Paul Walkinshaw

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...

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 ...

Christopher Cole is a nationally-recognized litigator who offers strategic counsel to some of the world’s leading companies on protecting their technology and brands from attack by competitors, regulators and private consumer class action claimants. With a practice that covers a wide range of industries and sectors, Chris brings a practical, creative and individualized approach in advising clients on how to navigate advertising, unfair competition, brand disparagement, reputation and in...

Venroy July differentiates his practice through his recognition of the interplay of business and legal considerations in the current economic climate, thereby positioning himself to effectively work with clients to develop the appropriate strategies to accomplish their business goals. Venroy’s diverse practice and experience has seen him advise clients operating in the government contracting, transportation, cybersecurity, banking and technology industries on an array of matters includi...

Clients depend on Mike's congressional and administration experience, serving as health policy counsel to the Senate Committee on Finance and in several roles in the Department of Health and Human Services, for representation on both legislative and regulatory matters. His direct work with policymakers enables him to meet the legislative and regulatory needs of his clients. Michael served as health policy counsel to Senator Charles Grassley (R-IA), Chairman of the Senate Committee on Finance,...

Mark W. Schweighofer is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships) and Tax Law. Mark W., who practices law in Rockville, Maryland, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark W. is held by other top lawyers in the same geographic and legal practice area.

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

John T. Bergin is a top attorney recognized by Best Lawyers in the practice area(s) of Mediation. John T., 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 John T. is held by other top lawyers in the same geographic and legal practice area.

Diara M. Holmes serves as co-chair of the firm's Tax-Exempt Organizations Practice. She counsels tax-exempt organizations, including large public charities; colleges, universities and other higher education organizations; foreign charities and their U.S. affiliates; associations; government instrumentalities; social welfare organizations; and religious organizations on a broad range of tax compliance and governance issues. She advises nonprofit and for-profit organizations on structuring a va...

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...