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Mark R. Osherow

Attorney Profile

Top Rated Business Litigation Attorney in Boca Raton, FL

Osherow PLLC
2101 N.W. Corporate Blvd., Suite 410
Boca Raton, FL 33431
Phone: 561-257-0880
Fax: 561-405-3158
Selected to Super Lawyers: 2007 - 2022
Licensed in Florida Since: 1994
Practice Areas: Business Litigation, Construction Litigation: Business, Alternative Dispute Resolution, Civil Litigation: Plaintiff, Employment Litigation: Defense, Estate & Trust Litigation
Attorney Profile

The founder of Osherow, PLLC, Mark R. Osherow focuses his practice on a variety of civil litigation matters. From the firm's office in Boca Raton, Florida, he provides representation to individuals and businesses throughout the southern part of the state. Certified as a specialist in business litigation by The Florida Bar, Mr. Osherow is admitted to practice before all Florida, Connecticut, New York, and New Jersey state courts. He is also admitted to practice before the U.S. District Courts for the Southern, Middle, and Northern districts of Florida as well as before several other federal trial courts. At the appellate level, Mr. Osherow is admitted to practice before the U.S. Court of Appeals for the 11th Circuit and the Supreme Court of the United States.

In his career that has lasted for more than 30 years, Mr. Osherow has handled a variety of business disputes and related matters both in court as well as through mediation and arbitration. These have included trade secret misappropriation, noncompete agreement breaches, and shareholder and partnership disputes. Mr. Osherow's real estate experience has encompassed landlord-tenant matters, residential real estate fraud and title disputes, and his intellectual property background has included copyright and trademark infringement. He has also represented companies in labor and employment law matters.

Mr. Osherow's successful track record in all of these endeavors have earned him the respect of his colleagues, including an AV Preeminent* peer review rating through Martindale-Hubbell and a 10.0 "Superb" peer review rating through Avvo. He has also been selected for inclusion in the Best Lawyers in America each year since 2014. Mr. Osherow has had several articles published on topics related to his practice areas, and he is often asked to deliver presentations to groups of fellow attorneys. He received his Juris Doctor in 1988 from the Benjamin N. Cardozo School of Law.

*AV®, AV Preeminent®, Martindale-Hubbell Distinguished and Martindale-Hubbell Notable are certification marks used under license in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell® is the facilitator of a peer review rating process. Ratings reflect the anonymous opinions of members of the bar and the judiciary. Martindale-Hubbell® Peer Review Rating™ fall into two categories – legal ability and general ethical standards.

Practice Areas
  • 40%Business Litigation
  • 20%Construction Litigation: Business
  • 10%Alternative Dispute Resolution
  • 10%Civil Litigation: Plaintiff
  • 10%Employment Litigation: Defense
  • 10%Estate & Trust Litigation
Focus Areas

Trade Secret, Non-Compete Agreements, Construction Defects, Arbitration, Mediation, Employment Discrimination, Wrongful Termination, Retaliation, Employment Law - Employer, Will Contests


16 Years Super Lawyers
  • Super Lawyers: 2007 - 2022

Certificates and Credentials

White Papers

About Mark R. Osherow

First Admitted: 1988, Connecticut

Professional Webpage:


Bar/Professional Activity

  • Florida Supreme Court Standard Jury Instructions Committee -- Business and Commerical Cases. The Standard Jury Instructions (SJI) Committee — Contract and Business Cases is a committee consisting of attorneys and judges who are appointed by the Florida Supreme Court and meet several times a year to review and amend the jury instructions used within civil courts regarding contract and business cases.
  • Chair, Fifteenth Judicial Circuit Grievance Committee
  • Member, Florida Bar Board of Legal Specialization and Education. Oversees all 27 areas of specialist certification in Florida. Board certification recognizes attorneys’ special knowledge, skills and proficiency in various areas of law and professionalism and ethics in practice. Established in 1982 by the Florida Supreme Court, board certification helps consumers identify specialists in various areas of law. "Evaluated for Professionalism and Tested for Expertise."
  • Florida Bar’s Standing Committee on the Unlicensed Practice of Law (UPL)
  • Co-Chair South Palm Beach County Bar Association, Professionalism Committee (2017-2018)
  • Past Chair, The Florida Bar Business Litigation Certification Committee
  • U.S. District Court, Southern, Eastern and Northern Districts of New York 
  • Palm Beach County Judicial Information Systems Policy Board Member
  • Former Member, Junior Achievement Board of Directors 
  • U.S. District Court, District of New Jersey 
  • U.S. District Court, Southern, Middle and Northern Districts of Florida 
  • U.S. Court of Appeals, Eleventh Circuit 
  • U.S. Supreme Court 
  • New Jersey, 1990
  • New York, 1989
  • Connecticut, 1988
  • Florida, 1994
  • Member, Judicial Information Systems Policy Board, Palm Beach County., 2008
  • Past President, South Palm Beach County Bar Association, 2015-2016


  • Top 100 Miami Area Super Lawyers
  • Litigation/Civil Trial Finalist by Leaders in Law, 2014 
  • Trial Lawyers Care for his pro bono work with the September 11th Victim Compensation Fund
  • “Florida Legal Elite” by Florida Trend magazine, 2013 and 2014
  • “Florida Super Lawyer” by Super Lawyers magazine, 2007 – 2018 
  • “The Best Lawyers in America®”, 2014-2018 
  • AV Preeminent® Peer Review Rating with Martindale-Hubbell 
  • Excellence in Writing Award for 2003, The Florida Bar, 2004

Scholarly Lectures/Writings

  • “Electronic Discovery Basics – Part I Duty to Preserve,” The Advocate – South Palm Beach County Bar Association – Winter 2013/2014
  •  “Florida Medical Malpractice and the Statute of Limitations,” The Florida Bar Journal – July 2003 
  • “Counsel Beware: Considerations Before Implementing Florida’s Civil Theft Statute,” The Florida Bar Journal – March 2003
  • “Metatags and Keyword Tags in Business and Trademark Litigation,” The Advocate: South Palm Beach County Bar Association – Fall 2013 
  • “Ownership of Contacts on LinkedIn,” The Advocate – South Palm Beach County Bar Association – Summer 2014
  • “Procuring Cause: When is a Broker Wrongfully Excluded from the Deal?” The Advocate – South Palm Beach County Bar Association – Winter 2018 
  • “Clear and Unambiguous Exculpatory Clauses for Recreational Activities,” The Advocate – South Palm Beach County Bar Association – Fall 2015 
  • “Electronic Discovery Basics (Part II): ESI Collection, Analysis and Production," The Advocate – South Palm Beach County Bar Association – Spring 2015 
  • “The Legal Edges of Employee Computer Use,” Daily Business Review – February 2015 
  • “Discovery Concerning Consulting Experts,” The Advocate – South Palm Beach County Bar Association – Winter 2015 
  • “The Defend Trade Secrets Act of 2016 New Federal Protection for Trade Secret Misappropriation”, The Advocate- South Palm Beach County Bar Association – Fall 2016 
  • “What Employers and Employees in Florida and the Eleventh Circuit Need to Know about Computer Use and Access Under the Computer Fraud and Abuse Act,” The Advocate – South Palm Beach County Bar Association – Winter 2015 

Pro bono/Community Service

  • 15th Judicial Circuit Pro Bono Committee

Educational Background

  • University of Pennsylvania, B.A., 1985

Special Licenses/Certifications

  • Florida Supreme Court Certified Circuit Civil Mediator, 2006
  • Florida Bar Board Certified Business Litigation, 2006
  • Qualified Arbitrator

Other Outstanding Achievements

  • Vice Chair, Business Litigation Certification Committee, The Florida Bar, 2011
  • The Florida Bar, Chair, Grievance Committee 15 "G", 2009
  • Chair, Business Litigation Certification Committee, The Florida Bar, 2012

Industry Groups

  • Healthcare
  • Hospitality
  • Internet
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Office Location for Mark R. Osherow

2101 N.W. Corporate Blvd.
Suite 410
Boca Raton, FL 33431

Phone: 561-257-0880

Fax: 561-405-3158

Last Updated: 5/15/2022

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