About

Marguerite O’Brien is an attorney with Ross Aronstam & Moritz LLP in Wilmington, Delaware, where she focuses her practice on general practice matters. Based in the heart of Wilmington, she is committed to providing clients with thoughtful, responsive legal guidance tailored to their individual needs. Drawing on a broad legal perspective, Ms. O’Brien approaches each matter with care, professionalism, and a practical understanding of how to help clients navigate a wide range of legal concerns. With a client-centered approach, Ms. O’Brien works to ensure that each person she represents receives clear communication, diligent attention, and dependable support throughout the legal process. She understands that legal issues can be stressful and often require both precision and adaptability, and she strives to help clients feel informed and confident at every stage. Her practice reflects a commitment to effective advocacy, strategic problem-solving, and attentive service. Ms. O’Brien is admitted to practice in Delaware and is licensed under Bar Number 5694245. Through her work at Ross Aronstam & Moritz LLP, she continues to serve clients in Wilmington and throughout the surrounding region with professionalism and dedication.

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