Atty. Arden John Olson

Atty. Arden John Olson

Arden John Olson is a lawyer practicing administrative law and proceedings, business and commercial litigation, health care industry law and 4 other areas of law. Arden received a B.A. degree from Pacific Lutheran University in 1974, and has been licensed for 48 years.

Eugene Eugene 48 yrs experience 48 year
Call (541) 762-5596 Book Appointment

Administrative Law And Proceedings & More Attorney · Serving Eugene, OR · 48+ Years Experience

Profile Summary

About Arden John Olson at a Glance

Arden John Olson is a Shareholder based in Eugene, Oregon, practicing at Harrang Long P.C.. They have 48+ years of legal experience, licensed to practice since 1978. Their practice focuses on business, tax, litigation, government, and health care. Admitted to practice in Washington (1978), U.S. District Court, Western District of Washington (1978), Pennsylvania (1982), and U.S. District Court, Eastern District of Pennsylvania (1982). Educated at University of Washington (J.D., 1978) and Pacific Lutheran University (B.A., 1974). Recognitions include AV Preeminent. Serves clients in Eugene, OR and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Arden John Olson

  • Arden John Olson is a lawyer practicing administrative law and proceedings, business and commercial litigation, health care industry law and 4 other areas of law
  • Arden received a B.A. degree from Pacific Lutheran University in 1974, and has been licensed for 48 years
  • Arden practices at Harrang Long P.C. in Eugene, OR

Practice Areas Explained

Arden John Olson's Areas of Legal Practice

Each practice area below reflects the types of cases Arden John Olson handles, with a practical overview of what that area of law involves and how it may apply to your situation in Eugene.

Business & Corporate Law in Eugene

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

Arden John Olson is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Oregon →

Tax Law in Eugene

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Arden John Olson is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in Oregon →

Civil Litigation in Eugene

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

Arden John Olson is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in Oregon →

Government & Administrative Law in Eugene

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

Arden John Olson is one of 131,162 government attorneys indexed nationally. Browse government attorneys in Oregon →

Health Care Law in Eugene

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

Arden John Olson is one of 66,157 health care attorneys indexed nationally. Browse health care attorneys in Oregon →

Jurisdictional Context

Why Local Counsel Matters in Eugene

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 Eugene 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.

Eugene Courts and Legal Process

Choosing a Eugene-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 Eugene or all attorneys in Oregon.

Frequently Asked

Common Questions About Arden John Olson

Where is Arden John Olson's law office located?
Arden John Olson's law practice is located in Eugene, Oregon. The firm is Harrang Long P.C.. You can contact the office directly through this profile page.
What practice areas does Arden John Olson handle?
Arden John Olson focuses on business, tax, litigation, government, health care. Each practice area listed reflects experience handling cases of that type in Oregon.
How long has Arden John Olson practiced law?
Arden John Olson has 48+ years of legal experience and has been licensed since 1978.
Where did Arden John Olson go to law school?
Arden John Olson earned their education at (J.D., 1978); (B.A., 1974).
How can I contact Arden John Olson for a consultation?
You can contact Arden John Olson 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 Arden John Olson received?
Arden John Olson's notable recognition includes: AV Preeminent.

Professional Profile

Why Clients in Eugene Choose Arden John Olson

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 Arden John Olson's practice in the field of business, tax, litigation, government, and health care.

Decade-Tested Legal Experience

Arden John Olson brings 48+ 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 Washington, U.S. District Court, Western District of Washington, and Pennsylvania, Arden John Olson can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering business, tax, and litigation, Arden John Olson can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Eugene

A Eugene-based practice means Arden John Olson attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues Arden John Olson Handles in Eugene

Below is a representative sample of the types of matters Arden John Olson has experience with under Oregon law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business
IRS audit representation
Tax
Tax lien and levy defense
Tax
Offer in compromise
Tax
Business tax planning
Tax

This list is illustrative, not exhaustive. Contact Arden John Olson directly to discuss the specifics of your situation.

Search Reference

How People Find Arden John Olson Online

Prospective clients searching for legal help in Eugene 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 Arden John Olson.

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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 Arden John Olson directly.

Education & Law School Background

J.D.
University of Washington
- 1978
B.A.
Pacific Lutheran University
- 1974

Awards & Professional Honors

AV Preeminent

Bar Admissions & Licensed Jurisdictions

Washington
Admitted: 1978
U.S. District Court, Western District of Washington
Admitted: 1978
Pennsylvania
Admitted: 1982
U.S. District Court, Eastern District of Pennsylvania
Admitted: 1982
U.S. Court of Appeals, Third Circuit
Admitted: 1983
Oregon
Admitted: 1987
U.S. District Court, District of Oregon
Admitted: 1987
U.S. Court of Appeals, Ninth Circuit
Admitted: 1988
California
Admitted: 2001
U.S. District Court, Eastern District of Washington
Admitted: 2002
U.S. Supreme Court
Admitted: 2004

Client Reviews & Ratings — Arden John Olson

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