Jeffrey A. Usow

Mr. Warren is a principal with the firm and has concentrated his practice in the area of matrimonial law since 1989. A significant part of his practice involves analysis of complex financial issues, business and real estate valuation, and cash flow analysis in connection with matrimonial matters. Named to 2013 Edition of the Best Lawyers in America. AV Preeminent Rating from Martindale-Hubbell In 2004, was named one of the "Top 40 Under 40 Illinois Attorney", by the Illinois Law Bulletin. Nam...

Douglas Masters litigates and counsels clients primarily in the areas of intellectual property, advertising and unfair competition. He helps brand owners, sports leagues, athletes and advertisers protect and leverage their branding, marketing and other IP assets. Notably, he has worked with the National Collegiate Athletic Association for nearly 20 years on brand protection strategy, helping strengthen the organization’s ability to support college athletics. Doug has counseled major cor...

Tracy Brammeier is no stranger to tort law, having worked as a clerk at the firm for years and then jumping into courtroom work and complex tort cases. In fact, her intelligence and legal acumen have led her to already have worked on some of the biggest lawsuits filed at the firm, led by partners directing the cases. She works closely with partner Kevin P. Durkin handling many transportation accident matters. Tracy has worked on several cases involving bicyclists struck by trucks, a man who s...

Paul T. Fox focuses his practice in commercial litigation for more than 30 years. He regularly represents litigants in federal and state courts at both the trial and appellate level, as well as before arbitration panels, mediators and other alternative dispute resolution forums. An experienced trial lawyer, Paul typically tries cases every year. He has been a member of the Trial Bar for the United States District Court in Chicago for the past 20 years. He also teaches trial advocacy at Northw...

Michael leads Neal Gerber Eisenberg’s Private Equity, Venture Capital & Growth Companies practice, as well as its Fund Formation & Investment Management practice. Michael primarily represents private equity sponsors, venture investors, private funds, private equity and venture-backed companies, executives, and family offices. His extensive experience in complex transactional and corporate governance matters makes him an invaluable asset to his clients, who turn to him for advice...

Michael R. Strong is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Michael R., who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael R. is held by other top lawyers in the same geographic and legal practice area.

With nearly 30 years of experience working with clients that include household brands and, in particular, mid-market businesses, John is able to remain calm and focused when encountering challenging environments. He helps clients to reduce stress in service of negotiating their desired resolution. Because copyright and trademark litigation is frequently used as a competitive tool, John works to ensure efficiency and preserve client resources throughout the litigation process, including elimin...

Brian C. Rupp is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Brian C., who practices law in Chicago, Illinois, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian C. is held by other top lawyers in the same geographic and legal practice area.

Fran is a compassionate and resourceful attorney whose practice encompasses all areas of complex family law, including divorce, marital dissolutions, child custody, allocation of parental responsibility, maintenance and child support, relocation, and asset identification and division. Fran also has extensive experience with prenuptial and postnuptial agreements. Because Harrison LLP also provides depth in multiple related practice areas, Fran’s clients benefit from sophisticated estate ...

Kenneth A. Wexler is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law. Kenneth A., who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kenneth A. is held by other top lawyers in the same geographic and legal practice area.