Mayer Brown

Partner

Clients who do business with the federal, state, and local governments trust John Prairie to help them navigate complex procurement issues. John has extensive experience in high-stakes bid protests, claims litigation, and civil and criminal investigations involving government contracts. He represents some of the world’s largest aerospace and defense, logistics, information technology, healthcare, and professional services contractors. Emerging technology firms, as well as financial institutions and international companies with a limited footprint in the U.S. government market, trust John for his counsel on understanding and complying with the unique regulatory requirements of government contracts.

John has experience in a broad range of litigation, counseling, and transactional matters for clients who work with federal, state, and local governments. John represents government contractors in bid protests; contract claims, disputes and terminations; teaming, subcontracting and joint ventures; mergers and acquisitions; government investigations and False Claims Act matters; and suspension and debarment proceedings. He also counsels contractors on regulatory requirements under government contracts, including ethics and compliance matters, labor and employment requirements, supply chain integrity, intellectual property rights, and cost and pricing issues.