Philip S. Olsen


Philip Olsen focuses his practice on state and local tax consulting and litigation. Philip has more than 20 years of experience litigating or resolving major tax controversies before administrative boards, superior courts, bankruptcy court, state appeals courts, and state supreme courts. Philip has represented municipalities and property owners in property tax appeals, and also has experience in unclaimed property consulting and audit defense.

Prior to joining Pierce Atwood, Philip was a partner at Burns & Levinson LLP, and before that, a partner with McCarter English. He was also a senior trial attorney and litigation supervisor for the Massachusetts Department of Revenue before the Appellate Tax Board, the Superior court, the U.S. Bankruptcy Court, the Appeals Court, and Supreme Judicial Court.



Suffolk University Law School, J.D., (1982)

Stonehill College, B.A., Political Science, (1979)

Bar Admissions


New York

United States District Court for the District of Massachusetts

125 Years