Atty. Michael K. Mattchen

Atty. Michael K. Mattchen

Michael K. Mattchen is a lawyer practicing civil litigation, appeals, patent litigation and 4 other areas of law.

Boston Boston 52 yrs experience 52 year
Call (857) 416-2876 Book Appointment

Profile Summary

About Michael K. Mattchen at a glance

Michael K. Mattchen is a Member based in Boston, Massachusetts, practicing at Dangel and Mattchen, LLP. They have 52+ years of legal experience, licensed to practice since 1974. Their practice focuses on patent, ip, class action, litigation, and appellate. Admitted to practice in Massachusetts (1974), U.S. District Court, District of Massachusetts (1978), U.S. Tax Court (1980), and U.S. Court of Appeals, Ninth Circuit (1985). Educated at Boston College (J.D., 1974) and University of Illinois (A.B., 1971). Active member of Massachusetts Bar Association. Serands clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Michael K. Mattchen is a lawyer practicing civil litigation, appeals, patent litigation and 4 other areas of law
  • Michael received a A.B. degree from University of Illinois in 1971, and has been licensed for 52 years
  • Michael practices at Dangel and Mattchen, LLP in Boston, MA

Practice Areas Explained

Michael K. Mattchen's Areas of Practice

Each practice area below reflects the types of cases Michael K. Mattchen handles, with a brief overview of what that area of law covers.

Patent Law

Michael K. Mattchen is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Massachusetts →

Intellectual Property

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

Michael K. Mattchen is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Massachusetts →

Class Action

Michael K. Mattchen is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in Massachusetts →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Michael K. Mattchen is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Massachusetts →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

Michael K. Mattchen is one of 86,319 appellate attorneys indexed nationally. Browse appellate attorneys in Massachusetts →

Jurisdictional Context

Why local counsel matters in Massachusetts

Practicing law in Massachusetts. Legal matters in Massachusetts are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Boston are typically filed in the local municipal court or the appropriate Massachusetts state district court, depending on subject matter and amount in controversy. An attorney licensed in Massachusetts 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 Massachusetts courts without local counsel or pro hac vice admission.

Looking for additional Massachusetts attorneys? Browse all attorneys in Boston or all attorneys in Massachusetts.

Frequently Asked

Common questions about Michael K. Mattchen

Where is Michael K. Mattchen's law office located?
Michael K. Mattchen's law practice is located in Boston, Massachusetts. The firm is Dangel and Mattchen, LLP. You can contact the office directly through this profile page.
What practice areas does Michael K. Mattchen handle?
Michael K. Mattchen focuses on patent, ip, class action, litigation, appellate. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has Michael K. Mattchen practiced law?
Michael K. Mattchen has 52+ years of legal experience and has been licensed since 1974.
Where did Michael K. Mattchen go to law school?
Michael K. Mattchen earned their education at (J.D., 1974); (A.B., 1971).
How can I contact Michael K. Mattchen for a consultation?
You can contact Michael K. Mattchen 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.

Education

J.D.
Boston College
- 1974
A.B.
University of Illinois
- 1971

Bar Admissions

Massachusetts
Admitted: 1974
U.S. District Court, District of Massachusetts
Admitted: 1978
U.S. Tax Court
Admitted: 1980
U.S. Court of Appeals, Ninth Circuit
Admitted: 1985
U.S. Supreme Court
Admitted: 1990
Court of International Trade
Admitted: 1998

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