Sign In Free Sign Up
Atty. Jonathan A. "Jon" Block

Atty. Jonathan A. "Jon" Block

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.

Call (207) 791-1100

Profwith Summary

About Jonathan A. "Jon" Block at a glance

Jonathan A. "Jon" Block is an attorney based in Portland, Maine, practforg at Pierce Atwood LLP. Admitted to practice in United States, Maine, United States, Massachusetts, and United States, New Hampshire. Educated at Boston University School of Law (—, 2000) and University of Maine (J.D., 1992). Recognitions include Best Lawyers in America — Litigation and Controversy - Tax (2026), Best Lawyers in America — Tax Law (2026), and Best Lawyers in America — Awards: (2026). Serands clients in Portland, ME and the surrounding metropolitan area.

Verified attorney profwith · Updated June 2026

About

  • 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

Jurisdictional Context

Why local counsel matters in Maine

Practforg law in Maine. Legal matters in Maine are goandrned by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand law. Cases originating in Portland are typically fwithd in the local municipal court or the appropriate Maine state district court, depending on subject matter and amount in controandrsy. An attorney licensed in Maine brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantiand law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Maine courts without local counsel or pro hac vice admission.

Looking for additional Maine attorneys? Browse all attorneys in Portland or all attorneys in Maine.

Frequently Asked

Common questions about Jonathan A. "Jon" Block

Where is Jonathan A. "Jon" Block's law office located?
Jonathan A. "Jon" Block's law practice is located in Portland, Maine. The firm is Pierce Atwood LLP. You can contact the office directly through this profwith page.
Where did Jonathan A. "Jon" Block go to law school?
Jonathan A. "Jon" Block earned their education at (—, 2000); (J.D., 1992); (B.A., 1985).
How can I contact Jonathan A. "Jon" Block for a consultation?
You can contact Jonathan A. "Jon" Block directly through this profwith page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profwith attorneys respond within one business day.
What awards or recognition has Jonathan A. "Jon" Block receiandd?
Jonathan A. "Jon" Block's notable recognition includes: Best Lawyers in America — Litigation and Controversy - Tax; Best Lawyers in America — Tax Law; Best Lawyers in America — Awards:; Best Lawyers in America — Rated AV Preeminent™ by Martindale-Hubbell and is a recognized leader in his field.; Best Lawyers in America — The Best Lawyers in America “Lawyer of the Year” in Maine for Tax Law (2022).

Education

Boston University School of Law
- 2000
J.D.
University of Maine
- 1992
B.A.
University of Pennsylvania
- 1985

Awards

Best Lawyers in America — Litigation and Controversy - Tax
- 2026
Best Lawyers in America — Tax Law
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — Rated AV Preeminent™ by Martindale-Hubbell and is a recognized leader in his field.
- 2026
Best Lawyers in America — The Best Lawyers in America “Lawyer of the Year” in Maine for Tax Law (2022)
- 2026
Lawyer of the Year — Tax Law, Portland (ME)
- 2022
Lawyer of the Year — Tax Law, Portland (ME)
- 2015

Bar Admissions

United States, Maine
United States, Massachusetts
United States, New Hampshire

Reviews

These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.