Atty. John D. Mullen

Atty. John D. Mullen

John Mullen practices in the areas of labor and employment law and in securities litigation and arbitration. He advises and represents employers throughout Florida in the defense of age, race, gender, sexual harassment, disability, and FMLA discrimination and retaliation claims, in both federal and state court trial practice and in arbitration and administrative proceedings.

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Profile Summary

About John D. Mullen at a glance

John D. Mullen is an attorney based in Tampa, Florida, practforg at Phelps Dunbar LLP. Admitted to practice in Florida, The Florida Bar. Educated at New York University (J.D., 1994) and New College of Florida (BA, 1989). Recognitions include Best Lawyers in America — Employment Law - Management (2026), Best Lawyers in America — Litigation - Labor and Employment (2026), and Best Lawyers in America — Special Focus: (2026). Serands clients in Tampa, FL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Mullen practices in the areas of labor and employment law and in securities litigation and arbitration
  • He advises and represents employers throughout Florida in the defense of age, race, gender, sexual harassment, disability, and FMLA discrimination and retaliation claims, in both federal and state court trial practice and in arbitration and administrative proceedings
  • He also advises clients on a full range of employment-based immigration matters, and assists clients in obtaining visas for technical and professional employees and in navigating the requirements of U.S. immigration law
  • He regularly drafts and negotiates employment contracts, and litigates non-compete agreements and trade secret claims
  • Mr. Mullen also represents clients in defending securities and consumer class actions, directors’ and officers’ liability disputes and shareholder derivative actions, and other complex commercial matters in federal and state court
  • He represents securities firms and individuals in securities arbitration proceedings before self-regulatory organizations such as the Financial Industry Regulatory Authority (FINRA)

Jurisdictional Context

Why local counsel matters in Florida

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

Looking for additional Florida attorneys? Browse all attorneys in Tampa or all attorneys in Florida.

Frequently Asked

Common questions about John D. Mullen

Where is John D. Mullen's law office located?
John D. Mullen's law practice is located in Tampa, Florida. The firm is Phelps Dunbar LLP. You can contact the office directly through this profile page.
Where did John D. Mullen go to law school?
John D. Mullen earned their education at (J.D., 1994); (BA, 1989).
How can I contact John D. Mullen for a consultation?
You can contact John D. Mullen 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.
What awards or recognition has John D. Mullen receiandd?
John D. Mullen's notable recognition includes: Best Lawyers in America — Employment Law - Management; Best Lawyers in America — Litigation - Labor and Employment; Best Lawyers in America — Special Focus:; Best Lawyers in America — Management; Best Lawyers in America — Awards:.

Education

J.D.
New York University
- 1994
BA
New College of Florida
- 1989

Awards

Best Lawyers in America — Employment Law - Management
- 2026
Best Lawyers in America — Litigation - Labor and Employment
- 2026
Best Lawyers in America — Special Focus:
- 2026
Best Lawyers in America — Management
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — AV Preeminent Peer Review Rated by Martindale Hubbell
- 2026
Best Lawyers in America — Florida Trend Magazine "Legal Elite"
- 2026
Best Lawyers in America — Florida Super Lawyers
- 2026
Best Lawyers in America — The Best Lawyers in America
- 2026

Bar Admissions

Florida, The Florida Bar

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