Maureen R. Jeffreys

Justin P.D. Wilcox is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Justin P.D., who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Justin P.D. is held by other top lawyers in the same geographic and legal practice area.

Brittany McCants is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Brittany, who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brittany is held by other top lawyers in the same geographic and legal practice area.

Victor E. Long is a Partner in the Washington, D.C. litigation law firm of Regan Zambri Long PLLC and limits his practice to representing injured clients in medical malpractice, automobile, wrongful death and other serious personal injury cases. Mr. Long is board-certified in Civil Trial Advocacy by the National Board of Trial Advocacy and is licensed to practice in the District of Columbia and Maryland. Prior to entering private practice, Mr. Long was a trial attorney in the U.S. Department ...

Joyce advises clients on regulatory, legislative, and compliance issues. Clinical laboratories and a wide range of other health care entities rely on her comprehensive understanding of health care law and on her advocacy and public policy experience to navigate through various policy issues. Joyce draws on her experience of more than a decade as a public policy advocate and campaign professional. She worked for Democratic candidates campaigning for President, governor, U.S. Senate, and U.S. H...

Barry Boss is co-chair of Cozen O’Connor’s Criminal Defense & Internal Investigations practice group, vice chair of the Commercial Litigation Department and office managing partner of the D.C. office. Prior to joining Cozen O’Connor in April 2004, Barry was an assistant federal public defender in Washington, D.C. Barry focuses his practice on complex criminal matters, particularly involving allegations of white-collar crime in federal court. Barry has extensive jury tria...

David E. Kay is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. David E., who practices law in Bethesda, Maryland, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David E. is held by other top lawyers in the same geographic and legal practice area.

After graduating from Penn State and receiving her law degree, with honors, from George Mason University School of Law, Karin Riley Porter has had years of experience in the law in a wide range of cases, including DUIs and violent felonies. Before launching Karin Riley Porter Attorney at Law, Ms. Porter served as prosecutor, ultimately providing her with a different perspective of the legal system which she can use when building a defense. Ms. Porter’s extensive knowledge and training i...

Recognizing that many people meet Heather Mehigan during times of significant personal and family turmoil, her legal insight and sincerity puts them at ease. A tireless advocate for her clients, she assesses the circumstances of each matter and then works collaboratively with all parties to affect the best possible resolution. Heather instills a sense of confidence in her clients, and opposing counsel respect her fair and firm efforts to achieve consensus. Her areas of focus include fiduciary...

Brian Nixon’s practice spans advertising, technology, emerging media and privacy, with particular focus on clients implementing targeted advertising strategies and other data-driven marketing initiatives across various media channels. He provides forward-thinking counsel to clients ranging from startups (including social media platforms and emerging media ventures) to Fortune 500 companies. He advises organizations of all sizes on data optimization, mobile commerce, Telephone Consumer P...

Jane C. Horvath is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law. Jane C., who practices law in Washington, District of Columbia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jane C. is held by other top lawyers in the same geographic and legal practice area.