About

Mary Kostopoulos is an attorney with Grainger in Lake Forest, Illinois, where she represents clients in a broad range of legal matters through the firm’s general practice. With a client-focused approach and a commitment to delivering practical legal guidance, she works to help individuals and businesses navigate everyday legal concerns with confidence and clarity. Her practice reflects a dedication to responsive service, careful preparation, and thoughtful advocacy tailored to each client’s unique needs. As a general practice attorney, Mary Kostopoulos is well positioned to assist clients with a variety of legal issues that may arise in daily life or business. She understands that legal matters can be stressful and often require timely, reliable answers. For that reason, she strives to provide straightforward counsel and attentive communication throughout the legal process. Her professional style emphasizes accessibility, professionalism, and a solutions-oriented mindset, helping clients make informed decisions at every stage. Mary is admitted to practice in Illinois and is a member of the Illinois Bar, Bar Number 4568895. Based in Lake Forest, IL, she is proud to serve clients in the community and surrounding areas with dependable legal support. Through her work at Grainger, Mary remains committed to advocating for her clients’ interests while offering the practical insight and personal attention they need from a trusted attorney.

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