About

Riley O’Brien is an attorney with Sidley Austin LLP in Boston, Massachusetts, where he focuses his practice on general practice matters. Known for a thoughtful, detail-oriented approach, Riley works closely with clients to help them navigate a wide range of legal issues with clarity and confidence. His practice is grounded in practical problem-solving, careful analysis, and a commitment to delivering responsive, reliable counsel tailored to each client’s needs. Based in Boston, Riley brings a strong professional presence to his work and is dedicated to providing high-quality legal support in a fast-moving and demanding legal environment. He understands that clients often seek not only legal guidance, but also an attorney who will listen carefully, communicate clearly, and take a strategic approach to resolving issues efficiently. Riley strives to be that trusted advocate, emphasizing professionalism, thorough preparation, and client-focused service in every matter he handles. Licensed in Massachusetts under bar number 6269898, Riley O’Brien is committed to helping clients move forward with confidence. Whether addressing routine legal concerns or more complex matters, he approaches each engagement with integrity, diligence, and a strong dedication to client service. His work reflects the values that matter most in general practice representation: accessibility, attention to detail, and a practical understanding of how to achieve effective results.

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