Jonathan A. "Jon" Block

Jonathan A. "Jon" Block


Pierce Atwood LLP

Recognized since 2005

Portland, Maine

Practice Areas

Litigation and Controversy - Tax

Tax Law

Lawyer of the Year Badge - 2022 - Tax Law Lawyer of the Year Badge - 2015 - Tax Law
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Jon Block represents and advises clients with Maine, New Hampshire, and Massachusetts tax problems. Jon litigates tax cases at the administrative level and through all levels of the court system, advises clients on transactional and multistate tax issues, obtains advance rulings for clients, and does a substantial amount of legislative and government relations work in the tax area.

Jon's substantive expertise in state and local tax encompasses corporate and individual income tax, business profits tax, sales and use tax, property tax, excise tax, transfer tax, and other state and local taxes. Jon also advises expanding and relocating companies on taking maximum advantage of available tax and economic development incentives. Jon's client base includes large, medium and small businesses as well as individuals.

Contact & Links
Location
  • Merrill's Wharf
    254 Commercial Street
    Portland, ME 04101
Education
  • Boston University School of Law, L.L.M., Taxation, graduated 2000
  • University of Maine, J.D., magna cum laude, graduated 1992
  • University of Pennsylvania, B.A., cum laude, graduated 1985
Bar Admissions
  • United States, Maine
  • United States, Massachusetts
  • United States, New Hampshire
Affiliations
  • Finance Authority of Maine - Board member
  • New England State and Local Tax Forum - Member, Board of Advisors
Court Admissions
  • U.S. District Court for the District of Maine
  • U.S. District Court for the District of New Hampshire
  • U.S. Tax Court

Pierce Atwood LLP
Headquarters: Portland, Maine

64 The Best Lawyers in America® awards

14 Best Lawyers: Ones to Watch® in America awards

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Lawyer of the Year Badge - 2022 - Tax Law Lawyer of the Year Badge - 2015 - Tax Law
Named "Lawyer of the Year" by Best Lawyers® for:
  • Tax Law, Portland, ME (2022)
  • Tax Law, Portland, ME (2015)
Recognized in The Best Lawyers in America® 2025 for work in:
  • Litigation and Controversy - Tax
  • Tax Law
Awards:
  • The Best Lawyers in America® “Lawyer of the Year” in Maine for Tax Law (2022)
  • Recognized by The Best Lawyers in America® for Tax Law since 2005
  • Rated AV® Preeminent™ by Martindale-Hubbell and is a recognized leader in his field.

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Publications

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