Atty. Peter J. Guffin

Atty. Peter J. Guffin

Mr. Peter J.

Portland Portland 44 yrs experience 44 year
Call (857) 810-7304 Book Appointment

Profile Summary

About Peter J. Guffin at a glance

Peter J. Guffin is a Partner based in Portland, Maine, practicing at Pierce Atwood LLP. They have 44+ years of legal experience, licensed to practice since 1982. Their practice focuses on business, ip, health care, and internet. Admitted to practice in New York (1982), New Jersey (1984), Maine (1987), and New Hampshire (2001). Educated at University of Pennsylvania (J.D., 1981) and Rutgers College (B.A., 1978). Recognitions include BV Distinguished. Serands clients in Portland, ME and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Peter J. Guffin is a lawyer practicing business, health care, intellectual property and 5 other areas of law
  • Peter received a B.A. degree from Rutgers College in 1978, and has been licensed for 44 years
  • Peter practices at Pierce Atwood LLP in Portland, ME

Practice Areas Explained

Peter J. Guffin's Areas of Practice

Each practice area below reflects the types of cases Peter J. Guffin handles, with a brief overview of what that area of law covers.

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Peter J. Guffin is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Maine →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Peter J. Guffin is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Maine →

Health Care Law

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

Peter J. Guffin is one of 66,735 health care attorneys indexed nationally. Browse health care attorneys in Maine →

Internet & Cyber Law

Internet and cyber lawyers for data breaches, online defamation, privacy law, and cybersecurity matters.

Peter J. Guffin is one of 17,958 internet attorneys indexed nationally. Browse internet attorneys in Maine →

Jurisdictional Context

Why local counsel matters in Maine

Practicing law in Maine. Legal matters in Maine are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Portland are typically filed in the local municipal court or the appropriate Maine state district court, depending on subject matter and amount in controversy. An attorney licensed in Maine brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive 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 Peter J. Guffin

Where is Peter J. Guffin's law office located?
Peter J. Guffin's law practice is located in Portland, Maine. The firm is Pierce Atwood LLP. You can contact the office directly through this profile page.
What practice areas does Peter J. Guffin handle?
Peter J. Guffin focuses on business, ip, health care, internet. Each practice area listed reflects experience handling cases of that type in Maine.
How long has Peter J. Guffin practiced law?
Peter J. Guffin has 44+ years of legal experience and has been licensed since 1982.
Where did Peter J. Guffin go to law school?
Peter J. Guffin earned their education at (J.D., 1981); (B.A., 1978).
How can I contact Peter J. Guffin for a consultation?
You can contact Peter J. Guffin directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Peter J. Guffin received?
Peter J. Guffin's notable recognition includes: BV Distinguished.

Education

J.D.
University of Pennsylvania
- 1981
B.A.
Rutgers College
- 1978

Awards

BV Distinguished

Bar Admissions

New York
Admitted: 1982
New Jersey
Admitted: 1984
Maine
Admitted: 1987
New Hampshire
Admitted: 2001
Massachusetts
Admitted: 2001

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