John J. Fellin, Esq.

FOUNDER | FELLIN LAW GROUP

John J. Fellin is the founder of Fellin Law Group, a Matrimonial and Family Law firm.  Mr. Fellin's breadth and depth of experience in negotiating settlements, coupled with his trial skills, has yielded the highest level of advocacy on behalf of his clients. 

Mr. Fellin has dedicated his legal career to helping clients navigate the difficult and often emotional issues and challenging family relationships that invariably arise in both the dissolution of a marriage and in other family-related legal proceedings. John is a highly skilled negotiator and experienced litigator who works closely with clients to identify their goals and develop strategies that effectively and efficiently meet their objectives.

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How John Helped Redefine CLE 

John’s range of representative clients includes high net worth individuals, public figures, entrepreneurs, corporate executives, professionals and business owners and their spouses. His experience and legal acumen are complemented by his fellow partners and associates who concentrate in federal and state court practice, civil and commercial litigation, transactional business matters, criminal defense and appellate advocacy, yielding a broader base of experience on which to draw in negotiating and litigating complex financial divorce matters.

Lauded by members of the judiciary and his peers in the legal community alike, Fellin is proud to be selected as a New York Metro “Super Lawyers” “Rising Star” between 2017 and 2022, rated “Superb” with a ranking of 10.0 out of 10.0 on Avvo.com and named one of the American Society of Legal Advocates’ and National Advocates “Top 40 Under 40” matrimonial lawyers for five consecutive years.

Education and Admissions

  • New York – Second Department - 2010

  • Touro Law School – JD – 2008

  • Binghamton University – BA – 2005

Memberships

  • New York State Bar Association – Family Law Section – Member, Executive Committee – 2020 to Present

  • Suffolk County Matrimonial Bar Association – Board of Directors 2016 – Present, President (2020/2021)

  • Suffolk County Bar Association – Former Committee Chair

  • Suffolk County Bar Association – Matrimonial and Family Law Committee - Member

  • Nassau County Bar Association – Matrimonial and Family Law Committee - Member

Awards

  • New York Super Lawyers – “Rising Stars” – 2017-2022
  • Long Island Herald/Richner Live – Long Island’s Top Lawyers - 2022
  • Long Island Business News – Leaders in Law Award – 2019
  • American Society of Legal Advocates – Top Family Law Attorneys – 2016-2019
  • The National Advocates – Top 40 Under 40 – 2016-2019
  • The American Institute of Family Law Attorneys – 2016-2019 (New York)
  • The Leukemia and Lymphoma Society of America – 2018 – Top Individual Fundraiser Award ($104,000.00)