Atty. David John Madigan

Atty. David John Madigan

Mr. David John Madigan is a lawyer practicing insurance defense, personal injury, litigation and 5 other areas of law.

Lake Oswego Lake Oswego 25 yrs experience 25 year
Call (971) 414-3950 Book Appointment

Profile Summary

About David John Madigan at a glance

David John Madigan is a Member based in Lake Oswego, Oregon, practicing at Cooney Cooney and Madigan. They have 25+ years of legal experience, licensed to practice since 2001. Their practice focuses on personal injury, business, ip, litigation, and health care. Admitted to practice in Oregon (2001), U.S. District Court, District of Oregon (2002), and Washington (2010). Educated at Northwestern School of Law (J.D., 2001) and Portland State University (B.S., 1995). Active member of Multnomah County Bar Association Clackamas Bar Association Oregon State Bar Oregon Association of Defense Counsel. Serands clients in Lake Oswego, OR and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. David John Madigan is a lawyer practicing insurance defense, personal injury, litigation and 5 other areas of law
  • David received a B.S. degree from Portland State University in 1995, and has been licensed for 25 years
  • David practices at Cooney Cooney and Madigan in Lake Oswego, OR

Practice Areas Explained

David John Madigan's Areas of Practice

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

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 John Madigan is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Oregon →

Business & Corporate Law

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

David John Madigan is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Oregon →

Intellectual Property

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

David John Madigan is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Oregon →

Civil Litigation

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

David John Madigan 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 John Madigan 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 Lake Oswego 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 Lake Oswego or all attorneys in Oregon.

Frequently Asked

Common questions about David John Madigan

Where is David John Madigan's law office located?
David John Madigan's law practice is located in Lake Oswego, Oregon. The firm is Cooney Cooney and Madigan. You can contact the office directly through this profile page.
What practice areas does David John Madigan handle?
David John Madigan focuses on personal injury, business, ip, litigation, health care. Each practice area listed reflects experience handling cases of that type in Oregon.
How long has David John Madigan practiced law?
David John Madigan has 25+ years of legal experience and has been licensed since 2001.
Where did David John Madigan go to law school?
David John Madigan earned their education at (J.D., 2001); (B.S., 1995).
How can I contact David John Madigan for a consultation?
You can contact David John Madigan 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.
Northwestern School of Law
- 2001
B.S.
Portland State University
- 1995

Bar Admissions

Oregon
Admitted: 2001
U.S. District Court, District of Oregon
Admitted: 2002
Washington
Admitted: 2010

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