Atty. John Frederick Heil

Atty. John Frederick Heil

John Frederick Heil is a lawyer practicing business litigation, intellectual property, trade secrets and 6 other areas of law. John received a B.S. degree from Oklahoma State University in 1990, and has been licensed for 32 years.

Tulsa Tulsa 32 yrs experience 32 year
Call (539) 302-5013 Book Appointment

Business Litigation & More Attorney · Serving Tulsa, OK · 32+ Years Experience

Profile Summary

About John Frederick Heil at a Glance

John Frederick Heil is a Shareholder based in Tulsa, Oklahoma, practicing at Hall Estill. They have 32+ years of legal experience, licensed to practice since 1994. Their practice focuses on trademark, business, ip, trade secrets, and litigation. Admitted to practice in Oklahoma (1994), U.S. District Court, Northern, Western and Eastern Districts of Oklahoma (1995), U.S. Court of Appeals, Eighth Circuit (2001), and U.S. Court of Appeals, Tenth Circuit (2001). Educated at University of Tulsa (J.D., 1994) and Oklahoma State University (B.S. Finance, 1990). Recognitions include BV Distinguished. Active member of Tulsa County, Oklahoma and American Bar Associations American Inns of Court. Serves clients in Tulsa, OK and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About John Frederick Heil

  • John Frederick Heil is a lawyer practicing business litigation, intellectual property, trade secrets and 6 other areas of law
  • John received a B.S. degree from Oklahoma State University in 1990, and has been licensed for 32 years
  • John practices at Hall Estill in Tulsa, OK

Practice Areas Explained

John Frederick Heil's Areas of Legal Practice

Each practice area below reflects the types of cases John Frederick Heil handles, with a practical overview of what that area of law involves and how it may apply to your situation in Tulsa.

Trademark Law in Tulsa

John Frederick Heil is one of 23,086 trademark attorneys indexed nationally. Browse trademark attorneys in Oklahoma →

Business & Corporate Law in Tulsa

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

John Frederick Heil is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Oklahoma →

Intellectual Property in Tulsa

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

John Frederick Heil is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Oklahoma →

Trade Secrets in Tulsa

John Frederick Heil is one of 6,604 trade secrets attorneys indexed nationally. Browse trade secrets attorneys in Oklahoma →

Civil Litigation in Tulsa

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

John Frederick Heil is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in Oklahoma →

Jurisdictional Context

Why Local Counsel Matters in Tulsa

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 Tulsa 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 venue, 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.

Tulsa Courts and Legal Process

Choosing a Tulsa-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

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

Frequently Asked

Common Questions About John Frederick Heil

Where is John Frederick Heil's law office located?
John Frederick Heil's law practice is located in Tulsa, Oklahoma. The firm is Hall Estill. You can contact the office directly through this profile page.
What practice areas does John Frederick Heil handle?
John Frederick Heil focuses on trademark, business, ip, trade secrets, litigation. Each practice area listed reflects experience handling cases of that type in Oklahoma.
How long has John Frederick Heil practiced law?
John Frederick Heil has 32+ years of legal experience and has been licensed since 1994.
Where did John Frederick Heil go to law school?
John Frederick Heil earned their education at (J.D., 1994); (B.S. Finance, 1990).
How can I contact John Frederick Heil for a consultation?
You can contact John Frederick Heil 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 Frederick Heil received?
John Frederick Heil's notable recognition includes: BV Distinguished.

Professional Profile

Why Clients in Tulsa Choose John Frederick Heil

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish John Frederick Heil's practice in the field of trademark, business, ip, trade secrets, and litigation.

Decade-Tested Legal Experience

John Frederick Heil brings 32+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in Oklahoma, U.S. District Court, Northern, Western and Eastern Districts of Oklahoma, and U.S. Court of Appeals, Eighth Circuit, John Frederick Heil can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering trademark, business, and ip, John Frederick Heil can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Tulsa

A Tulsa-based practice means John Frederick Heil attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues John Frederick Heil Handles in Tulsa

Below is a representative sample of the types of matters John Frederick Heil has experience with under Oklahoma law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business
Trademark registration
IP
Copyright infringement defense
IP
Patent prosecution
IP
Trade secret protection
IP

This list is illustrative, not exhaustive. Contact John Frederick Heil directly to discuss the specifics of your situation.

Search Reference

How People Find John Frederick Heil Online

Prospective clients searching for legal help in Tulsa commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like John Frederick Heil.

John Frederick Heil attorney John Frederick Heil lawyer John Frederick Heil Tulsa John Frederick Heil Oklahoma John Frederick Heil reviews John Frederick Heil contact Hall Estill law firm trademark attorney in Tulsa trademark lawyer Tulsa best trademark attorney Tulsa top rated trademark lawyer near me trademark attorney Oklahoma find a lawyer near me how to hire an attorney

If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with John Frederick Heil directly.

Education & Law School Background

J.D.
University of Tulsa
- 1994
B.S. Finance
Oklahoma State University
- 1990

Awards & Professional Honors

BV Distinguished

Bar Admissions & Licensed Jurisdictions

Oklahoma
Admitted: 1994
U.S. District Court, Northern, Western and Eastern Districts of Oklahoma
Admitted: 1995
U.S. Court of Appeals, Eighth Circuit
Admitted: 2001
U.S. Court of Appeals, Tenth Circuit
Admitted: 2001
U.S. Court of Appeals, Ninth Circuit
Admitted: 2003

Client Reviews & Ratings — John Frederick Heil

4.5
1 Review
5 0
4 0
3 0
2 0
1 0
These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.