John A. Merrigan

James V. Cole is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. James V., who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James V. is held by other top lawyers in the same geographic and legal practice area.

Rick Fischer’s practice focuses on retail financial services, privacy, and data security. For over 40 years, he has advised banks, retailers, insurers, technology and other companies throughout the United States on the full range of financial services and payment system issues. His practice has a special emphasis on privacy, data security, e-commerce, technology, and financial services joint ventures, as well as compliance and enforcement matters involving the Consumer Financial Protect...

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...

Carmine R. Zarlenga is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law. Carmine R., who practices law in Washington, District of Columbia, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carmine R. is held by other top lawyers in the same geographic and legal practice area.

Michael Whalen is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Michael, who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael is held by other top lawyers in the same geographic and legal practice area.

Conflict is at the core of many divorces and can produce volatile emotions. Divorcing clients appreciate the combination of strength and compassion Katherine brings to her cases, especially when substance abuse, mental illness, domestic violence or contested child custody issues are involved. Katherine firmly believes in putting the children first in every divorce situation and in trying to reduce conflict between divorcing parents. A skilled problem-solver, Katherine acts decisively on behal...

Peter L. Tracey is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Peter L., who practices law in Washington, District of Columbia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter L. is held by other top lawyers in the same geographic and legal practice area.

In addition to being one of approximately 500 Certified Elder Law Attorneys in the Country, Evan is also one of fewer than 100 member of the Council of Advanced Practitioners, selected for this honor by his fellow practitioners who are members of the National Academy of Elder Law Attorneys. A 4-time Best-Selling Author in the field of Elder Law and the Estate Planning and Elder Law monthly columnist for The Practical Lawyer, Evan received his undergraduate degree in Psychology from the Univer...

David D. Rines is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law. David D., who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David D. is held by other top lawyers in the same geographic and legal practice area.

Joel R. Grosberg is co-head of McDermott’s Antitrust Mergers Focus Group and assists clients on civil and criminal antitrust matters, including obtaining merger clearances, counseling and litigation. He has represented clients in obtaining antitrust approvals in numerous challenging transactions, and in other government antitrust investigations before the Department of Justice, the Federal Trade Commission (“FTC”) and foreign competition authorities. Joel has significant exp...