John S. Mairo

John S. Mairo: Experienced Bankruptcy and Creditor/Debtor Rights Attorney in Newark, New Jersey

Mr. John S. Mairo is a highly respected bankruptcy and creditor/debtor rights attorney based in Newark, New Jersey. With decades of experience handling mid-size to multibillion-dollar bankruptcy matters both nationally and internationally, Mr. Mairo has represented an extensive slate of clients that includes debtors, secured lenders, creditors’ committees, landlords, administrative agents for syndicates of lenders, foreign representatives, among others.

Practice Areas

• Commercial Litigation
• Litigation - Bankruptcy

Awards and Recognitions

• Included in New Jersey Super Lawyers® from 2010 to 2025, with distinctions as a Top 100 attorney (2016-2022) and a Rising Star (2009).
• Recognized by Chambers USA Guide for America’s Leading Business Attorneys in the Litigation - Bankruptcy category from 2016 to 2025.
• Awards include the Lawyer of the Year recognition in Newark (2020) and being recognized as a Fellow of INSOL International, committee member of the INSOL Insolvency Practitioners Group, and one of only three bankruptcy attorneys in the Third Circuit selected for induction as a Fellow of the American College of Bankruptcy in March 2025.
• Mr. Mairo is known by his clients and colleagues alike for his leadership qualities, legal acumen, and strategic thinking, which have yielded impressive results throughout his career.

Education and Credentials

Mr. Mairo holds a Juris Doctor (J.D.) degree from Boston College and a Bachelor of Arts degree from Seton Hall University. He is admitted to practice in the State of New Jersey and has received numerous recognitions for his work, including being named a Fellow of the American College of Bankruptcy.

Professional Affiliations

• A member of the INSOL Insolvency Practitioners Group.

Mr. Mairo is dedicated to helping businesses navigate complex legal landscapes and ensuring that his clients’ interests are protected in all facets of their cases, from bankruptcy proceedings to commercial litigation. His comprehensive experience covers a wide array of insolvency scenarios, including antitrust multidistrict litigation and complex restructuring cases.