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John Leith is an attorney with Mattson, Madden & Leith in Millburn, New Jersey, where he provides clients with trusted counsel across a broad range of legal matters. As a general practice lawyer, Mr. Leith is committed to delivering practical, thoughtful guidance tailored to each client’s unique circumstances. His work reflects a dedication to professionalism, responsiveness, and clear communication, helping clients feel informed and supported throughout every stage of the legal process. Based in Millburn, NJ, Mr. Leith serves individuals and businesses seeking reliable legal representation from a lawyer who values both attention to detail and a client-focused approach. His general practice background allows him to address a variety of legal needs with flexibility and care, making him a valuable resource for clients navigating everyday legal concerns as well as more complex issues. He understands that legal matters can be stressful and works diligently to provide solutions that are grounded, effective, and aligned with his clients’ goals. Mr. Leith is licensed to practice in New Jersey, where he is admitted under Bar Number 2158863. Through his practice at Mattson, Madden & Leith, he continues to serve the Millburn community with integrity and dedication, offering dependable legal support built on professionalism and a commitment to client service.