Jefferey Ogden Katz

At The Katz Law Firm, P.C., located in Chicago, Illinois, Jefferey Ogden Katz stands out as a distinguished trial lawyer focusing on professional responsibility. With nearly two decades of experience, he has carved a niche in handling legal malpractice and professional liability cases, representing both plaintiffs and defendants across the nation. His competence spans a wide array of clients, including individuals, corporations and law firms, whom he represents in litigation, trials and alternative dispute resolution. 

Mr. Katz’s deep understanding of attorney ethics and disciplinary issues, coupled with his experience on both sides of professional liability matters, empowers him to be a formidable advocate for his clients.

Throughout his career, Mr. Katz has achieved remarkable success in numerous high-stakes cases. Notably, he secured a settlement exceeding $10 million in a complex legal malpractice case involving intellectual property. He also obtained a $2,550,377 judgment for a professional athlete in a case concerning a failed sports franchise purchase and achieved a $1,386,666 summary judgment against a former accountant and adviser for another athlete client.

Mr. Katz's academic journey began with a B.A. from the University of Wisconsin–Madison in 2000, followed by a law degree from Case Western Reserve University School of Law in 2004. Admitted to practice in Illinois the same year, he quickly established himself as a leading figure in his field. His peers have consistently recognized his excellence, naming him an “Emerging Lawyer” in 2015 and 2016, and a “Leading Lawyer” from 2017 onwards, as per surveys by Law Bulletin Media. Additionally, he holds an AV Preeminent* peer-review rating through Martindale-Hubbell, underscoring his commitment to legal excellence and ethical practice.

*AV®, AV Preeminent®, Martindale-Hubbell Distinguished and Martindale-Hubbell Notable are certification marks used under license in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell® is the facilitator of a peer-review rating process. Ratings reflect the anonymous opinions of members of the bar and the judiciary. Martindale-Hubbell® Peer Review Ratings™ fall into two categories – legal ability and general ethical standards.