Atty. David Michael Sullivan
David Michael Sullivan is a lawyer practicing franchising, intellectual property, international practice group and 1 other area of law. David received a B.S. degree from Oklahoma State University in 1997, and has been licensed for 26 years.
Franchising & More Attorney · Serving Oklahoma City, OK · 26+ Years Experience
Profile Summary
About David Michael Sullivan at a Glance
David Michael Sullivan is a Shareholder based in Oklahoma City, Oklahoma, practicing at Crowe And Dunlevy. They have 26+ years of legal experience, licensed to practice since 2000. Their practice focuses on ip, litigation, and international. Admitted to practice in Oklahoma (2000), U.S. District Court, Western District of Oklahoma (2000), U.S. Supreme Court (2004), and U.S. District Court, Northern District of Oklahoma U.S. Court of Appeals, Federal Circuit registered (2005). Educated at University of Oklahoma College of Law (J.D., 2000) and Oklahoma State University (B.S. Chemical, 1997). Recognitions include AV Preeminent. Serves clients in Oklahoma City, OK and the surrounding metropolitan area.
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About David Michael Sullivan
- David Michael Sullivan is a lawyer practicing franchising, intellectual property, international practice group and 1 other area of law
- David received a B.S. degree from Oklahoma State University in 1997, and has been licensed for 26 years
- David practices at Crowe & Dunlevy in Oklahoma City, OK
Practice Areas Explained
David Michael Sullivan's Areas of Legal Practice
Each practice area below reflects the types of cases David Michael Sullivan handles, with a practical overview of what that area of law involves and how it may apply to your situation in Oklahoma City.
Intellectual Property in Oklahoma City
IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.
David Michael Sullivan is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Oklahoma →
Civil Litigation in Oklahoma City
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
David Michael Sullivan is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in Oklahoma →
International Law in Oklahoma City
International law attorneys for cross-border transactions, trade, foreign investment, and treaties.
David Michael Sullivan is one of 39,787 international attorneys indexed nationally. Browse international attorneys in Oklahoma →
Jurisdictional Context
Why Local Counsel Matters in Oklahoma City
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 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.
Oklahoma City Courts and Legal Process
Choosing a Oklahoma City-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 Oklahoma City or all attorneys in Oklahoma.
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Professional Profile
Why Clients in Oklahoma City Choose David Michael Sullivan
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 David Michael Sullivan's practice in the field of ip, litigation, and international.
Decade-Tested Legal Experience
David Michael Sullivan brings 26+ 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, Western District of Oklahoma, and U.S. Supreme Court, David Michael Sullivan can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering ip, litigation, and international, David Michael Sullivan can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Oklahoma City
A Oklahoma City-based practice means David Michael Sullivan 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 David Michael Sullivan Handles in Oklahoma City
Below is a representative sample of the types of matters David Michael Sullivan 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.
This list is illustrative, not exhaustive. Contact David Michael Sullivan directly to discuss the specifics of your situation.
Search Reference
How People Find David Michael Sullivan Online
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David Michael Sullivan's Practice Areas & Specializations
Education & Law School Background
Awards & Professional Honors
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