Prominent Former Massachusetts Department of Revenue Attorney Joins Morrison & Foerster's State and Local Tax Group

Philip Olsen brings to the firm more than 25 years of expertise in litigating and resolving major tax controversies in Massachusetts


Philip S. Olsen

State + Local Tax

Press Release

BOSTON (August 16, 2017) – Morrison & Foerster, a leading global law firm, announced today that Philip Olsen has joined the firm’s State + Local Tax (SALT) practice and will be based out of Boston’s Back Bay neighborhood. His arrival at Morrison & Foerster means that the firm has now expanded its SALT practice to Boston. Mr. Olsen joins Morrison & Foerster after having been in private practice for many years, and also having previously served as a senior trial attorney and litigation supervisor for the Massachusetts Department of Revenue.

Mr. Olsen’s practice is focused on state and local tax litigation and counseling. He has worked extensively on matters involving Massachusetts taxes including corporate excise (both the income and non-income measures), sales and use, and personal income, as well as property tax for municipalities and property owners, and on unclaimed property counseling and audit defense. Mr. Olsen has more than 25 years of experience in major tax cases before administrative boards, superior courts, state appeals courts, bankruptcy courts, and state supreme courts.

“I’m delighted that our clients will have the opportunity to benefit from Phil’s expert counsel on all Massachusetts taxes including property taxes,” said Craig Fields, co-chair of the firm’s Tax Department and chair of the firm’s State + Local Tax practice. “Phil is a highly respected tax attorney in Massachusetts and further strengthens our outstanding group of talented state and local tax lawyers.”

Morrison & Foerster was the first large law firm in the country to build a SALT practice and the first to extend its practice to represent clients in states throughout the country. The firm’s nationally recognized state and local tax lawyers focus on litigation, planning, and consulting for clients on a variety of tax issues, including corporate franchise and income, sales and use, personal income, real and personal property, local business license, gross receipts, transfer, severance, and other areas, including unclaimed property. The firm regularly advises clients on the state and local tax implications of corporate transactions and reorganizations, including multistate analyses of mergers and acquisitions.

“I’ve had the opportunity to work with many of the lawyers at MoFo throughout my career in both government and private practice,” Mr. Olsen said. “I have a tremendous amount of respect for the firm and am excited to join its state and local tax group, which delivers unparalleled expertise on complex tax matters.”

As a sought-after speaker on Massachusetts state and local tax issues, Mr. Olsen has addressed a variety of organizations throughout his career including the Council on State Taxation, Tax Executive Institute, the Massachusetts Bar Association, and the Massachusetts Society of Public Accountants. He is admitted to practice law in Massachusetts.

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