Martha Cohen Stine

Partner


Martha Cohen Stine is a founding partner of Cohen Stine Kapoor LLP and one of New York’s leading matrimonial and family law attorneys. She has devoted more than 25 years exclusively to matrimonial and family law, representing clients in sophisticated divorce and family law matters. A skilled trial and appellate lawyer, she is frequently quoted by national media and known for her strategic yet compassionate advocacy.

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Martha Cohen Stine, founding partner at Cohen Stine Kapoor LLP

Practice Areas

High-Net-Worth Divorce
Complex Matrimonial Litigation
Child Custody & Parenting Time
Interstate Custody (UCCJEA)
Hague Convention Cases
Same-Sex Family Law
Prenuptial & Postnuptial Agreements
Appeals
Mediation & Settlement Strategy

Recognition & Leadership

Top 50 Women LawyersNew York Metro Super Lawyers
Top 100 LawyersNew York Metro Super Lawyers
AV Preeminent Rated AttorneyMartindale-Hubbell
Board of DirectorsNew York County Lawyers Association
Immediate Past ChairNYCLA Matrimonial Law Section
Executive CommitteeNYSBA Family Law Section
Board of DirectorsNYCLA Foundation
Super Lawyers since 2012 • Recognized for excellence, leadership, and client advocacy

Education

  • New York UniversityB.A., cum laude
  • Benjamin N. Cardozo School of LawJ.D., cum laudeEditor, Law Review

Admissions

  • New York
  • United States District Court, Southern District of New York
  • United States Supreme Court

Accomplished Trial & Appellate Advocate

Direct: (212) 512-0810  ·  mstine@csklawny.com  ·  Download vCard

Martha Cohen Stine, a partner of Cohen Stine Kapoor LLP, is widely recognized as one of New York’s leading matrimonial and family law attorneys. She is consistently named among New York Metro Super Lawyers’ Top 50 Female Lawyers and Top 100 Lawyers overall, and holds the prestigious AV® Preeminent™ rating from Martindale-Hubbell, reflecting the highest standards of legal ability and professional ethics. Ms. Stine earned her B.A., cum laude, from New York University and her J.D., cum laude, from the Benjamin N. Cardozo School of Law, where she served as an Editor of the Law Review.

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Ms. Stine serves on the Board of Directors of the New York County Lawyers Association (“NYCLA”), is the immediate past Chair of NYCLA’s Matrimonial Law Section, and sits on the Executive Committee of the New York State Bar Association’s Family Law Section. She also serves on the Board of Directors of the NYCLA Foundation. A frequent lecturer and panelist, Ms. Stine regularly organizes and presents Continuing Legal Education programs.

While committed to resolving disputes amicably whenever possible, Ms. Stine is also an accomplished litigator with extensive trial and appellate experience in New York courts. She has achieved numerous notable victories, including precedent-setting decisions, and is frequently sought out by the media as an authority on family law issues. Her practice encompasses all aspects of matrimonial and family law, including divorce and custody matters, prenuptial and postnuptial agreements, same-sex family issues, and interstate and international custody disputes involving the UCCJEA and Hague Convention. Dedicated to helping clients move forward with confidence and stability, Ms. Stine is deeply committed to guiding individuals and families through life’s most difficult transitions.

Her clients include prominent real estate developers, business owners, executives, medical and legal professionals, musicians, opera singers, cabaret performers, and other professionals and public figures, as well as their spouses and partners.

Outside her legal practice, Ms. Stine is an accomplished singer with a lifelong passion for theater and the arts. She performs with the renowned Blue Hill Troupe, a Gilbert & Sullivan theater company that donates all ticket-sale proceeds to New York charities, and has also appeared with Utopia Opera, Village Light Opera Group, and Island Lyric Opera. In addition, she produces and directs original musical comedies featuring lawyers and judges, including the March 2026 Twelfth Night performance at the New York City Bar Association honoring Second Circuit Judge Gerard Lynch. Ms. Stine is an active member of the Lotos Club, one of New York’s most distinguished literary and arts clubs, where she serves as Chair of the Music Committee. She is also a member of and serves on the Board of Directors of The Lambs, America’s oldest professional theatrical club.

What Clients Say

Truly had my best interests at heart. Ms. Stine was kind, compassionate, and always had my back. I felt she genuinely cared about my best interests and guided me every step of the way. Highly recommended. Five stars all the way!

— Former Client

Martha Stine is an extraordinary lawyer and person. She managed to settle my case and keep me out of litigation even with a vicious and vindictive ex-husband. She saved me a lot of money in fees through her calm, strategic and practical approach. I have suggested her name to all of my friends going through a divorce, they have all thanked me. I cannot recommend Ms. Stine highly enough – she is fabulous.

— Former Client

Marti handled my prenup agreement, and I couldn’t have asked for a better experience. She’s incredibly smart and strategic, always thinking a few steps ahead while still keeping my priorities front and center. She explained everything clearly, responded promptly, and made a complex process feel manageable. She was consistently reliable and detail-oriented from start to finish. I felt fully supported throughout, and I’d highly recommend her to anyone needing thoughtful and skilled legal guidance for their prenup or other matrimonial matter.

— Former Client

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Representative Matters

  • High-net-worth divorce litigation involving business owners, executives, professionals, and public figures.
  • Complex valuation of businesses, professional practices, and executive compensation packages.
  • Interstate and international custody matters under the UCCJEA and Hague Convention.
  • Same-sex family law matters, including marriage dissolution and parenting.
  • Appeals in divorce, custody, and related family law matters.
  • Negotiated prenuptial and postnuptial agreements for high-net-worth individuals.
  • Mediation and collaborative law to achieve efficient, tailored solutions.

In the Media

  • Quoted extensively in The American Lawyer: “The Pro Se AI Boom Has Arrived. Attorneys Are Buckling in for More Work.” (Alyssa Aquino, July 16, 2026)

Beyond the Practice of Law

A passionate supporter of the arts, Martha produces and directs original musical comedies featuring lawyers and judges, blending her creative spirit with her love for the legal profession.

Directed the March 2026 Twelfth Night performance at the New York City Bar Association honoring Second Circuit Judge Gerard Lynch.

Chair of the Music Committee at the Lotos Club and a member of the Board of Directors of The Lambs, America’s oldest professional theatrical club.

Work with Martha Cohen Stine

Strategic. Tenacious. Compassionate.