John J. O'LearyConstruction & Development Attorney in Chicago, IL

About

John J. O’Leary is the founder of O’Leary Law Firm, LLC, where he represents clients in construction and development matters, real estate disputes, and litigation. Based in Chicago, Illinois, he brings a seasoned, practical approach to resolving complex legal issues that affect property owners, developers, contractors, and other business clients. With deep experience in construction and real estate law, Mr. O’Leary understands the challenges that can arise during development projects, property transactions, and disputes, and he works to help clients protect their interests at every stage. At O’Leary Law Firm, LLC, John J. O’Leary is known for providing straightforward counsel and strategic advocacy tailored to each client’s goals. He approaches matters with a focus on efficient problem-solving, clear communication, and strong preparation, whether handling negotiation, dispute resolution, or courtroom litigation. His practice is designed to support clients facing high-stakes legal and business concerns with responsive service and dependable guidance. Serving clients from his Chicago office at 20 N Clark St Ste 850, John J. O’Leary is committed to delivering personalized legal solutions grounded in experience and professionalism. His work reflects a dedication to helping clients navigate construction, real estate, and litigation matters with confidence.

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