Walter A. Lesnevich

Walter A. Lesnevich: Attorney with Lesnevich, Marzano-Lesnevich, O’Cathain & O’Cathain, LLC AV stamp icon
Attorney Awards


Walter A. Lesnevich, with his wife/law partner Madeline Marzano-Lesnevich (divorce and family law), founded Lesnevich, Marzano-Lesnevich, O’Cathain & O’Cathain, LLC. During his more than 40 years as a personal injury, medical malpractice, and criminal attorney, Walt has amassed considerable expertise as, and the reputation of, a lawyer who fights for his clients.

Walt has tried cases involving professional malpractice, wrongful death, automobile accidents and injuries, medical malpractice, drug and medical device litigation, products liability, homicide and criminal defense. He has defended persons in State and Federal Courts accused of murder, financial crimes, rape, sexual assault, computer crimes and child pornography. While he is very accomplished professionally, what truly sets him apart is his personal approach to every client. Walt believes in a hands on, full blast effort on behalf of people who need a trial lawyer.

Throughout his long career he has won many multi-million dollar cases, and is a member of the prestigious American Board of Trial Attorneys. Walt has tried several gastric bypass cases, each bringing significant recoveries. His clients recently recovered over $1,000,000.00 for a car crash case. Additionally, a surgical medical malpractice case in Passaic County recently yielded $750,000.00 for an undocumented worker. Walt represented a motorcycle rider who was severely injured in an accident in Westchester County, New York. The case settled for $1.6 million dollars— a very large amount for a motorcycle injury case.

Walt is an expert trial lawyer. He is recognized as a Fellow of the Litigation Counsel of America, and Certified by the Supreme Court of New Jersey as a Civil Trial Attorney. Additionally, he formally served as Chair of the Primerus Personal Injury Institute, and as Chair of the New Jersey Supreme Court Board on Attorney Certification. A former Trustee of the New Jersey State Bar Association, Walt is also the former attorney for the borough of Tenafly, NJ.

Walt represented the defendant Edward Ates in the widely publicized case of State of New Jersey v. Edward Ates, a first degree murder case. The two-and-a-half-month trial generated a great deal of publicity with the case being reported in over 500 newspapers worldwide and carried on over 50 television stations. Walt personally appeared on Dateline NBC, Good Morning America and CNN, as well as numerous other broadcasts. Walt also represented the defendant in a Federal reported case, the United States vs. Brahm, 520 Federal Supplement 2nd 619 (D.N.J. 2007), in a constitutional challenge to the Patriot Act.

Walt received a B.A. from Rutgers University, an M.A. from Syracuse University, and a J.D. from Rutgers Law School. He is a Major, U.S. Air Force, Retired.

Walt is 2018 Super Lawyers Honoree

Areas of Practice (9)

  • Professional Malpractice
  • Wrongful Death
  • Automobile Accidents and Injuries
  • Medical Malpractice
  • Drug and Medical Device Litigation
  • Products Liability
  • Homicide and Criminal Defense
  • Civil
  • Personal Injury

Education & Credentials

Contact Information:
201-742-8765  Phone
201-488-1162  Fax
University Attended:
Rutgers University, B.A., Psychology, 1963; Syracuse University, M.A., Psychology, 1965
Law School Attended:
Rutgers University Law School, J.D., 1972
Year of First Admission:
1977, New York; 1977, U.S. District Court, Eastern, Southern and Northern Districts of New York; 1972, New Jersey; 1972, U.S. District Court, District of New Jersey; 1981, U.S. Court of Appeals, Third Circuit
Retired, Major, U.S. Air Force Reserve, 1987; New Jersey Air National Guard, 1972-1979; Active Duty, U.S. Air Force, 1965-1969; Commissioned Second Lieutenant, U.S. Air Force, Rutgers R.O.T.C., 1963
Birth Information:
Weehawken, New Jersey, March 9, 1942
( Certified by the Supreme Court of New Jersey as a Civil Trial and Criminal Trial Attorney )

Peer Reviews

5.0/5.0 (1 review)
A Martindale-Hubbell Peer Rating reflects a combination of achieving a Very High General Ethical Standards rating and a Legal Ability numerical rating.
  • Legal Knowledge

  • Analytical Capability

  • Judgment

  • Communication

  • Legal Experience

  • 4.6/5.0 Rated by a Principal on 05/22/14 in Criminal Law

    I used to work for his Wife in their matrimonial department. I have first hand knowledge of Walter and his experience in both Civil and Criminal Law. He is very experienced, smart, and has a true passion for his profession.

    I used to work for his Wife in their matrimonial department. I have first hand knowledge of Walter and his experience in both Civil and Criminal Law. He is very experienced, smart, and has a true passion for his profession. Read less

    Read less

*Peer Reviews provided before April 15, 2008 are not displayed.

Hackensack, New Jersey

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