Atty. David S. O'Neil

Atty. David S. O'Neil

Mr. David S.

Spring Spring 44 yrs experience 44 year
Call (346) 525-2690 Book Appointment

Profile Summary

About David S. O'Neil at a glance

David S. O'Neil is a Member based in Spring, Texas, practicing at O'Neil & McConnell, P.L.L.C.. They have 44+ years of legal experience, licensed to practice since 1982. Their practice focuses on patent, trademark, copyright, personal injury, and business. Admitted to practice in Texas US Supreme Court Fifth Circuit Court of Appeals Texas Western District Court Texas Eastern Dis (1982). Educated at University Of Houston (LL.M. South, 2005) and University Of Houston(M.L., 1982 University Of Houston(M.L. (—). Active member of Houston Bar Association State Bar of Texas. Serands clients in Spring, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. David S. O'Neil is a lawyer practicing intellectual property, patents, information and 16 other areas of law
  • David received a degree from University Of Houston(M.L., 1982, and has been licensed for 44 years
  • David practices at O'Neil & McConnell, P.L.L.C. in Spring, TX

Practice Areas Explained

David S. O'Neil's Areas of Practice

Each practice area below reflects the types of cases David S. O'Neil handles, with a brief overview of what that area of law covers.

Patent Law

David S. O'Neil is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Texas →

Trademark Law

David S. O'Neil is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in Texas →

Copyright Law

David S. O'Neil is one of 17,495 copyright attorneys indexed nationally. Browse copyright 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 S. O'Neil is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Texas →

Business & Corporate Law

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

David S. O'Neil is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Texas →

Jurisdictional Context

Why local counsel matters in Texas

Practicing 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 Spring 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 Spring or all attorneys in Texas.

Frequently Asked

Common questions about David S. O'Neil

Where is David S. O'Neil's law office located?
David S. O'Neil's law practice is located in Spring, Texas. The firm is O'Neil & McConnell, P.L.L.C.. You can contact the office directly through this profile page.
What practice areas does David S. O'Neil handle?
David S. O'Neil focuses on patent, trademark, copyright, personal injury, business. Each practice area listed reflects experience handling cases of that type in Texas.
How long has David S. O'Neil practiced law?
David S. O'Neil has 44+ years of legal experience and has been licensed since 1982.
Where did David S. O'Neil go to law school?
David S. O'Neil earned their education at (LL.M. South, 2005); (—).
How can I contact David S. O'Neil for a consultation?
You can contact David S. O'Neil 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

LL.M. South
University Of Houston
- 2005
University Of Houston(M.L., 1982 University Of Houston(M.L.
- In Progress

Bar Admissions

Texas US Supreme Court Fifth Circuit Court of Appeals Texas Western District Court Texas Eastern Dis
Admitted: 1982

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