Jeffrey B. Sienkiewicz

Of Counsel

Jeff has been practicing law since 1972. He has represented a wide range of institutional, municipal, small business and individual clients and consequently has experience over a broad range of legal disciplines. Most recently he has guided the Town of Sherman through the interim management and lease of the Happy Acres Farm and the resolution of the construction and contract claims relating to the Sherman Firehouse. He currently represents the Town of Kent with respect to the Schaghticoke Indians and has successfully defended against their federal acknowledgment and land claims before the Bureau of Indian Affairs and in Federal court. He continues to serve as Town Attorney for the Town of Sherman and as counsel to the Brookfield Water Pollution Control Authority and the Kent Sewer Commission. For the small business or individual client, Jeff has experience in land use matters, contracting, commercial and residential land transactions, construction claims, administrative matters, personal injury, product liability, malpractice as well as more general litigation.

Bar Admissions:

Connecticut, 1972

United States District Court, Connecticut, 1973

United States Court of Appeals, Second Circuit, 1983


Johns Hopkins University, B.A., 1969

Syracuse University College of Law, J.D., 1972


Town Attorney, Town of Warren (1976-1981)

Town Attorney, Town of New Milford (1978-1987, 1989-1992)

Town Attorney, Town of Kent (1989-2009)

Town Attorney, Town of Sherman (2004 - present)

Recognized for excellence, The Best Lawyers in America, 1989-1990 and 1991-1992, Personal Injury Defense

Significant Cases:

Bauer v. Waste Management, Inc., 234 Conn. 221 (1995) and 239 Conn. 515 (1996) Zoning - closure of New Milford landfill and recovery of $43.1 million settlement from landfill operator.

Schaghticoke Tribal Nation v. Kempthorne, 587 F. Supp.2d 389, aff'd 587 F.3d 132 (2009). BIA decision to deny federal recognition affirmed. Case included allegations of undue political interference.

United States v. 43.47 Acres of Land, 896 F. Supp.2d 151, aff'd 12/15/2014: Concept of primary jurisdiction controls Indian status in Non-intercourse Act land claim.

In re Scheller, 265 B.R. 39 (2001). Extensively cited bankruptcy case concerning debts arising from fraud, embezzlement, breach of fiduciary duty and related malfeasance.

Griffin Hospital v. Commission on Hospitals and Health Care, 200 Conn. 489 (1986): Regulatory and Medicare preemption issues in Connecticut's scheme of hospital budget regulation.

Town of New Milford v. SCA of Connecticut, Inc., 174 Conn 146 (1977): challenge to constitutionality of state statute regulating waste disposal sustained.

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