Andrew Greenfield

Leon Fresco is a lawyer recognized by Best Lawyers in the practice area of Immigration Law. Leon practices law in Washington, District of Columbia Best Lawyers has recognized Leon Fresco 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 Leon Fresco is held by other lawyers.

Mr. Atkins is the leader of Pillsbury’s Intellectual Property Litigation team. He is a trial and appellate lawyer with 20 years of experience. He is a registered patent attorney who personally handles all of his cases and has won jury verdicts on both sides of the courtroom. Recent victories include (1) getting two university co-inventors added onto two NIH cancer drug patents with annual sales of approximately $2B, (2) an infringement jury verdict for a consumer product against a major...

Matt Oppenheim is the managing partner of Oppenheim + Zebrak, LLP. Matt is a nationally recognized litigator who represents clients in a wide range of matters involving content, brands and related commercial and strategic issues. Billboard magazine has named Matt multiple times to its distinguished “Top Music Lawyers” list, which honors lawyers on the front lines of the music industry's legal battles and deals. In addition, the prestigious, independent legal rankings agency Chambe...

Gerald P. Konkel is a lawyer recognized by Best Lawyers in the practice area of Insurance Law. Gerald P. practices law in Washington, District of Columbia Best Lawyers has recognized Gerald P. Konkel since 2025. 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 Gerald P. Konkel is held by other lawyers.

Aen Walker Webster dedicates her practice to estate planning and administration. She counsels clients on estate planning matters including charitable planning and business succession planning and advises fiduciaries on the administration of estates and trusts. Aen works frequently with individuals and families to maintain family assets and family harmony across generations. Aen draws on a multi-disciplinary background and her years of counseling clients to identify and bring solutions for com...

Patricia Harris is a land use attorney at Lerch, Early & Brewer in Bethesda, Maryland. She assists developers and property owners with securing approvals needed to develop their properties, including site plans, special exceptions, subdivision approvals, historic preservation, local map amendments, zoning text amendments, master plan recommendations and building permits in Montgomery County, Maryland. Pat is knowledgeable about transit-oriented, mixed-use development and other issues rela...

Kevin P. O’Brien is a partner in the firm’s Employee Benefits and Executive Compensation practice. His practice has concentrated in employee compensation and benefits for over 30 years. Kevin is widely known as a leader in a wide variety of subjects, including innovative defined benefit plan design, flexible benefits, ERISA fiduciary matters and executive compensation. Before joining the firm, Kevin worked in the Pension and Welfare Benefits Administration at the Labor Department ...

Adam H. Greene is a lawyer recognized by Best Lawyers in the practice areas of Health Care Law and Privacy and Data Security Law. Adam H. practices law in Washington, District of Columbia Best Lawyers has recognized Adam H. Greene since 2025. 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 Adam H. Greene is held by other lawyers.

A former federal prosecutor with extensive trial and appellate experience, Greg Marshall represents companies and individuals defending government enforcement, white-collar criminal, and civil litigation matters. Greg also conducts internal investigations and advises clients on compliance issues. He has assisted clients in the financial services, healthcare, government contracting, technology, export, and education sectors. Greg has defended investigations and cases involving the False Claims...

Michael D. Hausfeld is a lawyer recognized by Best Lawyers in the practice areas of Antitrust Law and Litigation - Antitrust. Michael D. practices law in Washington, District of Columbia Best Lawyers has recognized Michael D. Hausfeld 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 Michael D. Hausfeld is held by other lawyers.