104(e) Letter Triggers Duty to Defend

According to the Ninth Circuit Court of Appeals, in Ash Grove Cement Co. v. Liberty Mutual Ins. Co., an unpublished opinion applying Oregon law, an insurer’s duty to defend begins with a “104(e) letter” from the EPA and continues for the duration of the regulatory process. In A “Suit” by Any Other Name: Ninth Circuit Rules CERCLA 104(e) Letter Triggers Duty to Defend, Pillsbury attorney Alex Lathrop discusses the Ash Grove ruling.