Chicago, Illinois 60606
United States
Diane is a partner in the firm's Chicago office, and is a member of the firm's Global Regulatory Enforcement Group. She represents clients in a wide variety of industries that are engaged in commercial litigation and arbitrations, as well as administrative, regulatory and government proceedings. Her representations include cases involving antitrust, consumer fraud, privacy, Lanham Act, trade regulation, trade secrets, unfair competition, tortious interference, healthcare, and state attorney general actions, both in individual actions and in class actions. Diane is AV-rated by Martindale-Hubbell.
Diane represents clients in antitrust consultation and litigation, including private class actions, government actions, and antitrust compliance programs. Her representations have generated numerous published opinions on a variety of antitrust issues, including relevant market definition and antitrust injury. Diane has been named an "Illinois Super Lawyer in Antitrust Litigation" every year since 2006 and is listed in The Best Lawyers in America; in Antitrust Law.
In addition, Diane is a leading attorney in the area of escheat laws. She represents clients in state audits of unclaimed property and in negotiations and/or litigation arising from state unclaimed property audits. Diane successfully represented McKesson Corporation in a lawsuit against the State of Delaware challenging the legality of requiring the escheat of a particular property type. She currently represents numerous Fortune 500 companies in unclaimed property audits. As a former practicing CPA, Diane combines her experience and understanding of accounting, business transactions, and litigation in unclaimed property audits to assist companies in identifying the relevant facts needed to develop strong factual and legal defenses.
Finally, Diane has extensive experience representing clients, in litigation, arbitrations, and consultation matters, in the area of franchise and distribution law (general and industry-specific). She is on the Governing Committee of the ABA Forum on Franchising, has written numerous articles and made presentations on franchise and distribution law, and she is a former Associate Editor and Articles Editor of The Franchise Law Journal. Diane is listed in Chambers USA, The Best Lawyers in America; and Who's Who Legal in Franchise Law and has been honored as a "Legal Eagle" in franchise and distribution law in the Franchise Times.
For more than 15 years prior to becoming a lawyer and joining her previous firm in 1993, Diane, who is a Certified Public Accountant, served in both the tax and audit departments of large national and regional CPA firms.
Areas of Practice | 1) Litigation & Dispute Resolution, 2) Antitrust & Competition, 3) Global Regulatory Enforcement, 4) Data Privacy, 5) Security, 6) and Management and 7) Complex Litigation Strategy |
Law School | John Marshall Law School, 1993, J.D. |
Education | DePaul University, 1978, M.S.;University of Illinois at Urbana-Champaign, 1975, B.S. |
Bar Member / Association | Illinois State Bar Association |
Most recent firm | Reed Smith LLP |
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Due to his extensive activities in the legal market, A. Harrison Barnes is a well-known attorney throughout the United States. As a member of the Malibu community, Harrison is committed to serving the needs of Malibu residents and businesses in legal