Atty. Brett Boydell Theis

Atty. Brett Boydell Theis

Brett B. Theis joined Rosenberg & Estis, P.C. in 2008 and is a Member with the firm’s Litigation Department.

New York New York 22 yrs experience 22 year
Call (332) 262-2481 Book Appointment

Profile Summary

About Brett Boydell Theis at a glance

Brett Boydell Theis is a Member based in New York, New York, practicing at Rosenberg & Estis, P.C.. They have 22+ years of legal experience, licensed to practice since 2004. Their practice focuses on business, real estate, construction, estate litigation, and hoa. Admitted to practice in New York (2004), U.S. District Court, Southern District of New York (2004), and U.S. District Court, Eastern District of New York (2004). Educated at Villanova University School of Law (J.D., 2003) and West Chester University (B.A., 2000). Active member of New York City Bar Association New York State Bar Association. Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Brett B. Theis joined Rosenberg & Estis, P.C. in 2008 and is a Member with the firm’s Litigation Department
  • Theis is a seasoned commercial litigator and advisor, focusing his practice on the representation of New York property owners and developers in all facets of their real estate matters
  • Theis leads a specialized group of attorneys in R&E’s award-winning Litigation Department, where he brings a “value-add” mindset to his clients’ often unique and complex disputes involving real property
  • Theis’ clients include some of New York’s largest investment and advisory firms, publicly traded REITs, commercial landlords and management companies, shopping center owners, international pension funds, not-for-profit corporations, and families with large real estate holdings
  • Theis uses his vast knowledge of New York law and nearly 20 years of litigation experience to evaluate complicated matters and develop intelligent, cost-effective strategies to achieve his clients’ goals
  • One of Theis’ proudest recent achievements and an example of his “value-add” mindset came during the COVID-19 pandemic
  • He successfully cleared a lower Manhattan development site occupied by over a dozen commercial tenants at a time when the courts were effectively shut down, doing so without any tenant “buyouts.” As a result, Theis’ developer client was able to timely commence demolition and construction of new building to secure one of the last 421a development sites in New York, which his client ultimately sold at a substantial profit
  • Theis regularly represents his clients in high-stakes matters in all New York state and federal courts, including appellate courts, and maintains an active arbitration practice
  • He has first-chaired numerous jury and non-jury cases to verdict and has been equally successful winning cases on motions for summary judgment and obtaining extraordinary injunctive relief for his clients when necessary
  • Theis’ legal career started in the New York City Law Department, where he was awarded for his outstanding achievement in commercial and real estate litigation as a first-year attorney by Corporation Counsel Michael Cardozo
  • Honors & Awards Outstanding Achievement in Commercial and Real Estate Litigation as a First Year Attorney, City of New York, Office of the Corporation Counsel, 2004 Notable Work 184 Joralemon LLC v
  • Brooklyn Hts Candos, LLC, 117 A.D. 3d 699 (1st Dep’t 2014) 184 Joralemon LLC v
  • Brooklyn Law School, 31 Misc.3d 1201(A) (Sup
  • Ct
  • Kings Co. 2011) Salnikova v
  • Cuomo and S&P Associates of New York, 2010 WL 4053102, 2010 N.Y
  • Slip op. 32791(U) (Sup
  • Ct
  • N.Y
  • Co. 2010) Ladies Mile v
  • Diamond, Sup
  • Ct
  • N.Y
  • Co. Index No. 111368/04 Dolp 675 Properties II, LLC v
  • Barai Capital LLC, Sup
  • Ct
  • N.Y
  • Co. Index No. 600953/09 Manhattan Properties I, LLC v
  • Park B. Smith, Inc., Sup
  • Ct
  • N.Y
  • Co. Index No. 600924/09 VNO 100 West 33rd Street LLC v
  • Square One of Manhattan, Inc., 22 Misc.3d 560 (Civ
  • Ct
  • N.Y
  • Co. 2008) Flushing Expo, Inc. v
  • New World Mall, LLC, Sup
  • Ct., Queens Co., Index No. 28443/11

Practice Areas Explained

Brett Boydell Theis's Areas of Practice

Each practice area below reflects the types of cases Brett Boydell Theis 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.

Brett Boydell Theis is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New York →

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

Brett Boydell Theis is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in New York →

Construction Law

Brett Boydell Theis is one of 40,689 construction attorneys indexed nationally. Browse construction attorneys in New York →

Estate & Trust Litigation

Brett Boydell Theis is one of 20,023 estate litigation attorneys indexed nationally. Browse estate litigation attorneys in New York →

HOA & Condominium Law

Brett Boydell Theis is one of 5,637 hoa attorneys indexed nationally. Browse hoa attorneys in New York →

Jurisdictional Context

Why local counsel matters in New York

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

Looking for additional New York attorneys? Browse all attorneys in New York or all attorneys in New York.

Frequently Asked

Common questions about Brett Boydell Theis

Where is Brett Boydell Theis's law office located?
Brett Boydell Theis's law practice is located in New York, New York. The firm is Rosenberg & Estis, P.C.. You can contact the office directly through this profile page.
What practice areas does Brett Boydell Theis handle?
Brett Boydell Theis focuses on business, real estate, construction, estate litigation, hoa. Each practice area listed reflects experience handling cases of that type in New York.
How long has Brett Boydell Theis practiced law?
Brett Boydell Theis has 22+ years of legal experience and has been licensed since 2004.
Where did Brett Boydell Theis go to law school?
Brett Boydell Theis earned their education at (J.D., 2003); (B.A., 2000).
How can I contact Brett Boydell Theis for a consultation?
You can contact Brett Boydell Theis 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.
Villanova University School of Law
- 2003
B.A.
West Chester University
- 2000

Bar Admissions

New York
Admitted: 2004
U.S. District Court, Southern District of New York
Admitted: 2004
U.S. District Court, Eastern District of New York
Admitted: 2004

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