Walter J. Sheffield

T. Reed Stephens is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. T. Reed, 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 T. Reed is held by other top lawyers in the same geographic and legal practice area.

Chair of the firm’s Natural Resources Department and the American Indian Law & Policy Group. Represents tribal nations, those doing business with tribes and western water districts. Proven ability to resolve natural resource and water disputes before Congress and the Department of the Interior. Ryan Smith represents tribes, water districts and corporations before Congress, the Department of the Interior and the courts on tribal issues and Western natural resource issues. He has sign...

Kevin F.X. DeTurris is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Real Estate. Kevin F.X., who practices law in Fairfax, Virginia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kevin F.X. is held by other top lawyers in the same geographic and legal practice area.

Patrick S. Menasco is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Patrick S., 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 Patrick S. is held by other top lawyers in the same geographic and legal practice area.

Ricardo Carvajal works with manufacturers and marketers of food and dietary supplements, OTC drugs, and cosmetics on a range of FDA, USDA, and FTC regulatory issues. Mr. Carvajal advises clients ranging from start-ups to multinational companies at all points in the supply chain, including bulk ingredient manufacturers, distributors of packaged goods, and retailers. He counsels clients on the regulatory status of ingredients and finished products, and provides advice on compliance with labelin...

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...

Stephen B. Shapiro focuses on the practice of construction law, public contracts and commercial litigation. Building on his experience representing contractors, public and private owners, architects, engineers and construction managers, he has developed extensive legal experience in all aspects of government and commercial contracts, construction procurement, contract administration, bid protests, claims, dispute resolution and litigation, regulatory compliance and subcontractor, supplier and...

Erika Harmon Arner is a nationally recognized leader in trial practice before the Patent Trial and Appeal Board (PTAB) and related appeals to the U.S. Court of Appeals for the Federal Circuit. She consistently ranks as one of the top three female attorneys appearing in PTAB trials and was named a PTAB Litigator of the Year by Managing Intellectual Property. She has argued and won a number of landmark cases at the PTAB and Federal Circuit for both patent challengers and patent owners. Erika&rs...

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

Laura Handman is the co-chair of the firm’s appellate practice and divides her time between the New York and D.C. offices. For thirty years, Laura has been providing pre-publication counseling and litigation services from complaint through trial and appeal to U.S. and foreign broadcasters, film studios, and book, magazine, newspaper and Internet publishers and non-profits. Laura has extensive experience in libel, newsgathering, privacy, right of publicity, reporter’s privilege and...