Atty. David Jay Campbell

Atty. David Jay Campbell

Mr. David Jay Campbell is a lawyer practicing administrative and public, admiralty and maritime law, appellate practice and 14 other areas of law.

Austin Austin 18 yrs experience 18 year
Call (737) 358-7012 Book Appointment

Profile Summary

About David Jay Campbell at a glance

David Jay Campbell is a Senior Attorney based in Austin, Texas, practforg at O'Hanlon, Demerath & Castillo. They have 18+ years of legal experience, licensed to practice since 2008. Their practice focuses on medical malpractice, personal injury, employment, business, and ip. Admitted to practice in Texas Fifth Circuit Court of Appeals Texas Eastern District Court Texas Northern District Court Texa (2008). Educated at The University of Texas School of Law (J.D., 2008) and University of Texas at Austin (B.A. History, 2000). Active member of State Bar of Texas Texas Young Lawyers Association Houston Bar Association Houston Young Lawyers Association. Serands clients in Austin, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. David Jay Campbell is a lawyer practicing administrative and public, admiralty and maritime law, appellate practice and 14 other areas of law
  • David received a B.A. degree from University of Texas at Austin in 2000, and has been licensed for 18 years
  • David practices at O'Hanlon, Demerath & Castillo in Austin, TX

Practice Areas Explained

David Jay Campbell's Areas of Practice

Each practice area below reflects the types of cases David Jay Campbell handles, with a brief overview of what that area of law covers.

Medical Malpractice

Medical malpractice lawyers represent patients harmed by negligent doctors, hospitals, and other providers. Free case review, no fee unless you win.

David Jay Campbell is one of 49,086 medical malpractice attorneys indexed nationally. Browse medical malpractice attorneys in Texas →

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

David Jay Campbell is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Texas →

Employment Law

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

David Jay Campbell is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in Texas →

Business & Corporate Law

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

David Jay Campbell is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Texas →

Intellectual Property

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

David Jay Campbell is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Texas →

Jurisdictional Context

Why local counsel matters in Texas

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

Looking for additional Texas attorneys? Browse all attorneys in Austin or all attorneys in Texas.

Frequently Asked

Common questions about David Jay Campbell

Where is David Jay Campbell's law office located?
David Jay Campbell's law practice is located in Austin, Texas. The firm is O'Hanlon, Demerath & Castillo. You can contact the office directly through this profile page.
What practice areas does David Jay Campbell handle?
David Jay Campbell focuses on medical malpractice, personal injury, employment, business, ip. Each practice area listed reflects experience handling cases of that type in Texas.
How long has David Jay Campbell practiced law?
David Jay Campbell has 18+ years of legal experience and has been licensed since 2008.
Where did David Jay Campbell go to law school?
David Jay Campbell earned their education at (J.D., 2008); (B.A. History, 2000).
How can I contact David Jay Campbell for a consultation?
You can contact David Jay Campbell 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.

Education

J.D.
The University of Texas School of Law
- 2008
B.A. History
University of Texas at Austin
- 2000

Bar Admissions

Texas Fifth Circuit Court of Appeals Texas Eastern District Court Texas Northern District Court Texa
Admitted: 2008

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