Over the last several months, courts in Washington, Kansas, and Virginia have awarded victories to carriers asserting a suit limitation defense, and there are three valuable takeaways from the decisions. First, the insurer need not demonstrate that it was prejudiced by the failure to file suit within the limitations period; suit limitation provisions are not like notice of loss or proof of loss clauses. Second, the clock starts running on the suit limitation period when the policyholder has knowledge of the occurrence which ultimately gives rise to his or her loss, not when he or she has knowledge of the cause of that occurrence. Third, the provision is a contractual limitations period and, as such, not subject to state laws…