David M. Longo Ph.D.

Jeffrey N. Gibbs joined Hyman, Phelps & McNamara in 1990. Over the course of his career, he has developed an extensive knowledge of FDA law, from product approvals to advertising and promotion, and enforcement actions. In recent years, Mr. Gibbs has focused primarily on advising medical device and IVD companies, as well as pharmacies. Based on his extensive experience working with the industry on FDA issues, and previously for FDA, he provides efficient and insightful guidance. He has wor...

Barak Cohen is a lawyer recognized by Best Lawyers in the practice area of Criminal Defense: White-Collar. Barak practices law in Washington, District of Columbia Best Lawyers has recognized Barak Cohen since 2020. 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 Barak Cohen is held by other lawyers.

John J. Heitmann is a lawyer recognized by Best Lawyers in the practice area of Communications Law. John J. practices law in Washington, District of Columbia Best Lawyers has recognized John J. Heitmann since 2016. 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 John J. Heitmann is held by other lawyers.

Courtney M. Brown is a lawyer recognized by Best Lawyers in the practice area of Criminal Defense: White-Collar. Courtney M. practices law in Washington, District of Columbia Best Lawyers has recognized Courtney M. Brown since 2023. 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 Courtney M. Brown is held by other lawyers.

Jeff represents every regulatory and transactional concern of equipment manufacturers and government contractors, as well as wireless, video and data providers, and end-users. He represents equipment manufacturers with respect to all applicable FCC regulations, including those governing importation, emissions compliance, equipment authorization/labeling, and marketing. Jeff has extensive experience in matters relating to experimental licensing for military, homeland security and other high-te...

Marc S. Lampkin is a lawyer recognized by Best Lawyers in the practice area of Government Relations Practice. Marc S. practices law in Washington, District of Columbia Best Lawyers has recognized Marc S. Lampkin 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 Marc S. Lampkin is held by other lawyers.

Daniel focuses his practice in real estate law, specifically real estate financing, acquisition and disposition, and joint ventures. He has represented both landlords and tenants in the negotiation and auditing of complex office, retail, and industrial leases, and has coordinated and closed transactions in Maryland, Virginia, the District of Columbia, Georgia, Illinois, California, Texas, Oklahoma, Tennessee, Alabama, Ohio, Florida, South Carolina, Pennsylvania, and New Jersey. Daniel's finan...

Norman Armstrong, Jr. is a lawyer recognized by Best Lawyers in the practice areas of Antitrust Law and Litigation - Antitrust. Norman practices law in Washington, District of Columbia Best Lawyers has recognized Norman Armstrong, Jr. since 2023. 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 Norman Armstrong, Jr. is held by other lawyers.

Jim Cannon focuses his practice on diverse international trade matters including antidumping and countervailing duty cases, market access proceedings, export controls and various customs matters. Mr. Cannon assists clients to address import competition, in open foreign markets for their exports or obtain tariff concessions. He regularly appears before the U.S. Court of Appeals for the Federal Circuit, the Court of International Trade, the U.S. International Trade Commission, the Department of...

Having practiced energy law for over twenty-nine years, Wendy has been consistently recognized by Chambers USA as a leader in the field, describing her as “almost superhuman when it comes to managing a diverse group into a consistent regulatory position” in their 2010 rankings. In 2021, Chambers noted, “Wendy provides wise guidance on how best to address legal requirements in a manner that is both convincing and understandable” and also commended her “great leade...