About Us Led by Steve Sumner, Justin Sumner and David Schick, our law practice provides a high standard of service to meet all the legal needs for commercial litigation and business law. For more than three decades, our distinguished trial lawyers and attorneys have delivered results for corporations and individuals. Sumner Schick LLP works with businesses of every size, from Fortune 500 companies to startups. From our headquarters in Dallas, we handle complex cases nationwide. Focus areas include Information Technology disputes, False Claims Acts, Qui Tam, antitrust, corporate fraud, and unfair competition. In addition, the firm has deep experience in labor and employment litigation and white collar civil and criminal defense.