Filing a trademark, patent, or copyright in Oklahoma City - or defending one? IP is its own specialty.

Top 10 Trademark and IP Lawyers in Oklahoma City

Oklahoma IP work runs through the U.S. Patent and Trademark Office (USPTO), the U.S. Copyright Office, the Trademark Trial and Appeal Board (TTAB), the Patent Trial and Appeal Board (PTAB), and federal IP litigation in the U.S. District Court for the Western District of Oklahoma. The firms below all have verifiable Oklahoma City presence, USPTO-registered patent attorneys (where applicable), and active trademark and copyright practices.

IP work is its own specialty. Federal trademark and patent prosecution requires technical USPTO knowledge that most general business lawyers do not have. Copyright is simpler but still benefits from specialist drafting. IP litigation in the Western District of Oklahoma runs on the same federal rules as anywhere else, but discovery, claim construction, and damages experts add costs that surprise first-time IP litigants.

These 10 firms are filtered against Chambers USA Intellectual Property Oklahoma, Best Lawyers Best Law Firms 2026, Super Lawyers Oklahoma IP, and USPTO registration records. Each firm has an active Oklahoma City IP practice. Patent prosecution requires a USPTO-registered patent attorney - confirm that the firm has one before engaging.

How we picked these 10: We reviewed peer rankings (Chambers USA, Best Lawyers, Super Lawyers, Avvo, Martindale-Hubbell, Justia), bar association recognition, and published case results. Firms that appeared consistently across at least two independent sources made the list. We do not accept payment for placement, and we do not write sponsored reviews. More on our methodology →

1

Dunlap Codding

609 W Sheridan Ave, Oklahoma City, OK 73102 Founded 1957 (Oklahoma City) Mid (~25 attorneys; OKC HQ; IP-only)

Practice focus: Patent prosecution and litigation, trademark prosecution and litigation, copyright, trade secrets, IP licensing

Oklahoma City IP boutique. The state's leading dedicated IP firm. Nicholas D. Rouse named Oklahoma Trademark Lawyer of the Year for 2026. Six attorneys (Marc A. Brockhaus, Emily E. Campbell, Ann M. Robl, Nicholas D. Rouse, Douglas J. Sorocco, Barbara Krebs Yuill) selected for Best Lawyers in America 2026. Chambers USA Oklahoma Intellectual Property.

Fee structure
Hourly / flat
Free consultation
Initial inquiry
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2

McAfee & Taft A Professional Corporation

Two Leadership Square, 211 N Robinson, Oklahoma City, OK 73102 Founded 1950 (Oklahoma City HQ) Large (~250 attorneys; OKC HQ)

Practice focus: Patent prosecution, trademark prosecution and enforcement, copyright, trade secrets, advertising/media, IP litigation

One of the largest IP practice groups in the state. Full range of legal services across patent, trademark, copyright, and trade secret law, plus entertainment, advertising, media, computer, and Internet law. Chambers USA Oklahoma Intellectual Property. Best Lawyers Best Law Firms 2026.

Fee structure
Hourly / flat
Free consultation
Initial inquiry
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3

Crowe & Dunlevy

Braniff Building, 324 N Robinson Ave, Suite 100, Oklahoma City, OK 73102 Founded 1902 (Oklahoma City HQ) Large (~150+ attorneys; OKC HQ)

Practice focus: Patents, trademarks, copyrights, trade secrets, IT/IP licensing, domain disputes, franchising, IP litigation

Full-service practice catering to transactional and contentious IP requirements. Highly experienced in licensing of IT assets and management of global patent and trademark portfolios. Best Lawyers most Tier 1 rankings in Oklahoma 2026 (16th consecutive year). Chambers USA Oklahoma Intellectual Property.

Fee structure
Hourly / flat
Free consultation
Initial inquiry
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4

Fellers Snider

100 N Broadway Ave, Suite 1700, Oklahoma City, OK 73102 Founded 1968 (Oklahoma City) Mid (~45 attorneys; OKC HQ)

Practice focus: Patent prosecution and litigation, trademark prosecution and litigation, trade dress, copyright, trade secrets, unfair competition

Oklahoma City firm. Provides cost-effective representation in all manner of intellectual property cases, including patents, trademarks, trade dress, copyrights, trade secrets, and unfair competition. Depth of experience expected from leading national firms with the efficiency and value of Oklahoma-based counsel.

Fee structure
Hourly / flat
Free consultation
Initial inquiry
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5

Phillips Murrah P.C.

Corporate Tower, 13th Floor, 101 N Robinson Ave, Oklahoma City, OK 73102 Founded 1986 (Oklahoma City HQ) Mid/Large (~75 attorneys; OKC HQ)

Practice focus: Patent prosecution, trademark prosecution, copyright, IP licensing, IP litigation, international trademark protection

Oklahoma City-headquartered business firm with an active IP Practice Group chaired by Martin G. Ozinga, a USPTO-registered patent attorney. Practice covers patent, trademark, and copyright matters including international trademark protection, licensing, and assignment work.

Fee structure
Hourly / flat
Free consultation
Initial inquiry
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6

Hall Estill

100 N Broadway Ave, Suite 2900, Oklahoma City, OK 73102 Founded 1966 (Tulsa origin; OKC office) Large (~150 attorneys firmwide)

Practice focus: Patent and trademark prosecution, IP licensing, technology transactions, IP litigation, trade secrets

Full-service Oklahoma firm with a substantial Oklahoma City office. IP practice covers patent and trademark prosecution alongside transactional IP licensing work.

Fee structure
Hourly / flat
Free consultation
Initial inquiry
Request Free Consultation →
7

GableGotwals

BancFirst Tower, 100 N Broadway Ave, Suite 1500, Oklahoma City, OK 73102 Founded 1959 (Tulsa origin; OKC office) Large (~100 attorneys firmwide)

Practice focus: IP litigation, trademark prosecution, patent litigation, trade secrets, technology disputes

Full-service Oklahoma firm. Strong IP litigation bench with depth in patent, trademark, and trade-secret disputes. Recognized by Chambers USA, IFLR1000, Benchmark Litigation.

Fee structure
Hourly / flat
Free consultation
Initial inquiry
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8

Hartzog Conger Cason

201 Robert S. Kerr Ave, Suite 1600, Oklahoma City, OK 73102 Founded 1989 (Oklahoma City) Boutique (~40 attorneys; OKC HQ)

Practice focus: Trademark prosecution, copyright, IP licensing, technology transactions, trade secrets

Oklahoma City boutique. IP practice focused on transactional trademark and copyright work, IP licensing, and technology transactions - useful when IP is part of a larger M&A or financing deal. Best Lawyers Best Law Firms 2026.

Fee structure
Hourly / flat
Free consultation
Initial inquiry
Request Free Consultation →
9

Conner & Winters LLP

211 N Robinson, Suite 1700, Oklahoma City, OK 73102 Founded 1933 (Tulsa origin; OKC office) Large (~75 attorneys firmwide)

Practice focus: Trademark prosecution, IP licensing, technology transactions, IP litigation, trade secrets

Oklahoma firm with a substantial Oklahoma City office. IP work focused on transactional trademark, licensing, and technology transactions - particularly for energy, financial services, and middle-market clients.

Fee structure
Hourly / flat
Free consultation
Initial inquiry
Request Free Consultation →
10

Tomlinson Rust McKinstry Grable

1500 Two Leadership Square, 211 N Robinson, Oklahoma City, OK 73102 Founded 1990s (Oklahoma City) Boutique (~15-25 attorneys; OKC)

Practice focus: Trademark prosecution, copyright, IP licensing, trade secrets, IP litigation, entertainment law

Oklahoma City litigation boutique with an active IP and entertainment practice. Useful for trademark prosecution and IP licensing matters where boutique attention and pricing are preferred over AmLaw scale.

Fee structure
Hourly / flat
Free consultation
Initial inquiry
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What to expect from a Oklahoma City ip / trademarks matter

Federal trademark registration through the USPTO: 10 to 14 months from filing to registration (longer if office actions or opposition). Federal patent application: 18 to 36 months for first office action; 2 to 4 years to final issuance. IP infringement litigation in the Western District of Oklahoma: 18 to 36 months through trial. Trademark opposition proceedings before the TTAB: 12 to 24 months. Cease-and-desist negotiation: 4 to 12 weeks. Patent reexamination or IPR before the PTAB: 12 to 18 months.

What a ip / trademarks lawyer in Oklahoma City typically costs

Oklahoma City ranges for 2026: trademark application (one mark, one class) $1,200-$3,000 flat (USPTO fee additional); trademark office action response $1,200-$4,500; trademark opposition $20,000-$65,000+; cease-and-desist letter $1,500-$6,000; copyright registration $350-$1,200; patent application (utility, single embodiment) $7,500-$18,000; patent application (complex) $18,000-$45,000+; IP litigation (patent or trademark, mid-size case) $400,000-$4,000,000+ through trial; IPR proceeding $175,000-$650,000.

Red flags to watch for when picking a ip / trademarks lawyer in Oklahoma City

Most Oklahoma City firms doing this work are competent. A few patterns predict trouble.

Guaranteed outcomes. No ethical attorney can guarantee a result. If a firm promises a specific outcome, walk away.

The disappearing partner. You meet a senior partner at intake, then never speak to them again. The matter is handled by an unsupervised junior or paralegal. Ask in writing who will be your day-to-day attorney.

Pressure to sign immediately. Reputable firms give you the engagement letter in writing, time to read it, and the option to take it home. High-pressure intake is almost always a sign of a volume mill, not a careful practice.

No verifiable track record. The firm should be able to point to verdicts, settlements, peer rankings, or bar recognition. Specific numbers, named matters, and third-party rankings are evidence. Brochure phrasing is not.

Vague fee terms. "Do not worry about cost" is a red flag. Every legitimate Oklahoma City firm will give you a written engagement letter with the fee structure, what is covered, what triggers extra charges, and what happens if you change counsel.

10 questions to ask in your free consultation

Most Oklahoma City firms on this list offer a free or low-cost initial inquiry call. Use it. Bring a list of questions and write down the answers. Compare across at least two firms before you sign.

  1. Who, specifically, will handle my matter day-to-day? Get a name. Get an email.
  2. How many matters like mine have you handled in the last three years? You want a number, not a brochure line.
  3. What is your fee, and what does it cover? Get the answer in writing before you sign.
  4. What case expenses am I responsible for, and when? Out-of-pocket costs surprise people. Ask now.
  5. What is the realistic range of outcomes for a matter like mine? A good lawyer will give you a range. A bad one will promise the high end.
  6. How long will it take? Honest estimate, with the assumptions stated.
  7. Who else might be involved? Experts? Co-counsel? Larger matters routinely involve outside experts. Know who is on the team.
  8. How and how often will I hear from you? Email-only? Calls? Monthly updates? Set the expectation now.
  9. What happens if I want to change lawyers later? Rules allow it; the fee is sorted between firms. Make sure you understand the mechanics.
  10. What is the worst-case outcome for my matter? A lawyer who refuses to discuss downside risk is selling you something.

Frequently asked questions

Do I need to register my trademark federally?

Not legally - common-law rights exist in the geographic area of use. But federal registration provides nationwide constructive notice, the ability to sue in federal court, statutory damages, customs enforcement against counterfeit imports, and incontestability after 5 years. Federal registration is recommended for any commercial brand.

Should I file a trademark before launching?

Yes - an intent-to-use application reserves your priority date before you actually use the mark in commerce. Once you launch, you file a Statement of Use. The full process takes 10 to 14 months.

How much does a US patent application cost?

USPTO filing fees for a small entity start at about $830. Attorney fees for drafting a utility patent application run $7,500 to $18,000 for a simple invention, $18,000 to $45,000+ for complex inventions. Office action responses add $2,000 to $7,500. Issue fees and maintenance fees add another $5,000+ over the patent's life.

What's the difference between a patent and a trademark?

A patent protects a functional invention (utility patent) or ornamental design (design patent). A trademark protects a brand identifier (name, logo, slogan). Patents expire (20 years for utility, 15 for design); trademarks last indefinitely as long as you keep using them and renew.

Does Oklahoma have a state trademark registry?

Yes - the Oklahoma Secretary of State maintains a state trademark registry under Title 78 Section 21 et seq. State registration is cheaper than federal but provides only Oklahoma rights. Most commercial brands skip state registration and go directly to federal.

What is the trademark opposition process?

After a USPTO trademark application publishes for opposition, any party who believes they will be damaged has 30 days to oppose. Opposition proceedings are decided by the Trademark Trial and Appeal Board (TTAB). The process resembles litigation but is administrative.

What is the patent inter partes review (IPR) process?

IPR is a USPTO post-grant proceeding before the Patent Trial and Appeal Board (PTAB) where a party can challenge an issued patent's validity. Less expensive than district court litigation and faster (12 to 18 months). Commonly used as a counter-strategy in patent litigation.

Can I file my own trademark?

Yes - the USPTO accepts pro se filings. But the trademark identification of goods/services, classification, specimen requirements, and office action responses are technical. Errors at filing can be expensive or fatal to the application. Most commercial brands hire counsel.

How do I enforce my trademark?

Three escalating steps: (1) cease-and-desist letter ($1,500 to $6,000), (2) TTAB opposition or cancellation if the conflicting mark is at USPTO ($20,000 to $65,000+), (3) federal court infringement litigation ($400,000+). Most infringement matters resolve at step 1 or 2.

What about international trademarks?

Two paths: file directly in each country (expensive but tailored) or file a Madrid Protocol application through the USPTO that designates multiple countries. Madrid is administratively simpler but has classification limits. Pick a firm with international trademark experience for any non-US brand expansion.

One last thing. Choosing a lawyer is personal. Read the reviews. Call two or three firms before you sign. Ask each one: How many matters like mine have you handled in the last three years? The answer tells you everything. — The LawFirmSquare team