Atty. Jeffrey E Detlefsen

Atty. Jeffrey E Detlefsen

Mr. Jeffrey E Detlefsen is a lawyer practicing environmental law, wills, probate and 1 other area of law.

Portland Portland 46 yrs experience 46 year
Call (503) 914-2993 Book Appointment

Environmental Law & More Attorney · Serving Portland, OR · 46+ Years Experience

Profile Summary

About Jeffrey E Detlefsen at a Glance

Jeffrey E Detlefsen is a Member based in Portland, Oregon, practicing at Detlefsen Law Office, P.C.. They have 46+ years of legal experience, licensed to practice since 1980. Their practice focuses on wills, trusts, probate, and environmental. Admitted to practice in Oregon (1980) and District of Columbia (1985). Educated at University of Oregon (J.D., 1979) and University of Oregon (B.S., 1976). Active member of Oregon State Bar District of Columbia Bar. Serves clients in Portland, OR and the surrounding metropolitan area.

Verified attorney profile · Updated November 2026

About Jeffrey E Detlefsen

  • Mr. Jeffrey E Detlefsen is a lawyer practicing environmental law, wills, probate and 1 other area of law
  • Jeffrey received a B.S. degree from University of Oregon in 1976, and has been licensed for 46 years
  • Jeffrey practices at Detlefsen Law Office, P.C. in Portland, OR

Practice Areas Explained

Jeffrey E Detlefsen's Areas of Legal Practice

Each practice area below reflects the types of cases Jeffrey E Detlefsen handles, with a practical overview of what that area of law involves and how it may apply to your situation in Portland.

Wills in Portland

Jeffrey E Detlefsen is one of 34,363 wills attorneys indexed nationally. Browse wills attorneys in Oregon →

Trusts in Portland

Jeffrey E Detlefsen is one of 103,428 trusts attorneys indexed nationally. Browse trusts attorneys in Oregon →

Probate in Portland

Jeffrey E Detlefsen is one of 127,041 probate attorneys indexed nationally. Browse probate attorneys in Oregon →

Environmental Law in Portland

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

Jeffrey E Detlefsen is one of 55,977 environmental attorneys indexed nationally. Browse environmental attorneys in Oregon →

Jurisdictional Context

Why Local Counsel Matters in Portland

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 venue, 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.

Portland Courts and Legal Process

Choosing a Portland-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

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

Frequently Asked

Common Questions About Jeffrey E Detlefsen

Where is Jeffrey E Detlefsen's law office located?
Jeffrey E Detlefsen's law practice is located in Portland, Oregon. The firm is Detlefsen Law Office, P.C.. You can contact the office directly through this profile page.
What practice areas does Jeffrey E Detlefsen handle?
Jeffrey E Detlefsen focuses on wills, trusts, probate, environmental. Each practice area listed reflects experience handling cases of that type in Oregon.
How long has Jeffrey E Detlefsen practiced law?
Jeffrey E Detlefsen has 46+ years of legal experience and has been licensed since 1980.
Where did Jeffrey E Detlefsen go to law school?
Jeffrey E Detlefsen earned their education at (J.D., 1979); (B.S., 1976).
How can I contact Jeffrey E Detlefsen for a consultation?
You can contact Jeffrey E Detlefsen 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.

Professional Profile

Why Clients in Portland Choose Jeffrey E Detlefsen

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Jeffrey E Detlefsen's practice in the field of wills, trusts, probate, and environmental.

Decade-Tested Legal Experience

Jeffrey E Detlefsen brings 46+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in Oregon and District of Columbia, Jeffrey E Detlefsen can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering wills, trusts, and probate, Jeffrey E Detlefsen can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Portland

A Portland-based practice means Jeffrey E Detlefsen attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Search Reference

How People Find Jeffrey E Detlefsen Online

Prospective clients searching for legal help in Portland commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Jeffrey E Detlefsen.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Jeffrey E Detlefsen directly.

Jeffrey E Detlefsen's Practice Areas & Specializations

Education & Law School Background

J.D.
University of Oregon
- 1979
B.S.
University of Oregon
- 1976

Bar Admissions & Licensed Jurisdictions

Oregon
Admitted: 1980
District of Columbia
Admitted: 1985

Client Reviews & Ratings — Jeffrey E Detlefsen

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