Atty. Lidio A. Duval

Atty. Lidio A. Duval

Lidio is an Associate with Aronson Mayefsky & Sloan where he represents clients in all aspects of Family Law. Lidio received his LL.M from Fordham University School of Law, magna cum laude, ranked in the top five of his class, and served as a member of the Student Advisory Board.

New York New York 12 yrs experience 12 year
Call (332) 249-8036 Email Book Appointment

Profile Summary

About Lidio A. Duval at a glance

Lidio A. Duval is a Partner based in New York, New York, practicing at Aronson Mayefsky & Sloan, LLP. They have 12+ years of legal experience, licensed to practice since 2014. Their practice focuses on family law. Admitted to practice in Dominican Republic (2014) and New York (2019). Educated at Fordham University School of Law (LL.M., 2019) and Universidad Iberoamericana Ciudad de Mexico (LL.B., 2015). Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Lidio is an Associate with Aronson Mayefsky & Sloan where he represents clients in all aspects of Family Law
  • Lidio received his LL.M from Fordham University School of Law, magna cum laude, ranked in the top five of his class, and served as a member of the Student Advisory Board
  • Before joining the firm, Lidio gained extensive experience dealing with matrimonial matters while serving as an intern for a judge in matrimonial part in New York County Supreme Court
  • He received his LL.B from Universidad Iberoamericana in the Dominican Republic, where he graduated summa cum laude and first in his class
  • He then joined a prestigious firm in the Dominican Republic, where he counseled clients in matrimonial matters, and was recognized as a rising star and recommended lawyer in Chamber’s Legal 500 Latin America
  • Lidio is a fellow of the Asociación de Juristas de Derecho de Familia (AIJUDEFA), an international organization of family law and trust and estates specialists, with fellows in more than 30 countries, where he is a lecturer and serves as the Co-President of the Young Lawyers Section
  • In addition, Lidio is the chair of the Young Lawyer Section of the New York State Bar Association (NYSBA), matrimonial section
  • He is also a lecturer for the Scales of Justice, an organization that works with young women from diverse backgrounds seeking mentorship and guidance in the legal field
  • Lidio is admitted to practice law in the State of New York and the Dominican Republic
  • In addition to NYSBA and AIJUDEFA, he is a member of the Dominican Bar Association of New York and the LGBT Bar Association of New York
  • Lidio has been recognized by his peers as a Rising Star in the New York Metro Area in Super Lawyers
  • Outside his practice of law, Lidio is an adjunct professor at Fordham Law School
  • Lidio lives in Queens with his husband and their dog, Charlotte (Charlie)
  • He is a music enthusiast and frequents live shows, an avid reader (a member of one too many book clubs), and a recurrent attendee of stand-up comedy shows
  • Lidio is fluent in Spanish and reads/writes advanced French

Practice Areas Explained

Lidio A. Duval's Areas of Practice

Each practice area below reflects the types of cases Lidio A. Duval handles, with a brief overview of what that area of law covers.

Family Law

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Lidio A. Duval is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in New York →

Jurisdictional Context

Why local counsel matters in New York

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

Looking for additional New York attorneys? Browse all attorneys in New York or all attorneys in New York.

Frequently Asked

Common questions about Lidio A. Duval

Where is Lidio A. Duval's law office located?
Lidio A. Duval's law practice is located in New York, New York. The firm is Aronson Mayefsky & Sloan, LLP. You can contact the office directly through this profile page.
What practice areas does Lidio A. Duval handle?
Lidio A. Duval focuses on family law. Each practice area listed reflects experience handling cases of that type in New York.
How long has Lidio A. Duval practiced law?
Lidio A. Duval has 12+ years of legal experience and has been licensed since 2014.
Where did Lidio A. Duval go to law school?
Lidio A. Duval earned their education at (LL.M., 2019); (LL.B., 2015).
How can I contact Lidio A. Duval for a consultation?
You can contact Lidio A. Duval 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.

Practice Areas

Education

LL.M.
Fordham University School of Law
- 2019
LL.B.
Universidad Iberoamericana Ciudad de Mexico
- 2015

Bar Admissions

Dominican Republic
Admitted: 2014
New York
Admitted: 2019

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