Atty. John S. Mairo
Mr. Mairo focuses his practice on commercial litigation, workouts, financial reorganizations, and creditors’ rights.
Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law & More Attorney · Serving Newark, NJ · 32+ Years Experience
Profile Summary
About John S. Mairo at a Glance
John S. Mairo is a business, bankruptcy, and litigation attorney based in Newark, New Jersey, practicing at FBT Gibbons LLP. They have 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). Serves clients in Newark, NJ and the surrounding metropolitan area.
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About John S. Mairo
- 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
Practice Areas Explained
John S. Mairo's Areas of Legal Practice
Each practice area below reflects the types of cases John S. Mairo handles, with a practical overview of what that area of law involves and how it may apply to your situation in Newark.
Business & Corporate Law in Newark
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
John S. Mairo is one of 497,491 business attorneys indexed nationally. Browse business attorneys in New Jersey →
Bankruptcy & Debt in Newark
A bankruptcy attorney can help you eliminate debt, stop creditor harassment, and protect your home through Chapter 7 or Chapter 13.
John S. Mairo is one of 104,458 bankruptcy attorneys indexed nationally. Browse bankruptcy attorneys in New Jersey →
Civil Litigation in Newark
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
John S. Mairo is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in New Jersey →
Jurisdictional Context
Why Local Counsel Matters in Newark
Practicing law in New Jersey. Legal matters in New Jersey are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive 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 venue, and the substantive 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.
Newark Courts and Legal Process
Choosing a Newark-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional New Jersey attorneys? Browse all attorneys in Newark or all attorneys in New Jersey.
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Common Questions About John S. Mairo
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Professional Profile
Why Clients in Newark Choose John S. Mairo
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish John S. Mairo's practice in the field of business, bankruptcy, and litigation.
Decade-Tested Legal Experience
John S. Mairo brings 32+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in New Jersey, New Jersey State Bar Association and New York, New York State Bar Association, John S. Mairo can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering business, bankruptcy, and litigation, John S. Mairo can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Newark
A Newark-based practice means John S. Mairo attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues John S. Mairo Handles in Newark
Below is a representative sample of the types of matters John S. Mairo has experience with under New Jersey law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact John S. Mairo directly to discuss the specifics of your situation.
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How People Find John S. Mairo Online
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John S. Mairo's Practice Areas & Specializations
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