Margaret A. "Peggy" Little

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

Edward Boling is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law. Edward, 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 Edward is held by other top lawyers in the same geographic and legal practice area.

Patrick W. Pearsall is a top attorney recognized by Best Lawyers in the practice area(s) of International Arbitration - Commercial and International Arbitration - Governmental. Patrick W., 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 Patrick W. is held by other top lawyers in the same geographic and legal practice area.

Siran is a partner in the firm’s State Attorneys General and Enforcement Actions & Investigations practices. As such, she advises clients on a wide variety of state and federal regulatory matters, with a special emphasis on state consumer protection laws, including matters involving consumer financial services, data security, advertising and marketing. A former Senior Assistant Attorney General, Siran uses expertise gained in public service to resolve issues with state investigators...

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...

Christopher B. Mead is a top attorney recognized by Best Lawyers in the practice area(s) of Bet-the-Company Litigation, Commercial Litigation and Criminal Defense: White-Collar. Christopher B., who practices law in Washington, District of Columbia, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher B. is held by other top lawyers in the same geographic and legal practice area.

Harry Kelly’s practice focuses on transactional and litigation aspects of housing, fair housing, reasonable accommodations, and accessible design, government contracts, financial institutions and bankruptcy law. He counsels owners of firms—particularly those active in real estate and housing—with respect to issues related to the operations of their businesses and assists them in litigation and enforcement matters. He also advises government contracts clients on transactional...

Patrick J. Potter is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Patrick J., who practices law in Washington, District of Columbia, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patrick J. is held by other top lawyers in the same geographic and legal practice area.

Bill Christiansen specializes in biotechnology patent matters, with particular emphasis on U.S. and international patent procurement, strategic management of patent portfolios, investment due diligence, early stage company counseling and competitive patent position analysis. He received his B.S. in Biochemistry and Biophysics (with honors) from Oregon State University (1991). After obtaining a Ph.D. in Biochemistry/ Biophysics/Molecular Biology from the University of Notre Dame (1995), for wh...

Louis Cohen is a senior counsel in the firm's Litigation/Controversy Department, and a member of the Appellate and Supreme Court Litigation Practice Group. He joined the firm in 1967. Mr. Cohen served as Deputy Solicitor General of the United States from 1986-1988, and focuses on US Supreme Court and other appellate litigation and corporations law. Mr. Cohen’s appellate practice has included more than fifty cases on the merits in the US Supreme Court and a large number of cases in the c...