Timothy P. " Tim" Callahan

Beata Leja is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Beata, 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 Beata is held by other top lawyers in the same geographic and legal practice area.

Michael J. Sorich is a veteran trial attorney and partner at Cavanagh Sorich Law Group with a track record of securing outstanding results in personal injury, medical malpractice and wrongful death cases. Sorich brings more than two decades of trial experience to his practice and has obtained more than $300 million in verdicts and settlements for clients in Illinois and across the country since joining the firm in 2016. He has played a key role in many of the firm’s biggest and most hig...

Thomas J. Wimbiscus, a shareholder with McAndrews, has more than thirty years of experience and practices in all areas of intellectual property litigation, with a special emphasis on patent and trademark litigation. He has appeared in over 100 litigations and over 100 inter partes reviews (IPRs). He was named one of the 10 most active IPR practitioners in the U.S. for patent owners. (Patexia 2018.) Tom was named as one of the world’s leading patent professionals by IAM Patent 1000 in 20...

R. David Donoghue is a trial attorney and the deputy practice group leader of Holland & Knight's Intellectual Property Group, focusing his almost 15 years of experience upon intellectual property litigation and particularly upon patent disputes. Mr. Donoghue's most recent trial experience includes a jury verdict finding of willfulness, a full trebling of damages and a full award of attorney's fees in the Northern District of Illinois. Mr. Donoghue has also been chosen as lead trial counse...

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...

Norah Jones is a founder and principal of C3 Legal LLC. Norah’s practice focuses primarily on representing public charities and private foundations. She also advises family offices and founders in the creation and operation of new philanthropic vehicles. She has a particular passion for organizations focused on economic justice and community safety.

Andrew advises public and private companies on plan design and administration, fiduciary responsibility, claims procedures, and disclosure requirements under ERISA, the Internal Revenue Code, and other laws. He has extensive experience guiding them regarding the legal, financial, and administrative issues that affect qualified and nonqualified retirement plans, health and welfare plans, and other employee benefit arrangements, including issues that arise during mergers, acquisitions, and othe...

Jim Murphy has 20+ years of experience practicing intellectual property law, including successfully representing clients as lead counsel in jury trials across the country and proceedings before the U.S. Patent and Trademark Office. Jim helps clients secure and maximize the value of their intellectual property. He also counsels clients on all related issues such as licensing, unfair competition, trade secrets, and copyright. Jim also represents clients with intellectual property aspects of mer...

Jim Gaughan is a tough, talented, and experienced commercial litigator who has used his considerable experience and equanimity to successfully represent clients in a wide range of complex and challenging class action lawsuits in jurisdictions across the country. He is relentless about preparation and tactics, constantly weighing and analyzing the respective strengths of his clients, as well as their adversaries, in order to create the most effective and efficient legal strategies.

Mark D. Pollack is a partner in the Litigation practice of Paul Hastings and is based in the firm’s Chicago office. He also serves as the Firm’s General Counsel. Mr. Pollack concentrates his practice in the areas of white-collar criminal defense, complex commercial litigation, internal corporate investigations, and compliance counseling. He has extensive experience in counseling and defending corporations, boards of directors, and executive officers in relation to a broad range of...