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Comprehensive Legal Services in Cedar Knolls, NJ, & Garden City, NY


For experienced and comprehensive legal services with a personal touch, you need The Law Offices of Joseph D. Sullivan. As a full-service law firm, we provide legal counsel and services for both plaintiffs and defendants. Our sub-practice areas including:


  • Estate Litigation
  • Estate Planning
  • Estate Administration
  • Personal Injury
  • Debt Collection (i.e., individuals and corporations)
  • Real Estate


Attorney Joseph D. Sullivan brings over 30 years of litigation experience as a trial attorney, and will fight tirelessly for you and your loved ones.

Experience is Key


Since first opening in 1994, our law firm has become one of the most respected and reliable legal teams in the area. We pride ourselves on offering expert legal services with honesty and integrity, and our passionate and experienced team of attorneys always fight hard for your rights in the courtroom. From consultation to the closing of your case, we'll be there every step of the way to address your questions and concerns. Simply put, you're in great hands when working with the Joseph D. Sullivan legal team.


Get in touch with us today to learn more about our legal services and free initial consultations. We'd love to put our experience to work for you.

Handling Your Case with Confidence


At The Law Offices of Joseph D. Sullivan, we are here to defend your rights and to help you get the justice you deserve. Our lead attorney and founder, Joseph D. Sullivan, is highly skilled in numerous areas of the law and will fight hard for your rights both in and out of the courtroom. We will also gladly refer you out to other well-reputed legal teams in the area should your legal issues be out of our scope of experience. For more information, call our New Jersey office at (973)-361-4099 or New York office at (516)-248-7777 today.

Our Distinctions and Associations in the Field


Award Note: The Amended Rule of Professional Conduct 7.1(a)(3) and its Official Comment require that, when referring to an accolade or honor that compares the lawyer’s services to other lawyers, lawyers must state that no aspect of the advertisement has been approved by the Supreme Court. RPC 7.1(a)(3).



Lawyers of Distinction (or “LOD”) state that their process analyzes the attorney work, experience and ability based upon 12 criteria which include achievements and peer recognition and also note they give reviews left on Avvo and Google consideration. Once attorney scores are generated using a method which uses a Provisional Patent (#62/743,254), LOD conducts an Ethics Review and the applicant must have no ethical violations within the past 10 years.

Contact our office to schedule an appointment today.

New Jersey: (973) 361-4099 | New York: (516) 248-7777 | JDS@JosephSullivanESQ.com  

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