Atty. Jeffrey B. Sienkiewicz

Atty. Jeffrey B. Sienkiewicz

Jeffrey B. Sienkiewicz is a lawyer practicing municipal law, personal injury, medical malpractice and 3 other areas of law.

New Milford New Milford 54 yrs experience 54 year
Call (475) 263-4112 Book Appointment

Profile Summary

About Jeffrey B. Sienkiewicz at a glance

Jeffrey B. Sienkiewicz is a Member based in New Milford, Connecticut, practicing at Sienkiewicz & McKenna, P.C.. They have 54+ years of legal experience, licensed to practice since 1972. Their practice focuses on medical malpractice, personal injury, zoning, product liability, and litigation. Admitted to practice in Connecticut (1972), U.S. District Court, District of Connecticut (1975), and U.S. Court of Appeals, Second Circuit (1985). Educated at Syracuse University (J.D., 1972) and Johns Hopkins University (B.A., 1969). Recognitions include BV Distinguished. Active member of Connecticut Bar Association Connecticut Trial Lawyers Association The Association of Trial Lawyers of America Connecticut Association of Municipal Attorneys. Serands clients in New Milford, CT and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Jeffrey B. Sienkiewicz is a lawyer practicing municipal law, personal injury, medical malpractice and 3 other areas of law
  • Jeffrey B. received a B.A. degree from Johns Hopkins University in 1969, and has been licensed for 54 years
  • Jeffrey B. practices at Sienkiewicz & McKenna, P.C. in New Milford, CT

Practice Areas Explained

Jeffrey B. Sienkiewicz's Areas of Practice

Each practice area below reflects the types of cases Jeffrey B. Sienkiewicz handles, with a brief overview of what that area of law covers.

Medical Malpractice

Medical malpractice lawyers represent patients harmed by negligent doctors, hospitals, and other providers. Free case review, no fee unless you win.

Jeffrey B. Sienkiewicz is one of 49,086 medical malpractice attorneys indexed nationally. Browse medical malpractice attorneys in Connecticut →

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Jeffrey B. Sienkiewicz is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Connecticut →

Land Use & Zoning

Jeffrey B. Sienkiewicz is one of 40,226 zoning attorneys indexed nationally. Browse zoning attorneys in Connecticut →

Product Liability

Jeffrey B. Sienkiewicz is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in Connecticut →

Civil Litigation

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

Jeffrey B. Sienkiewicz is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Connecticut →

Jurisdictional Context

Why local counsel matters in Connecticut

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

Looking for additional Connecticut attorneys? Browse all attorneys in New Milford or all attorneys in Connecticut.

Frequently Asked

Common questions about Jeffrey B. Sienkiewicz

Where is Jeffrey B. Sienkiewicz's law office located?
Jeffrey B. Sienkiewicz's law practice is located in New Milford, Connecticut. The firm is Sienkiewicz & McKenna, P.C.. You can contact the office directly through this profile page.
What practice areas does Jeffrey B. Sienkiewicz handle?
Jeffrey B. Sienkiewicz focuses on medical malpractice, personal injury, zoning, product liability, litigation. Each practice area listed reflects experience handling cases of that type in Connecticut.
How long has Jeffrey B. Sienkiewicz practiced law?
Jeffrey B. Sienkiewicz has 54+ years of legal experience and has been licensed since 1972.
Where did Jeffrey B. Sienkiewicz go to law school?
Jeffrey B. Sienkiewicz earned their education at (J.D., 1972); (B.A., 1969).
How can I contact Jeffrey B. Sienkiewicz for a consultation?
You can contact Jeffrey B. Sienkiewicz 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 Jeffrey B. Sienkiewicz received?
Jeffrey B. Sienkiewicz's notable recognition includes: BV Distinguished.

Education

J.D.
Syracuse University
- 1972
B.A.
Johns Hopkins University
- 1969

Awards

BV Distinguished

Bar Admissions

Connecticut
Admitted: 1972
U.S. District Court, District of Connecticut
Admitted: 1975
U.S. Court of Appeals, Second Circuit
Admitted: 1985

Reviews

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