Atty. William Alan Johnson

Atty. William Alan Johnson

William Alan Johnson is a lawyer practicing business & corporate, contracts, federal criminal practice and 6 other areas of law. William received a B.A. degree from University of Oklahoma in 1973, and has been licensed for 49 years.

Oklahoma City Oklahoma City 49 yrs experience 49 year
Call (572) 213-0325 Book Appointment

Profile Summary

About William Alan Johnson at a glance

William Alan Johnson is a Partner based in Oklahoma City, Oklahoma, practicing at Hartzog Conger Cason, LLP. They have 49+ years of legal experience, licensed to practice since 1977. Their practice focuses on contracts, probate, business, tax, and federal crimes. Admitted to practice in Oklahoma (1977), U.S. District Court, Western District of Oklahoma (1978), U.S. Court of Appeals, Tenth Circuit (1981), and U.S. District Court, Eastern District of Oklahoma (1984). Educated at Oklahoma City University (J.D., 1977) and University of Oklahoma (B.A., 1973). Recognitions include BV Distinguished. Active member of Oklahoma County, Oklahoma and American Bar Associations Association of Trial Lawyers of America. Serands clients in Oklahoma City, OK and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William Alan Johnson is a lawyer practicing business & corporate, contracts, federal criminal practice and 6 other areas of law
  • William received a B.A. degree from University of Oklahoma in 1973, and has been licensed for 49 years
  • William practices at Hartzog Conger Cason, LLP in Oklahoma City, OK

Practice Areas Explained

William Alan Johnson's Areas of Practice

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

Contracts

William Alan Johnson is one of 76,762 contracts attorneys indexed nationally. Browse contracts attorneys in Oklahoma →

Probate

William Alan Johnson is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Oklahoma →

Business & Corporate Law

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

William Alan Johnson is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Oklahoma →

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

William Alan Johnson is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in Oklahoma →

Federal Crimes

William Alan Johnson is one of 6,773 federal crimes attorneys indexed nationally. Browse federal crimes attorneys in Oklahoma →

Jurisdictional Context

Why local counsel matters in Oklahoma

Practicing law in Oklahoma. Legal matters in Oklahoma are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Oklahoma City are typically filed in the local municipal court or the appropriate Oklahoma state district court, depending on subject matter and amount in controversy. An attorney licensed in Oklahoma 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 Oklahoma courts without local counsel or pro hac vice admission.

Looking for additional Oklahoma attorneys? Browse all attorneys in Oklahoma City or all attorneys in Oklahoma.

Frequently Asked

Common questions about William Alan Johnson

Where is William Alan Johnson's law office located?
William Alan Johnson's law practice is located in Oklahoma City, Oklahoma. The firm is Hartzog Conger Cason, LLP. You can contact the office directly through this profile page.
What practice areas does William Alan Johnson handle?
William Alan Johnson focuses on contracts, probate, business, tax, federal crimes. Each practice area listed reflects experience handling cases of that type in Oklahoma.
How long has William Alan Johnson practiced law?
William Alan Johnson has 49+ years of legal experience and has been licensed since 1977.
Where did William Alan Johnson go to law school?
William Alan Johnson earned their education at (J.D., 1977); (B.A., 1973).
How can I contact William Alan Johnson for a consultation?
You can contact William Alan Johnson 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 William Alan Johnson received?
William Alan Johnson's notable recognition includes: BV Distinguished.

Education

J.D.
Oklahoma City University
- 1977
B.A.
University of Oklahoma
- 1973

Awards

BV Distinguished

Bar Admissions

Oklahoma
Admitted: 1977
U.S. District Court, Western District of Oklahoma
Admitted: 1978
U.S. Court of Appeals, Tenth Circuit
Admitted: 1981
U.S. District Court, Eastern District of Oklahoma
Admitted: 1984

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