Patrick R. Duffey

Jason Friedl is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Jason, who practices law in Chicago, Illinois, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jason is held by other top lawyers in the same geographic and legal practice area.

Floyd Mandell is the national co-chair and founder of the firm's Intellectual Property department. He has represented some of the world’s most recognizable companies in intellectual property litigation. Few other lawyers have handled as many high-profile cases over the past 20 years involving copyrights, trademarks, trade secrets, trade dress, false advertising and defamation. He has been lead counsel in more than 40 published decisions, many involving novel or cutting-edge issues. On m...

Chris Dolan’s clients rely on his practical, business-oriented advice pertaining to trademark and unfair competition litigation, trademark enforcement and trademark counseling matters. His dispute resolution abilities span virtually all phases of trademark and unfair competition cases in federal court, including preliminary injunction actions, bench and jury trials and appellate matters. Chris has handled dozens of complex trademark disputes before the U.S. Patent and Trademark Office&r...

Edward R. Winkofsky, Chair of the Gaming Practice, focuses his practice on gaming regulatory compliance, licensure, and private equity investments in the gaming industry. He also advises clients on internal investigations and charitable gaming. Since joining the firm in 2010, Ed has served as regulatory counsel to gaming industry suppliers and operators, sports wagering and iGaming platform providers and content creators, horse tracks, video gaming route operators, lottery providers, tribal l...

John represents large publicly traded and privately held businesses in controversies, transactional matters and tax planning involving state and local corporate income/franchise taxes, gross receipts taxes, sales and use taxes, and other business privilege taxes. He also defends clients in state tax audits and litigation before courts, administrative agencies and departments of revenue throughout the country. In addition to his state and local tax practice, John is also one of the nation&rsqu...

Anne M. Oldenburg is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Defendants. Anne M., who practices law in Chicago, Illinois, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Anne M. is held by other top lawyers in the same geographic and legal practice area.

Laurie Levin is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Real Estate Law. Laurie, who practices law in Chicago, Illinois, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Laurie is held by other top lawyers in the same geographic and legal practice area.

Adam Damerow is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Adam, who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Adam is held by other top lawyers in the same geographic and legal practice area.

Richard “Rush” Howell is a litigation partner in Kirkland’s Chicago office. Recognized as a trial lawyer companies call when the issues are too important not to fight, Rush has significant experience serving as trial counsel for companies in high-profile restructuring and product liability cases and representing private equity sponsors and their portfolio companies in a wide array of business disputes. His practice spans commercial litigation, restructuring, data security an...

Chair of the firm’s Environmental Department, Erika Powers’ practice is totally focused on nationwide water quality issues. Her ability to understand the most complex details of a matter without losing sight of the macro agenda and big-picture client objectives is critical when analyzing the intersection of science and law surrounding water quality regulation. Notably, Erika provides veteran legal counsel regarding regulatory matters involving state and federal environmental agenc...