David A. O'Neil

Stephen L. Braga is a top attorney recognized by Best Lawyers in the practice area(s) of Bet-the-Company Litigation, Commercial Litigation, Criminal Defense: General Practice, Criminal Defense: White-Collar, Legal Malpractice Law - Defendants, Litigation - Regulatory Enforcement (SEC, Telecom, Energy), Litigation - Securities and Professional Malpractice Law - Defendants. Stephen L., who practices law in Washington, District of Columbia, has been recognized since 2006. This recognition is bas...

Gifford R. Hampshire is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Land Use and Zoning. Gifford R., who practices law in Manassas, Virginia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gifford R. is held by other top lawyers in the same geographic and legal practice area.

Dara Levy helps pharmaceutical and medical device companies on a wide range of issues relating to product communications, marketing, and import/export. Dara assists clients with products in all stages of development to design engaging communications compliant with FDA legal and regulatory requirements. In the pre-marketing stage, Dara works with companies to strategically communicate with investors, potential marketing partners, and the scientific community, as well as implement effective dis...

Lawrence M. Prosen is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration, Construction Law and Litigation - Construction. Lawrence M., who practices law in Washington, District of Columbia, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lawrence M. is held by other top lawyers in the same geographic and legal practice area.

James L. Boring is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. James L., who practices law in Fairfax, Virginia, has been recognized since 1997. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James L. is held by other top lawyers in the same geographic and legal practice area.

Emily J.H. Daniels is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law. Emily J.H., who practices law in Washington, District of Columbia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Emily J.H. is held by other top lawyers in the same geographic and legal practice area.

Sean A. Atkins is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Sean A., who practices law in Washington, District of Columbia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sean A. is held by other top lawyers in the same geographic and legal practice area.

Megan Mocho is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Megan, who practices law in Tysons, Virginia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Megan is held by other top lawyers in the same geographic and legal practice area.

Mimi Y. Liu is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Mimi Y., 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 Mimi Y. is held by other top lawyers in the same geographic and legal practice area.

Thomas A. Cawley, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Thomas A., who practices law in Washington, District of Columbia, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas A. is held by other top lawyers in the same geographic and legal practice area.