Atty. John P. Mullen

Atty. John P. Mullen

For almost twenty-five years, John has used his penchant for detail and skills as a zealous advocate to protect the rights of lenders, contractors and other creditors in state and bankruptcy court proceedings and trials. He also represents his business clients in real estate transactions and in asset or stock transfer sales.

Sioux Falls Sioux Falls 34 yrs experience 34 year
Call (531) 352-5058 Book Appointment

Profile Summary

About John P. Mullen at a glance

John P. Mullen is a Partner based in Sioux Falls, South Dakota, practicing at Boyce Law Firm, L.L.P.. They have 34+ years of legal experience, licensed to practice since 1992. Their practice focuses on business, creditor rights, litigation, and civil rights. Admitted to practice in South Dakota (1992), Nebraska (1993), and U.S. District Court, District of South Dakota (1993). Educated at University of Nebraska at Lincoln (J.D., 1992) and University of Nebraska at Lincoln (B.A. Herzen, 1988). Recognitions include BV Distinguished. Active member of State Bar of South Dakota. Serands clients in Sioux Falls, SD and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • For almost twenty-five years, John has used his penchant for detail and skills as a zealous advocate to protect the rights of lenders, contractors and other creditors in state and bankruptcy court proceedings and trials
  • He also represents his business clients in real estate transactions and in asset or stock transfer sales
  • John also has significant experience litigating shareholder disputes and post-employment restrictive covenant cases, including non-competition and non-solicitation matters

Practice Areas Explained

John P. Mullen's Areas of Practice

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

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

John P. Mullen is one of 501,317 business attorneys indexed nationally. Browse business attorneys in South Dakota →

Creditor Rights & Collections

John P. Mullen is one of 42,948 creditor rights attorneys indexed nationally. Browse creditor rights attorneys in South Dakota →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

John P. Mullen is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in South Dakota →

Civil Rights

Civil rights attorneys for discrimination, police misconduct, constitutional rights, and civil liberties cases.

John P. Mullen is one of 70,245 civil rights attorneys indexed nationally. Browse civil rights attorneys in South Dakota →

Jurisdictional Context

Why local counsel matters in South Dakota

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

Looking for additional South Dakota attorneys? Browse all attorneys in Sioux Falls or all attorneys in South Dakota.

Frequently Asked

Common questions about John P. Mullen

Where is John P. Mullen's law office located?
John P. Mullen's law practice is located in Sioux Falls, South Dakota. The firm is Boyce Law Firm, L.L.P.. You can contact the office directly through this profile page.
What practice areas does John P. Mullen handle?
John P. Mullen focuses on business, creditor rights, litigation, civil rights. Each practice area listed reflects experience handling cases of that type in South Dakota.
How long has John P. Mullen practiced law?
John P. Mullen has 34+ years of legal experience and has been licensed since 1992.
Where did John P. Mullen go to law school?
John P. Mullen earned their education at (J.D., 1992); (B.A. Herzen, 1988).
How can I contact John P. Mullen for a consultation?
You can contact John P. 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 P. Mullen received?
John P. Mullen's notable recognition includes: BV Distinguished.

Education

J.D.
University of Nebraska at Lincoln
- 1992
B.A. Herzen
University of Nebraska at Lincoln
- 1988

Awards

BV Distinguished

Bar Admissions

South Dakota
Admitted: 1992
Nebraska
Admitted: 1993
U.S. District Court, District of South Dakota
Admitted: 1993

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