Mealey's (December 12, 2016, 10:16 AM EST) -- SALEM, Ore. — Applying the four-corners rule to an insurer’s duty to defend an additional insured general contractor, the Oregon Supreme Court on Dec. 8 affirmed that the insurer owes a defense under a liability insurance policy for defects in a townhome development (West Hills Development Co. v. Chartis Claims, Inc., et al., No. S063823, Ore. Sup.; 2016 Ore. LEXIS 755)....