Samuel S. Park

Charles R. Naftalin is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law. Charles R., 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 Charles R. is held by other top lawyers in the same geographic and legal practice area.

Carl C. Risch is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Carl C., who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carl C. is held by other top lawyers in the same geographic and legal practice area.

John D. Seiver is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law. John 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 John D. is held by other top lawyers in the same geographic and legal practice area.

Cathy Burgess leads the firm’s FDA Compliance and Enforcement Team and FDA practice. FDA-regulated entities benefit from Cathy's common-sense advice for achieving business objectives that avoid compliance and enforcement risks. With more than 30 years of extensive experience in the areas of CGMP regulation and product risk management, she provides strategic counseling and works with clients to identify and address potential risks throughout the product life cycle. Cathy advises clients ...

Nat P. Calamis is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Nat P., 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 Nat P. is held by other top lawyers in the same geographic and legal practice area.

Jonathan P. Trotta is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Jonathan P., 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 Jonathan P. is held by other top lawyers in the same geographic and legal practice area.

Mark S. Popofsky is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Litigation - Antitrust. Mark S., who practices law in Washington, District of Columbia, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark S. is held by other top lawyers in the same geographic and legal practice area.

Evan Pritchard is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law and Real Estate Law. Evan, who practices law in Alexandria, Virginia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Evan is held by other top lawyers in the same geographic and legal practice area.

Perry A. Lange is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Antitrust. Perry A., who practices law in Washington, District of Columbia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Perry A. is held by other top lawyers in the same geographic and legal practice area.

John Parker Sweeney has more than 30 years of experience defending major class action and mass torts involving product liability and warranty, consumer protection, environmental, and toxic tort cases, allowing him to tailor an appropriate litigation response for any company to resolve "bet-the-company" risks. He regularly serves as national litigation counsel, creating and supervising comprehensive defense strategies in class action and mass tort cases across the country, most recently sweepi...