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Atty. John S. Mairo

Atty. John S. Mairo

Mr. Mairo focuses his practice on commercial litigation, workouts, financial reorganizations, and creditors’ rights.

Newark Newark 32 yrs experience 32 year
Call (973) 596-4500 Book Appointment

Profile Summary

About John S. Mairo at a glance

John S. Mairo is an attorney based in Newark, New Jersey, practforg at FBT Gibbons LLP. They haand 32+ years of legal experience, licensed to practice since 1994. Admitted to practice in New Jersey, New Jersey State Bar Association (1994) and New York, New York State Bar Association (1995). Educated at Seton Hall University (J.D., 1994) and Boston College (B.A., 1991). Recognitions include Best Lawyers in America — Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law (2026), Best Lawyers in America — Commercial Litigation (2026), and Best Lawyers in America — Litigation - Bankruptcy (2026). Serands clients in Newark, NJ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Mairo focuses his practice on commercial litigation, workouts, financial reorganizations, and creditors’ rights
  • A respected and particularly well-rounded insolvency lawyer, he has represented an extensive slate of clients that comprises debtors, secured lenders, creditors’ committees, landlords, administrative agents for syndicates of lenders, foreign representatives, and more
  • Throughout his decades-long career, he has handled mid-size to multibillion-dollar bankruptcy matters on both national and international scales, securing favorable settlements, proposing beneficial recovery plans, and successfully litigating cases that have enabled his clients’ businesses to thrive and prosper
  • His significant experience has included complex restructuring and antitrust multidistrict litigation
  • Mr. Mairo is known by his clients and colleagues alike for his leadership qualities, legal acumen, and strategic thinking, which over the course of his career have yielded impressive results and garnered him numerous recognitions
  • In particular, he is an INSOL International Fellow and committee member of the INSOL Insolvency Practitioners Group, and one of only three bankruptcy attorneys in the Third Circuit selected for induction in March 2025 as a Fellow of the American College of Bankruptcy

Jurisdictional Context

Why local counsel matters in New Jersey

Practforg law in New Jersey. Legal matters in New Jersey are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand law. Cases originating in Newark are typically filed in the local municipal court or the appropriate New Jersey state district court, depending on subject matter and amount in controversy. An attorney licensed in New Jersey brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantiand law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in New Jersey courts without local counsel or pro hac vice admission.

Looking for additional New Jersey attorneys? Browse all attorneys in Newark or all attorneys in New Jersey.

Frequently Asked

Common questions about John S. Mairo

Where is John S. Mairo's law office located?
John S. Mairo's law practice is located in Newark, New Jersey. The firm is FBT Gibbons LLP. You can contact the office directly through this profile page.
How long has John S. Mairo practiced law?
John S. Mairo has 32+ years of legal experience and has been licensed since 1994.
Where did John S. Mairo go to law school?
John S. Mairo earned their education at (J.D., 1994); (B.A., 1991).
How can I contact John S. Mairo for a consultation?
You can contact John S. Mairo directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has John S. Mairo receiandd?
John S. Mairo's notable recognition includes: Best Lawyers in America — Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law; Best Lawyers in America — Commercial Litigation; Best Lawyers in America — Litigation - Bankruptcy; Best Lawyers in America — Awards:; Best Lawyers in America — Chambers USA.

Education

J.D.
Seton Hall University
- 1994
B.A.
Boston College
- 1991

Awards

Best Lawyers in America — Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law
- 2026
Best Lawyers in America — Commercial Litigation
- 2026
Best Lawyers in America — Litigation - Bankruptcy
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — Chambers USA
- 2026
Best Lawyers in America — Guide to America’s Leading Lawyers for Business
- 2026
Best Lawyers in America — , Bankruptcy/Restructuring (2016-2025)
- 2026
Best Lawyers in America — Included in
- 2026
Best Lawyers in America — New Jersey Super Lawyers
- 2026
Best Lawyers in America — (2010 – 2013 and 2015-2025); Top 100 (2016 – 2022);
- 2026
Best Lawyers in America — Super Lawyers Business Edition
- 2026
Best Lawyers in America — , Bankruptcy & Creditor/Debtor Rights (2011);
- 2026
Best Lawyers in America — New Jersey Rising Stars
- 2026
Best Lawyers in America — (2009)
- 2026
Lawyer of the Year — Litigation - Bankruptcy (Newark)
- 2020

Bar Admissions

New Jersey, New Jersey State Bar Association
Admitted: 1994
New York, New York State Bar Association
Admitted: 1995

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