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Recognized as an expert on a variety of employment law topics, including sexual harassment, racial discrimination, disability claims, whistleblowing, family leave, private-sector labor law, employment contracts and non-competition/restrictive covenant litigation,  John heads Chasan Leyner & Lamparello, PC’s Employment Law Department.  He successfully represents both management and employees before federal and state courts, state administrative tribunals and in arbitration.  He also works with clients providing sensitivity training and drafting policies regarding discrimination and workplace practices.  John serves as Special Counsel for the City of Hackensack and as Special Counsel for the Bergen County Improvement Authority.

John’s successes with employment matters include several significant New Jersey Supreme Court and Appellate Division decisions, including briefing the matter of Gaines v. Bellino, in which the New Jersey Supreme Court established an affirmative defense for employers with a policy prohibiting discrimination and providing training to supervisors.  He successfully argued the New Jersey Tort Claims Act matter Velez v. City of Jersey City, where the New Jersey Supreme Court, for the first time, held that a plaintiff must provide a public entity with written notice of a claim, whether it is based on negligent or intentional conduct.  He obtained certification from the Court in the matter of Potente v. County of Hudson, where the plaintiff alleged an illegal termination based on handicap discrimination.  Most recently, John won the Appellate Division case of Redvanly v. Automated Data Processing, Inc., which set a new standard regarding the use of after-acquired evidence.

As a result of his accomplishments in the field, John has been selected by New Jersey Monthly Magazine as a Super Lawyer®, making him one of the top five percent of lawyers in the state.  He previously was named to the list of Rising Stars by the magazine in the area of Labor and Employment Law, an honor bestowed on outstanding young lawyers.  The New Jersey Law Journal recognized John as one of the state’s 40 accomplished lawyers under the age of 40.  John also received the highest peer review rating for ethical standards and legal ability from Martindale-Hubbell, the authoritative resource for information on the legal profession.  His expertise and achievements in employment law matters also earned John an invitation to serve as a master of the Sidney Reitman Employment Law American Inn of Court, the first such training organization devoted exclusively to labor and employment law advocacy from the perspectives of management, plaintiffs, unions and governmental agencies.

Following his service as Law Clerk to the Honorable Thomas P. Olivieri, J.S.C., and the Honorable Barbara A. Curran, J.S.C., Hudson County, New Jersey for the 1997 to 1998 term, John joined Chasan Leyner & Lamparello in 1998 becoming principal of the Firm in 2005


Practice areas


  1. Discrimination: 25%
  2. Civil Rights: 25%
  3. Sexual Harassment: 25%
  4. Employment: 25%

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Contact info

Chasan Leyner & Lamparello

300 Harmon Meadow Boulevard
Secaucus, NJ, 07094-3642


NYDue to reregister within 30 days of birthday 200007/11/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Best Lawyer-Labor and EmploymentBest Lawyers in America2014
AV Peer Review RatingMartindale-Hubbell2011
Super LawyerNew Jersey Monthly2011
AV RatedMartindale-Hubbell2010
SuperLawyersNew Jersey Monthly2010
SuperlawyersNew Jersey J Monthly2009
AV RatedMartindale-Hubbell2009
Rising StarNew Jersey Monthly Magazine2008
Top 40 Under 40New Jersey Law Journal2008
Rising StarNew Jersey Monthly Magazine2007
Rising StarNew Jersey Monthly Magazine2006
Work experience
TitleCompany nameDuration
Judicial ClerkSuperior Court, County of Hudson1997 - 1998
Association namePosition nameDuration
Bergen County Bar AssociationMember2010 - Present
New Jersey State Bar Association, Labor and Employment Law SectionExecutive Committee2008 - Present
Seton Hall University School of Law Alumni CouncilMember2006 - Present
Sidney Reitman Employment Law American Inn of CourtMaster2003 - Present
Association of the Federal Bar of the State of New JerseyMemberN/A
New Jersey State Bar Association, Federal Practice and Procedure SectionMemberN/A
Hudson Inns of CourtMemberN/A
New Jersey State Bar AssociationAmicus Curiae Committee2009 - 2011
Hudson County Bar Association, Young Lawyers DivisionVice President2000 - 2000
Hudson County Bar Association, Young Lawyers DivisionSecretary1999 - 1999
Legal cases
Case nameOutcome
Gaines v. Bellino: 173 N.J. 301 (2002)Decision by NJ Supreme Court
Redvanly v. Automated Data Processing, Inc., 407 N.J. Super. 395 (App. Div. 2009)N/A
See all legal cases 
School nameMajorDegreeGraduated
Seton Hall University School of LawLawJD - Juris Doctor1997
Boston CollegeN/ABA - Bachelor of Arts1994