Atty. Mitchell Willoughby

Atty. Mitchell Willoughby

Originally from Mullins, South Carolina, Mitch has practiced law for more than 38 years. Mitch began his practice as an attorney with the Public Service Commission of South Carolina, where he was engaged in facets of rate, compliance, safety and operational regulation of regulated utilities, telecommunications companies, and transportation carriers.

Call (803) 252-3300

Profile Summary

About Mitchell Willoughby at a glance

Mitchell Willoughby is a government attorney based in Columbia, South Carolina, practicing at Willoughby Humphrey & D’Antoni PA. Admitted to practice in South Carolina, South Carolina Bar. Educated at The University of South Carolina School of Law (J.D., 1975) and Clemson University (BS). Recognitions include Best Lawyers in America — Administrative / Regulatory Law (2026), Best Lawyers in America — Awards: (2026), and Best Lawyers in America — Peer Review Rated AV Preeminent in Martindale-Hubbell (2026). Serves clients in Columbia, SC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Originally from Mullins, South Carolina, Mitch has practiced law for more than 38 years
  • Mitch began his practice as an attorney with the Public Service Commission of South Carolina, where he was engaged in facets of rate, compliance, safety and operational regulation of regulated utilities, telecommunications companies, and transportation carriers
  • Since entering private practice in 1977, Mitch has assisted clients in matters involving litigation of business and contractual disputes
  • class action litigation from both the plaintiff's and defendant's perspective
  • litigation and arbitration on behalf of investors who have lost money in their securities, trust and financial accounts due to mismanagement or fraud
  • business transactions
  • acquisition of and disputes related to utility rights of way, easements, and other real property interests
  • administrative law cases involving health care licensing issues
  • and regulatory cases for companies providing gas, electric, telecommunications, water, sewer and common carrier services
  • Mitch is a certified arbitrator by the Financial Industry Regulatory Authority and the American Arbitration Association

Practice Areas Explained

Mitchell Willoughby's Areas of Practice

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

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

Mitchell Willoughby is one of 118,414 government attorneys indexed nationally. Browse government attorneys in South Carolina →

Jurisdictional Context

Why local counsel matters in South Carolina

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

Looking for additional South Carolina attorneys? Browse all attorneys in Columbia or all attorneys in South Carolina.

Frequently Asked

Common questions about Mitchell Willoughby

Where is Mitchell Willoughby's law office located?
Mitchell Willoughby's law practice is located in Columbia, South Carolina. The firm is Willoughby Humphrey & D’Antoni PA. You can contact the office directly through this profile page.
What practice areas does Mitchell Willoughby handle?
Mitchell Willoughby focuses on government. Each practice area listed reflects experience handling cases of that type in South Carolina.
Where did Mitchell Willoughby go to law school?
Mitchell Willoughby earned their education at (J.D., 1975); (BS).
How can I contact Mitchell Willoughby for a consultation?
You can contact Mitchell Willoughby 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 Mitchell Willoughby received?
Mitchell Willoughby's notable recognition includes: Best Lawyers in America — Administrative / Regulatory Law; Best Lawyers in America — Awards:; Best Lawyers in America — Peer Review Rated AV Preeminent in Martindale-Hubbell; Lawyer of the Year — Administrative / Regulatory Law, Columbia (SC); Lawyer of the Year — Administrative / Regulatory Law, Columbia (SC).

Education

J.D.
The University of South Carolina School of Law
- 1975
BS
Clemson University
- In Progress

Awards

Best Lawyers in America — Administrative / Regulatory Law
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — Peer Review Rated AV Preeminent in Martindale-Hubbell
- 2026
Lawyer of the Year — Administrative / Regulatory Law, Columbia (SC)
- 2018
Lawyer of the Year — Administrative / Regulatory Law, Columbia (SC)
- 2015

Bar Admissions

South Carolina, South Carolina Bar

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