint in California that seeks at least $80 million from Chartis and moving to dismiss the insurer's complaint in Texas.
November 08, 2011
Chartis Specialty Insurance Co. sued Tesoro Corp. in Texas federal court Monday over $29.6 million in environmental cleanup costs, claiming a $58.5 million settlement between the petroleum refiner and ConocoPhillips does not apply toward a retention in Tesoro's pollution liability policy.