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Aida Ferrer Leisenring

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E-mail MeAida Ferrer Leisenring

Garden City, New York

Aida Leisenring graduated with Honors from Brown University in 1999. She later attended Benjamin N. Cardozo School of Law, and graduated in 2006 with an award for Excellence in Service to the Law School for her clinical work in criminal defense. Before entering law school, Ms. Leisenring worked as an editor at Elle Magazine for 3 years, representing the publication at industry events, nationally and abroad, and writing monthly features. In addition to monthly articles in Elle Magazine, Ms. Leisenring was also published in Big Magazine, an international art and photography publication, for her works on American satiric cartoonist for The New Yorker, Robert Osborn, and noted photographer Louise Dahl-Wolfe .

After law school, Ms. Leisenring opted to represent the indigent and accepted a position with The Legal Aid Society in Brooklyn, where she practiced for 6 years.  There, she represented thousands of clients charged with both misdemeanors and felonies in Criminal and Supreme Court. She has conducted numerous suppression hearings, successfully tried felony cases to verdict, and has won motions to dismiss on various legal grounds. Her practice also included advisement on immigration and civil matters that are affected by criminal charges.
During her time at The Legal Aid Society, Ms. Leisenring was featured in two episodes of the National Geographic Channel’s documentary called “Criminal Defense,” an inside look into the lives of public defenders in Brooklyn, NY. Ms. Leisenring’s other legal experience includes interning at The Innocence Project, where she participated in the exoneration of Barry Gibbs, and appeared on Court TV’s “Stories of The Innocence Project.” Additionally she interned at The Capital Defender’s Office in 1999, assisting on Murder 1 and Murder 2 cases while New York still had the death penalty. Ms. Leisenring is fluent in Spanish and while at Brown, she studied at the University of Barcelona for one semester.

Ms. Leisenring will work in the criminal trial group and the civil rights group.

Areas of Practice

  • 85% Criminal Defense
  • 10% Immigration
  • 5% Civil Law

Litigation Percentage

  • 100% of Practice Devoted to Litigation

Bar Admissions

  • New York, 2008


  • Benjamin N. Cardozo School of Law, New York, New York
    • J.D. - 2006
  • Brown University, Providence, Rhode Island
    • B.A.
    • Honors: With Honors,Sigman Delta Pi, National Honors Society in Hispanic Studes
    • Major: English & American Literature & Hispanic Literature & Culture

Representative Clients

  • Received acquittals in felony gun possession cases where her clients were facing up to 15 years and where the prosecution presented eyewitness testimony from police officers and detectives. Has gotten acquittals on numerous trials, including a harassment case where the complainant was a police officer, and a burglary case involving three eyewitnesses where the client faced the possibility of a lifetime sentence.
  • Successfully litigated a multitude of hearings, convincing a judge to suppress a handwritten, mirandized confession on the basis that it was obtained coercively; on a robbery matter, where the client faced 25 years, managed to get the identification of her client by the only eyewitness suppressed on the grounds that the lineup was unduly suggestive.
  • Convinced the court to dismiss a drug possession matter in the interest of justice, by way of a ‘Clayton Motion,’ which addressed mitigating factors, including police brutality, the accused’s life history, and inconsistencies in the police reports.
  • Has prepared and advised clients to testify in the Grand Jury, which resulted in numerous No True Bills-- the Grand Jury’s dismissal of the charges--in cases ranging from Rape, Assault, Robbery, and Drug Possession.

Professional Associations and Memberships

  • ALLA, Member, 2006 - 2012
  • Five Borough Defense, Member, 2011 - 2012
  • NACDL, Member, 2012

Past Employment Positions

  • The Innocence Project, Legal Intern, 2004 - 2005
  • Criminal Defense Clinic, Benjamin N. Cardozo School of Law, Legal Intern, 2005 - 2006
  • The Legal Aid Society, Criminal Defense Practice, Staff Attorney, 2006 - 2012


  • Spanish
  • English

Practice Areas:

Office Location

Barket Marion Epstein & Kearon, LLP
666 Old Country Road - 7th Floor
Garden City, NY 11530
Phone: 516-745-1500
Fax: 516-745-1245
Map and Directions

Barket Marion Epstein & Kearon, LLP

5 Columbus Circle, Suite 710
New York, NY 10019
Phone: 212-972-1710
Map and Directions

Located in Garden City, we serve clients throughout Long Island and New York City, including Nassau County, Suffolk County, Queens (Queens County), Brooklyn (Kings County), Manhattan (New York County), The Bronx (Bronx County) and Staten Island (Richmond County).

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