Gerson A. Zweifach

Michael D. Hausfeld is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Litigation - Antitrust. Michael D., 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 Michael D. is held by other top lawyers in the same geographic and legal practice area.

Kurt R. Karst provides regulatory counsel to pharmaceutical manufacturers on Hatch-Waxman patent and exclusivity, drug development, pediatric testing, and orphan drugs. He helps clients develop strategies for product lifecycle management, obtaining approval, managing post-marketing issues, and defining periods of exclusivity. As the co-founder and primary author of Hyman, Phelps & McNamara's FDA Law Blog , Mr. Karst often leads the response to new rules and regulations, sharing his interp...

Brad M. Dashoff is an attorney in the firm’s Real Estate and Corporate/Business practice groups. He works diligently to create practical solutions that transform his clients’ visions into tangible results on projects in Maryland, Virginia, and Washington, D.C., as well as throughout the United States. He provides practical and insightful guidance on a wide range of real estate issues. Brad counsels developers, investors, families, private equity funds and non-traditional property ...

Ann Luu is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Ann, who practices law in Fairfax, Virginia, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ann is held by other top lawyers in the same geographic and legal practice area.

Timothy Bass is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Timothy, 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 Timothy is held by other top lawyers in the same geographic and legal practice area.

Vernon S. Lynch III is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Vernon S., who practices law in Bethesda, Maryland, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Vernon S. is held by other top lawyers in the same geographic and legal practice area.

Began the practice of law at the Federal Power Commission in 1974. Joined Sidley & Austin (now Sidley Austin LLP) in 1977, elected to partnership in 1981. Co-head of Energy practice, 2006- present

Kirk Niemi is an experienced construction industry attorney who focuses his practice on construction litigation, government contracts, surety, and associated contract issues. He represents owners, general contractors, subcontractors, sureties and government agencies including highway departments and municipalities. He has extensive experience in complex matters before courts, arbitrators and mediators regarding various construction issues including mechanics' liens, acceleration claims, chang...

Nancy P. Regelin uses her skills as a strategic thinker, communicator, and manager to implement the vision of land owners, developers, and creative consultants to create great places for us to live, work and play. One of her true strengths lies in the trust and relationships she builds with elected officials, staff, community leaders, professional consultants, and other attorneys that she can draw upon to creatively solve problems. In a recent assignment, Nancy was selected as outside local z...

Maury Baskin focuses his Washington, DC-based practice on national labor policy, challenging excessive government regulation on behalf of small and large businesses, while advising employers in compliance issues. He has extensive experience in dealing with labor relations and union pressure tactics, employment discrimination and wage and hour law. He has represented a variety of industry sectors, advising clients involved in construction, government contracting, higher education, telecommunic...