About
William S. Heyman is a nationally respected trial attorney with decades of experience litigating complex business and estate disputes. As the founder of The Heyman Law Firm, he combines the litigation skills of a large firm with the dedication and accessibility of a boutique practice. His approach is defined by strategic insight, tenacity, and an unwavering commitment to his clients.
Mr. Heyman earned his Juris Doctor from the University of Maryland Francis King Carey School of Law in 1994. He holds a Bachelor of Arts in Political Science and History from Swarthmore College, where he also competed as a varsity football player. This strong academic foundation laid the groundwork for his analytical rigor and leadership in the courtroom.
Mr. Heyman is a proven trial lawyer with a strong record of success in complex business and estate litigation across Maryland, Washington, D.C., and nationwide. He has obtained multimillion-dollar settlements, resolved high-stakes contract and shareholder disputes, and prosecuted claims involving fraud, breach of fiduciary duty, and other business torts. His estate and trust litigation practice is equally sophisticated, representing family-owned companies, closely held businesses, and high-net-worth individuals in sensitive, high-value disputes.
Mr. Heyman’s AV Preeminent Rating from Martindale-Hubbell affirms his reputation for excellence, the highest peer-reviewed honor in the legal profession. His cases have been featured in major outlets, including The New York Times, Wall Street Journal, and Baltimore Sun. Clients rely on his precision, courtroom strength, and commitment to protecting their interests at every stage.
William S. Heyman brings a rare blend of elite advocacy and personal attention to each case he handles. Whether representing Fortune 500 companies or individuals needing trusted counsel, he consistently delivers outcomes that reflect his legal acumen and integrity. His leadership continues to define The Heyman Law Firm’s mission of providing sophisticated litigation services with an uncompromising focus on client success.
Law Office Affiliations
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Founder, Heyman Law Firm
- Member, Maryland Bar Association
Licensed State
- Maryland
- District of Columbia
Education
- University of Maryland School of Law
Juris Doctor (JD) - Swarthmore College
Bachelor of Arts (BA)
Awards & Badges



- Litigation
- Commercial Real Estate
- Residential Real Estate
- Contracts & Agreements
- Trusts




