Karen L. McKenna

John Butts is Chair of the Firm’s Commercial Litigation Group. He has prevailed in trials and arbitrations across the country for a wide range of clients in high stakes commercial disputes. John represents clients in a broad range of matters, including complex contract disputes, business torts, trade secrets cases, consumer matters, and class actions. His work has spanned a number of industries, including the automotive industry, financial services, real estate, and biotechnology.

Michael R. Brown is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Product Liability Litigation - Defendants. Michael R., who practices law in Boston, Massachusetts, has been recognized since 1989. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael R. is held by other top lawyers in the same geographic and legal practice area.

Peter I. Dunn is a top attorney recognized by Best Lawyers in the practice area(s) of Closely Held Companies and Family Businesses Law and Mergers and Acquisitions Law. Peter I., who practices law in Boston, Massachusetts, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter I. is held by other top lawyers in the same geographic and legal practice area.

Brad Bedingfield is a top attorney recognized by Best Lawyers in the practice area(s) of Nonprofit / Charities Law and Trusts and Estates. Brad, who practices law in Boston, Massachusetts, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brad is held by other top lawyers in the same geographic and legal practice area.

Mr. Kajko is an experienced trial attorney who concentrates his practice in the litigation of complex domestic relations, custody, civil and criminal cases in all trial courts of the Commonwealth including the Probate and Family Court, Superior Court and District Court. He has handled divorce cases with marital estates valued over seventy million dollars. Mr. Kajko also represents clients in the negotiation and drafting of prenuptial and post-nuptial agreements. He represents business executi...

Patrick J. Concannon is a top attorney recognized by Best Lawyers in the practice area(s) of Trademark Law. Patrick J., who practices law in Boston, Massachusetts, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patrick J. is held by other top lawyers in the same geographic and legal practice area.

Lisa A.H. McChesney is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Lisa A.H., who practices law in Boston, Massachusetts, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lisa A.H. is held by other top lawyers in the same geographic and legal practice area.

Donald W. Parker is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Donald W., who practices law in Waltham, Massachusetts, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Donald W. is held by other top lawyers in the same geographic and legal practice area.

Jay Rosenbaum is a partner in Nixon Peabody's Private Clients group and the leader of the firm’s International Private Clients team. Jay represents high net worth individuals and families both in the US and around the globe. What do you focus on? Individuals and families are at the core of my practice, with a strong focus on international families. I also serve domestic high net worth families and have special experience integrating estate and business planning. International Private Cl...

David S. Rubin is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. David S., who practices law in Boston, Massachusetts, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David S. is held by other top lawyers in the same geographic and legal practice area.