About

Daniel Patrick Ryan is an attorney with Sullivan & Worcester LLP in Boston, where he focuses his practice on tax, advertising, and litigation matters. Based at 1 Post Office Sq, Boston, MA 02109-2106, he brings a broad legal perspective to clients navigating complex regulatory, commercial, and dispute-driven issues. His work is informed by a practical understanding of how tax considerations, advertising compliance, and litigation strategy can intersect in both everyday business operations and high-stakes disputes. Known for a thoughtful and disciplined approach, Mr. Ryan assists clients in addressing legal challenges with clarity and precision. He works to identify risks early, develop sound strategies, and guide matters toward efficient and effective resolution. Whether advising on tax-related concerns, supporting businesses with advertising matters, or advocating in litigation, he is committed to providing responsive counsel tailored to each client’s goals and circumstances. At Sullivan & Worcester LLP, Mr. Ryan is part of a respected legal team serving clients with sophisticated legal needs. His practice reflects a commitment to strong advocacy, careful analysis, and practical problem-solving. Clients working with Daniel Patrick Ryan can expect professional representation grounded in attention to detail, strategic thinking, and a dedication to protecting their interests.

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