About

Catherine Mapelli is an attorney with Arnold & Porter in New York, NY, where she practices in the firm’s general practice group. She brings a thoughtful, detail-oriented approach to her work and is committed to helping clients navigate a wide range of legal matters with clarity and confidence. Based in New York City, Catherine serves clients in a dynamic legal environment that demands practical judgment, responsiveness, and a strong understanding of complex legal issues. As a general practice attorney, Catherine is valued for her versatility and ability to adapt to the varied needs of clients and the firm. She approaches each matter with professionalism, diligence, and a focus on delivering effective legal support tailored to the client’s goals. Whether addressing routine matters or more nuanced legal questions, she is dedicated to providing reliable counsel and maintaining clear communication throughout the legal process. Catherine is admitted to practice in New York and is a member of the New York legal community under Bar Number 5992797. Through her work at Arnold & Porter, she contributes to a respected legal team known for high standards and client-focused service. Her practice reflects a commitment to integrity, practical problem-solving, and attentive representation.

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