Complex Commercial & Construction Litigation

Deanna L. Koestel is a commercial litigator who dedicates her practice to complex commercial and construction litigation, shareholder disputes, and general business law matters in New Jersey and New York. Deanna brings a practical and business savvy approach to litigating matters including breach of contract, fraud and consumer fraud actions, breach of fiduciary duty and other business disputes, product defect & liability, and professional negligence claims. She is experienced in all aspects of commercial litigation including sophisticated fact and expert discovery, motion practice, argument, arbitration and trial, and post-judgment collection and regularly assists clients with responses to governmental subpoenas. She has provided legal advice to several small businesses, strategically focusing on drafting their business agreements in ways to avoid or streamline any future litigation risk. Deanna has substantial experience in construction matters including construction contract negotiation, litigating bid disputes and complex construction trials and arbitrations. She routinely represents residential and commercial property & business owners, contractors and subcontractors, suppliers, and manufacturers in construction contract issues including breach of contract, warranty actions, building supply defects, and professional liability. She also handles construction lien & mechanic’s lien issues on behalf of owners and contractors alike. Deanna’s experience on the litigation side of construction matters has provided her with valuable insight that she is able to utilize for her clients’ benefit in drafting construction contracts to reduce her clients’ risks. For the last 10 consecutive years, Deanna has been named a New Jersey Rising Star by the Business Litigation section of Super Lawyers. Since July 2015, she has served as Board President for Girls on the Run NYC. In 2013, Deanna was recognized as a Volunteer of the Year for her work with H.A.R.K. (Healthy Active Responsible Kids), where she was a founding board member and trustee, and Girls on the Run of Central New Jersey. She is active in community outreach and fundraising for various charities in New Jersey and New York.

Bar Admissions

  • State Bar of New Jersey
  • State Bar of New York
  • State Bar of Pennsylvania
  • U.S. District Court
  • U.S. District Court

Education

Temple University Beasley School of Law, 1719 N Broad St, Philadelphia, PA 19122
J.D. - Juris Doctor - 2002
University of Maryland, College Park, MD 20742
B.S. - Bachelor of Science - 1999

Career Highlights

  • Deanna L. Koestel was selected to the 2017 Rising Stars Super Lawyers list.
  • 2013 Volunteer of the Year

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