Antonio J. Rivera

Andrew Miller joined Baron & Budd’s Washington, D.C. office in 2018, where he focuses on bringing fraud and abuse litigation throughout the United States under such statutes as the federal False Claims Act, state False Claims Acts, the Anti-Kickback Statute and the Stark Law. A shareholder in our Washington D.C. office, Mr. Miller also represents clients with claims filed with the Whistleblower Offices of the Securities and Exchange Commission and the Internal Revenue Service. Befor...

Joseph H. Webster is a top attorney recognized by Best Lawyers in the practice area(s) of Gaming Law and Native American Law. Joseph H., 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 Joseph H. is held by other top lawyers in the same geographic and legal practice area.

C. Sei-Hee Arii is a top attorney recognized by Best Lawyers in the practice area(s) of DUI / DWI Defense. C. Sei-Hee, who practices law in Rockville, Maryland, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which C. Sei-Hee is held by other top lawyers in the same geographic and legal practice area.

Barry Boss is co-chair of Cozen O’Connor’s Criminal Defense & Internal Investigations practice group, vice chair of the Commercial Litigation Department and office managing partner of the D.C. office. Prior to joining Cozen O’Connor in April 2004, Barry was an assistant federal public defender in Washington, D.C. Barry focuses his practice on complex criminal matters, particularly involving allegations of white-collar crime in federal court. Barry has extensive jury tria...

Courtney M. Brown is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Courtney M., 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 Courtney M. is held by other top lawyers in the same geographic and legal practice area.

W. Todd Baker is an IP litigation partner in the Washington, D.C., office of Kirkland & Ellis LLP. Todd is experienced handling post-grant matters at the USPTO including all aspects of IPR proceedings at the USPTO's Patent Trial and Appeal Board (PTAB). He advises clients on issues of patentability, derivation, inventorship and priority related to post grant matters before the PTAB as a supplement or an alternative to traditional litigation-based patent validity challenges. Todd litigates...

Brian M. Buroker is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. Brian M., who practices law in Washington, District of Columbia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian M. is held by other top lawyers in the same geographic and legal practice area.

Recognized as one of The Best Lawyers in America © in the fields of commercial litigation and intellectual property, Susan Metcalfe is a veteran trial attorney who knows what it takes to get the job done for her clients both inside and outside the courtroom. With over eighteen years’ experience as a trial attorney, Susan has significant, substantive experience with an extremely broad array of litigation, including: Intellectual property (trade secrets, trademark, noncompetition agr...

Maureen E. Danker is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Maureen E., who practices law in Fairfax, Virginia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Maureen E. is held by other top lawyers in the same geographic and legal practice area.

Greg Luce handles civil and criminal litigation and regulatory matters involving the health care industry. He has represented health systems, pharmaceutical and medical device manufacturers, and other health care providers in litigation involving fraud and abuse enforcement, False Claims Act defense, and Medicare and Medicaid reimbursement. Mr. Luce focuses on the counseling and defense of health care providers, suppliers, pharmaceutical companies and physicians under state and federal fraud ...