Sarah A. Haight

Nathaniel Edmonds serves as the Co-Chair of the firm’s litigation practice in Washington, D.C., which houses over 100 lawyers handling a variety of litigation matters, including internal corporate investigations, white collar criminal defense, anti-corruption compliance, sanctions and export controls, data privacy and cyber security, intellectual property and patent litigation, international arbitration, and antitrust counseling. Mr. Edmonds focuses on global internal investigations, in...

Tom Saunders' practice focuses on appellate and government and public policy litigation with a particular emphasis on intellectual property. He has extensive experience representing clients in patent and complex civil cases and has built a reputation as a leading advocate in high-stakes appellate litigation. He has argued and won two cases, involving patents and government contracts, in the US Supreme Court, where he previously clerked for Justice Ruth Bader Ginsburg. He has also argued and w...

Christine Keller advises a wide range of clients on all aspects of health and welfare plan design, administration, and funding including compliance with federal tax, ERISA, and other federal and state law requirements, plan and VEBA trust document drafting, participant disclosure, change in election issues, wellness program compliance, and claims and appeals. Her clients include employers, insurers, and service providers of all sizes. She draws on her prior IRS experience to provide practical...

Patricia M. Weaver is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Bet-the-Company Litigation, Commercial Litigation and Mediation. Patricia M., who practices law in Bethesda, Maryland, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patricia M. 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.

Marisa C. Terrenzi is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Marisa C., who practices law in Tysons, Virginia, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marisa C. is held by other top lawyers in the same geographic and legal practice area.

John H. LeSeur is a top attorney recognized by Best Lawyers in the practice area(s) of Railroad Law and Transportation Law. John H., who practices law in Washington, District of Columbia, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John H. is held by other top lawyers in the same geographic and legal practice area.

Joel C. Rush is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Joel 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 Joel C. is held by other top lawyers in the same geographic and legal practice area.

Don Sperling’s extensive experience handling issues related to businesses, from start-ups to fully matured companies, enables him to evaluate clients’ legal and business concerns and opportunities from multiple angles. He adeptly guides them through short- and long-term considerations for their businesses, whether in the context of a potential merger or acquisition, key hire, a real estate transaction, an employment issue, a business strategic planning consideration or a litigatio...

James N. Czaban is a top attorney recognized by Best Lawyers in the practice area(s) of FDA Law. James N., who practices law in Washington, District of Columbia, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James N. is held by other top lawyers in the same geographic and legal practice area.