Javerbaum Law


Our Mission

This firm is based upon a deeply held conviction – Endeavor in Excellence.

The essence of this firm has always been the ongoing pursuit and expectation of excellence. Day by day, and case by case, this conviction sets the standard for firm conduct and the upbeat tempo of the firm ethic. We act upon the bedrock tenets of relentless advocacy and client service at reasonable and fully disclosed rates.

We will engage in an ongoing discussion of client aims and expectations. Simply put, guidance to an efficient and successful result requires a consistent dialogue between us. Trust in the firm depends upon it. The client's goals and expectations will be our focus.

Excellent results are achieved through diligence, judgment, passion and accountability. This firm promises diligence. Our ethic demands hard work to develop and effectively apply the facts to the relevant law in every case.

This firm promises passion, judgment, and accountability. With the right trial attorneys, zealous advocacy is partnered with judgment. The Tierney Law Group will advance your interests zealously and guide you to a successful result.

We intend to earn your trust. Give us the opportunity to serve you.

History / Biography

John Tierney began his career as an Assistant District Attorney in Bronx County, New York wherein he was promoted to Trial Assignment Part I (TAP) leader and then to the position of Designated Felony Liaison for Juvenile Offenders. In this role, he successfully prosecuted and tried dozens of gang-related assaults and robberies, felony gun possession cases, conducted felony interrogations, and successfully prosecuted a multiple defendant rape trial. He finished his tenure in the Narcotics Trial Bureau.

In private practice, as a result of the strong investigative and trial experience obtained early in his career, John built the Tierney Law Group from the ground up, since 2002. For almost 20 years, the firm specialized in Civil Defense matters on behalf of Fortune 500 Companies and Major Insurance companies. In April, 2021, the Tierney Law Group merged into Javerbaum Wurgaft, Hicks, Kahn, Wikstrom, and Sinins, in order to form a Civil Defense Litigation Unit.

Specifically, John Tierney and his team have been uniquely successful in the defense of

  • General Liability and Premises Liability matters,
  • Products liability actions,
  • Construction accidents,
  • strip malls,
  • commercial owners, and property managers,
  • non-profit charitable, religious and educational institutions,
  • Title 59 actions against municipalities,

and have obtained outstanding results in a vast array of civil litigation, coverage, and criminal defense matters.

For nineteen years, the Tierney Law Group has successfully represented an outstanding array of clients as Litigation Counsel. These include

  • Starbucks Corporation,
  • James River Insurance Company,
  • Carolyn Corporation,
  • Teavana,
  • Mesa Underwriters Specialty Insurance Company (MUSIC),
  • American European Insurance Group,
  • Stonecreek Specialty Insurance Company,
  • New Jersey Manufacturers Insurance Company S.I.U. and
  • The Redwoods Group YMCA Program.

From Pre-Litigation Risk Management through Appeal, the Tierney Law Group is ready and armed to serve you.


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The information you obtain at this site is not, nor is it intended to be, legal advice. You should consult an attorney for advice regarding your individual situation. We invite you to contact us and welcome your calls, letters and electronic mail; however, contacting us does not create an attorney-client relationship. Please do not send any confidential information to us until such time as an attorney-client relationship has been established. Moreover, it is imperative to retain counsel as soon as possible so as to fully protect the Company and to ensure compliant response to time limitations imposed by law.