Atty. Sigmund J. Roos

Atty. Sigmund J. Roos

Sigmund J. Roos is a lawyer practicing business litigation, medical disciplinary proceedings, noncompetition and 16 other areas of law.

Boston Boston 43 yrs experience 43 year
Call (857) 354-5203 Book Appointment

Profile Summary

About Sigmund J. Roos at a glance

Sigmund J. Roos is a Member based in Boston, Massachusetts, practicing at Block & Roos, LLP. They have 43+ years of legal experience, licensed to practice since 1983. Their practice focuses on business, ip, partnership disputes, creditor rights, and litigation. Admitted to practice in Massachusetts (1983), U.S. District Court, District of Massachusetts, U.S. District Court, Southern District of Texas and (1984), and U.S. District Court, Northern District of Texas (1986). Educated at Northeastern University (J.D., 1983) and Hampshire College (B.A. Brown, 1977). Recognitions include AV Preeminent. Active member of Boston and Massachusetts Bar Associations Volunteer Lawyers for the Arts, Inc and Trustee, Northeast Region, 1994—, (Trustee, 1990-1994) American Foundation for Suicide Prevention. Serands clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Sigmund J. Roos is a lawyer practicing business litigation, medical disciplinary proceedings, noncompetition and 16 other areas of law
  • Sigmund received a B.A. degree from Hampshire College in 1977, and has been licensed for 43 years
  • Sigmund practices at Block & Roos, LLP in Boston, MA

Practice Areas Explained

Sigmund J. Roos's Areas of Practice

Each practice area below reflects the types of cases Sigmund J. Roos 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.

Sigmund J. Roos is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Massachusetts →

Intellectual Property

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

Sigmund J. Roos is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Massachusetts →

Partnership & Shareholder Disputes

Sigmund J. Roos is one of 1,569 partnership disputes attorneys indexed nationally. Browse partnership disputes attorneys in Massachusetts →

Creditor Rights & Collections

Sigmund J. Roos is one of 42,948 creditor rights attorneys indexed nationally. Browse creditor rights attorneys in Massachusetts →

Civil Litigation

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

Sigmund J. Roos is one of 454,532 litigation attorneys indexed nationally. Browse litigation 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 Sigmund J. Roos

Where is Sigmund J. Roos's law office located?
Sigmund J. Roos's law practice is located in Boston, Massachusetts. The firm is Block & Roos, LLP. You can contact the office directly through this profile page.
What practice areas does Sigmund J. Roos handle?
Sigmund J. Roos focuses on business, ip, partnership disputes, creditor rights, litigation. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has Sigmund J. Roos practiced law?
Sigmund J. Roos has 43+ years of legal experience and has been licensed since 1983.
Where did Sigmund J. Roos go to law school?
Sigmund J. Roos earned their education at (J.D., 1983); (B.A. Brown, 1977).
How can I contact Sigmund J. Roos for a consultation?
You can contact Sigmund J. Roos 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 Sigmund J. Roos received?
Sigmund J. Roos's notable recognition includes: AV Preeminent.

Education

J.D.
Northeastern University
- 1983
B.A. Brown
Hampshire College
- 1977

Awards

AV Preeminent

Bar Admissions

Massachusetts
Admitted: 1983
U.S. District Court, District of Massachusetts, U.S. District Court, Southern District of Texas and
Admitted: 1984
U.S. District Court, Northern District of Texas
Admitted: 1986

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