Atty. David William O'Brien

Atty. David William O'Brien

Mr. David William O'Brien is a lawyer practicing litigation & trial, white collar & regulatory enforcement, privacy & cybersecurity and 3 other areas of law.

Portland Portland 51 yrs experience 51 year
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Profile Summary

About David William O'Brien at a glance

David William O'Brien is a Partner based in Portland, Oregon, practicing at Crowell Moring Llp. They have 51+ years of legal experience, licensed to practice since 1975. Their practice focuses on employment, white collar, whistleblower, litigation, and health care. Admitted to practice in Virginia (1975) and District of Columbia (1981). Educated at Georgetown University Law Center (J.D., 1975) and University of Notre Dame (B.A., 1972). Serands clients in Portland, OR and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. David William O'Brien is a lawyer practicing litigation & trial, white collar & regulatory enforcement, privacy & cybersecurity and 3 other areas of law
  • David received a B.A. degree from University of Notre Dame in 1972, and has been licensed for 51 years
  • David practices at Crowell & Moring LLP in Portland, OR

Practice Areas Explained

David William O'Brien's Areas of Practice

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

Employment Law

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

David William O'Brien is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in Oregon →

White Collar Crimes

David William O'Brien is one of 20,025 white collar attorneys indexed nationally. Browse white collar attorneys in Oregon →

Whistleblower & Retaliation

David William O'Brien is one of 3,552 whistleblower attorneys indexed nationally. Browse whistleblower attorneys in Oregon →

Civil Litigation

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

David William O'Brien is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Oregon →

Health Care Law

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

David William O'Brien is one of 66,735 health care attorneys indexed nationally. Browse health care attorneys in Oregon →

Jurisdictional Context

Why local counsel matters in Oregon

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

Looking for additional Oregon attorneys? Browse all attorneys in Portland or all attorneys in Oregon.

Frequently Asked

Common questions about David William O'Brien

Where is David William O'Brien's law office located?
David William O'Brien's law practice is located in Portland, Oregon. The firm is Crowell Moring Llp. You can contact the office directly through this profile page.
What practice areas does David William O'Brien handle?
David William O'Brien focuses on employment, white collar, whistleblower, litigation, health care. Each practice area listed reflects experience handling cases of that type in Oregon.
How long has David William O'Brien practiced law?
David William O'Brien has 51+ years of legal experience and has been licensed since 1975.
Where did David William O'Brien go to law school?
David William O'Brien earned their education at (J.D., 1975); (B.A., 1972).
How can I contact David William O'Brien for a consultation?
You can contact David William O'Brien 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.
Georgetown University Law Center
- 1975
B.A.
University of Notre Dame
- 1972

Bar Admissions

Virginia
Admitted: 1975
District of Columbia
Admitted: 1981

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