J. Mark "Mark" Gidley

Shirley Steinbach represents companies and individuals seeking to resolve a myriad of business and personal disputes through litigation, arbitration, mediation and settlement. She counsels clients to help them make sound strategic business and legal decisions. One client has said that “what most impresses me about Shirley is her professional demeanor and temperament. Lawyers who are all ‘fire and brimstone I-was-born-a-pitbull-and-will-fight-for-you (for an appropriate fee!)&rsquo...

Jeffrey A. D. Cohen is a lawyer recognized by Best Lawyers in the practice area of Corporate Law. Jeffrey A. D. practices law in McLean, Virginia Best Lawyers has recognized Jeffrey A. D. Cohen since 2015. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jeffrey A. D. Cohen is held by other lawyers.

Leon B. Greenfield has an exceptionally wide breadth of experience representing clients in complex antitrust-related matters. He has represented clients in cutting edge Section 2 litigation and agency matters. He has secured antitrust clearance for major acquisitions, litigated cases in federal and state court and counseled clients on many types of antitrust issues. Mr. Greenfield also has broad experience in matters outside the antitrust area, including securities regulatory matters and liti...

With nearly two decades of experience in government and private practice, Matthew Kulkin is well positioned to help financial market clients navigate complex legislative, regulatory, compliance and enforcement issues. Mr. Kulkin joined the firm in 2022 from another international law firm where he co-chaired its financial services practice group. Before that, he served as the Director of the US Commodity Futures Trading Commission's Division of Swap Dealer and Intermediary Oversight.

Life sciences and FDA-regulated companies rely on Brendan Carroll to understand their business, tackle nuanced regulatory issues, and provide practical solutions to meet their business needs as they navigate complex and highly technical FDA laws and regulations. He represents a variety of industry stakeholders engaged in the design and development, manufacture, sale, and distribution of a wide range of FDA-regulated products. General counsel come to Brendan to help them find practical solutio...

Adam Hoffinger's litigation and trial practice focuses on complex civil and white‑collar criminal matters, including securities, health care, Foreign Corrupt Practices Act, False Claims Act, export controls, money laundering, antitrust, and bankruptcy. He counsels corporations and individuals in compliance matters, internal investigations, and Congressional and regulatory matters. He also represents corporations and individuals in high stakes civil litigation. Mr. Hoffinger has defended numer...

David is the managing partner of the Washington, D.C. office, as well as the co-leader of the Investment Management Group. Prior to joining Sullivan & Worcester, David was Special Counsel in the Washington, D.C. office of Gibson, Dunn & Crutcher. He previously served as Assistant General Counsel for Legislation and Investment Company and Adviser Regulation at the Securities and Exchange Commission and as Counsel to SEC Commissioner Aulana Peters.

Paul Devinsky advises clients on patent, trademark and trademark litigation and counseling, as well as copyright counseling. He is also active in intellectual property (IP) licensing, transactions and due diligence, as well as post-issuance US Patent and Trademark Office (USPTO) proceedings such as reissues and inter partes review, covered business method patent review and post grant review, and appellate (Federal Circuit) advocacy. Read full biography: https://www.mwe.com/people/devinsky-paul/

Scott D. Museles is a lawyer recognized by Best Lawyers in the practice areas of Business Organizations (including LLCs and Partnerships) and Corporate Law. Scott D. practices law in Potomac, Maryland Best Lawyers has recognized Scott D. Museles since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Scott D. Museles is held by other lawyers.

Jeffrey A. Lamken is a lawyer recognized by Best Lawyers in the practice areas of Appellate Practice, Bet-the-Company Litigation and Commercial Litigation. Jeffrey A. practices law in Washington, District of Columbia Best Lawyers has recognized Jeffrey A. Lamken since 2006. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jeffrey A. Lamken is held by other l...