Atty. Dean D. DeChaine

Atty. Dean D. DeChaine

Dean D. DeChaine is a lawyer practicing civil litigation, environmental, insurance and 1 other area of law.

Lake Oswego Lake Oswego 62 yrs experience 62 year
Call (971) 449-0239 Book Appointment

Profile Summary

About Dean D. DeChaine at a glance

Dean D. DeChaine is a litigation, environmental, and insurance attorney based in Lake Oswego, Oregon. They have 62+ years of legal experience, licensed to practice since 1964. Admitted to practice in Oregon (1964), Virginia (1964), U.S. District Court, District of Oregon (1964), and U.S. Court of Appeals, Ninth Circuit (1966). Educated at Portland State University (B.S., 1959) and University of Virginia LL.B. 1964 Order of the Coif (—). Recognitions include AV Preeminent. Active member of Oregon State Bar Virginia State Bar Washington State Bar Association Maritime Law Association of the United States Oregon Association of Defense Counsel. Serands clients in Lake Oswego, OR and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Dean D. DeChaine is a lawyer practicing civil litigation, environmental, insurance and 1 other area of law
  • Dean D. received a B.S. degree from Portland State University in 1959, and has been licensed for 62 years
  • Dean D. practices in Lake Oswego, OR

Practice Areas Explained

Dean D. DeChaine's Areas of Practice

Each practice area below reflects the types of cases Dean D. DeChaine handles, with a brief overview of what that area of law covers.

Civil Litigation

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

Dean D. DeChaine is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Oregon →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

Dean D. DeChaine is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Oregon →

Insurance Law

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

Dean D. DeChaine is one of 121,912 insurance attorneys indexed nationally. Browse insurance 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 Dean D. DeChaine

Where is Dean D. DeChaine's law office located?
Dean D. DeChaine's law practice is located in Lake Oswego, Oregon. You can contact the office directly through this profile page.
What practice areas does Dean D. DeChaine handle?
Dean D. DeChaine focuses on litigation, environmental, insurance. Each practice area listed reflects experience handling cases of that type in Oregon.
How long has Dean D. DeChaine practiced law?
Dean D. DeChaine has 62+ years of legal experience and has been licensed since 1964.
Where did Dean D. DeChaine go to law school?
Dean D. DeChaine earned their education at (B.S., 1959); (—).
How can I contact Dean D. DeChaine for a consultation?
You can contact Dean D. DeChaine 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.
What awards or recognition has Dean D. DeChaine received?
Dean D. DeChaine's notable recognition includes: AV Preeminent.

Education

B.S.
Portland State University
- 1959
University of Virginia LL.B. 1964 Order of the Coif
- In Progress

Awards

AV Preeminent

Bar Admissions

Oregon
Admitted: 1964
Virginia
Admitted: 1964
U.S. District Court, District of Oregon
Admitted: 1964
U.S. Court of Appeals, Ninth Circuit
Admitted: 1966
Washington (Inactive)
Admitted: 1986
U.S. District Court, Western District of Washington
Admitted: 1986
U.S. Court of International Trade
Admitted: 1996
U.S. Supreme Court
Admitted: 2004

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