He advises privately held and publicly traded companies against primary and excess insurers under D&O, cyber, tech E&O, property, general liability, professional liability, crime, and other insurance policies. He has extensive experience counseling clients at all stages of an insurance claim life cycle: from negotiation of insurance policy language, to navigating complex claims, to litigating adverse coverage decisions when necessary.

Arthur regularly advises businesses impacted by ransomware attacks, data breaches, and other cyber events, where losses — particularly business interruption — can be substantial and recovery under all available insurance policies is critical. He counsels clients on issues involving first- and third-party coverages, including ransom payments, remediation costs, government investigation defense costs and monetary penalties, as well as class action litigation and demands from impacted business partners.