About

David Henry Hoffman is a seasoned attorney with Sidley Austin LLP in Chicago, where he focuses his practice on antitrust and trade law, ethics and professional responsibility, and intellectual property matters. Drawing on deep experience across these interconnected areas, he advises clients on complex legal and regulatory challenges that often require strategic analysis, sound judgment, and a practical understanding of business risk. From competition-related issues to professional conduct questions and IP-focused disputes, he helps clients navigate high-stakes matters with clarity and precision. Based in Chicago, Illinois, Mr. Hoffman is known for a thoughtful, solutions-oriented approach that emphasizes both legal rigor and client service. He works closely with individuals and organizations to identify risks early, address sensitive issues effectively, and develop strategies tailored to each client’s goals. His practice reflects a commitment to disciplined advocacy and careful counsel in matters where technical detail, ethical considerations, and commercial priorities often intersect. At Sidley Austin LLP, Mr. Hoffman contributes to a nationally recognized law firm environment that serves clients across industries and jurisdictions. His broad background in antitrust & trade law, ethics & professional responsibility, and intellectual property positions him to handle sophisticated matters that demand experience, discretion, and a strong command of the law. Clients turn to him for dependable guidance, responsive communication, and a steady approach to resolving complex legal issues.

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