
Jonathan A Ater, ADR Attorney in Portland, Oregon
Over 60 years of legal practice · focused on ADR, Business, and Health Care · 5.0/5 rating from 1 verified client review
PartneratAter Wynne LLP
Portland, OR
Practicing adr in Portland since 1966.
- 60+
- Years practicing
- 5.0 ★
- 1 client review
- 2
- Bar admissions
Are you Jonathan A Ater?
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Quick answer
Jonathan A Ater is a partner based in Portland, OR. The practice focuses on ADR, Business, and Health Care. Jonathan has over 60 years of legal experience. Currently practicing at Ater Wynne LLP. Rated 5.0 out of 5 from 1 client review.
- Based in
- Portland, OR
- Experience
- over 60 years
- Known for
- ADR · Business · Health Care
- Handles ADR, Business, and Health Care matters from Portland, OR.
- Over 60 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About Jonathan A Ater: Jonathan A Ater is a partner based in Portland, OR. The practice focuses on ADR, Business, and Health Care. Jonathan has over 60 years of legal experience. Currently practicing at Ater Wynne LLP. Rated 5.0 out of 5 from 1 client review.
Areas of practice
Legal matters Jonathan takes on
Jonathan concentrates on adr, business, health care, litigation, and zoning. Each area below outlines the kind of case Jonathan handles, typical outcomes to expect, and how the intake process starts.
ADR
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Business
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Health Care
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Litigation
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Zoning
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Environmental
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ADR cases in Portland, Oregon
Jonathan takes adr matters in Portland, Oregon. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jonathan agrees to represent you.
Business cases in Portland, Oregon
Jonathan takes business matters in Portland, Oregon. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jonathan agrees to represent you.
Health Care cases in Portland, Oregon
Jonathan takes health care matters in Portland, Oregon. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jonathan agrees to represent you.
Litigation cases in Portland, Oregon
Jonathan takes litigation matters in Portland, Oregon. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jonathan agrees to represent you.
Zoning cases in Portland, Oregon
Jonathan takes zoning matters in Portland, Oregon. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jonathan agrees to represent you.
Biography
Meet Jonathan A Ater — adr lawyer in Portland
Jonathan A Ater is a partner based in Portland, OR. The practice focuses on ADR, Business, and Health Care. Jonathan has over 60 years of legal experience. Currently practicing at Ater Wynne LLP. Rated 5.0 out of 5 from 1 client review.
Mr. Jonathan A Ater is a lawyer practicing lawsuits & disputes, alternative dispute resolution, business and 3 other areas of law. Jonathan received a B.A. degree from Yale University in 1962, and has been licensed for 60 years. Jonathan practices at Ater Wynne LLP in Portland, OR.
Working with Jonathan on a adr matter
Mr. Jonathan A Ater is a lawyer practicing lawsuits & disputes, alternative dispute resolution, business and 3 other areas of law. Jonathan received a B.A. degree from Yale University in 1962, and has been licensed for 60 years. Jonathan practices at Ater Wynne LLP in Portland, OR.
Who Jonathan represents
Jonathan reviews new inquiries case-by-case for adr, business, and health care matters in Portland and the surrounding Oregon area.
Credentials
Education, bar admissions, and languages
Yale Law School
LL.B. · 1965
Yale University
B.A. · 1962
Jurisdictions
Jonathan's state bar admissions
U.S. District Court,
1966 · ACTIVE
Oregon
1966 · ACTIVE
Jonathan studied at LL.B. in Yale Law School and B.A. in Yale University.
Law school and academic background
Jonathan completed LL.B. in Yale Law School and B.A. in Yale University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Jonathan runs in Oregon is where that training gets applied to real client questions.
Recognition
Recognition and thought leadership
Jonathan has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Affiliations
Jonathan's professional memberships and bar associations
Multnomah County and American Bar Associations Oregon State Bar
Member, Board of Bar Examiners, 1971-1974 Vice-Chair, 1973-1974 Member, Bar Examination Review Board, 1986-1988 Chair, 1987-1988 · membership
Locations
Jonathan A Ater's office in Portland
Jonathan's primary office is at The Lovejoy Building, 1331 N.W. Lovejoy St., Ste. 900, Portland, OR, 97209-3280. In-person meetings are by appointment; a phone intake usually comes first.
Ater Wynne LLP
The Lovejoy Building, 1331 N.W. Lovejoy St., Ste. 900
Portland, OR 97209-3280
Open in Google MapsClient feedback
Client reviews of Jonathan A Ater — 5.0/5 rating from 1 verified client review
Every review below is from a verified client of Jonathan. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing adr attorneys in Portland.
5.0
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Jonathan A Ater claims this profile.
Read all reviewsHiring guide
How to hire Jonathan A Ater — what to expect in your first consultation
Working with a new adr attorney should feel structured. Here's how the first two conversations with Jonathan usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Jonathan charges for the initial consult. That fee is credited toward representation if you retain Jonathan's office.
What to bring to your first meeting
Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; Jonathan will tell you what matters and what doesn't.
Questions to ask a adr attorney in Portland, Oregon
A short list to run through before you commit: How many adr matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?
Fees & payment
Fees, payment methods, and consultation options for Jonathan
Jonathan discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in adr practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every adr matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. Jonathan confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Jonathan's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many adr practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Jonathan A Ater
How much does it cost to hire Jonathan for a adr case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Jonathan walks through the likely range during the consult so there are no surprises.
Does Jonathan offer a free consultation?
Jonathan charges for the initial consult; that fee is credited toward representation if you retain Jonathan's office. Some adr attorneys offer free consults — check Jonathan's current terms during booking.
How long do adr cases in Oregon typically take?
Simple adr matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. Jonathan gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Jonathan take my case if I'm outside Portland?
Jonathan is licensed in Oregon. Matters governed by Oregon law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Jonathan will tell you if the case is a fit or refer you to someone closer to your court.
What should I bring to my first meeting with Jonathan?
Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. Jonathan will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Jonathan accepting new adr clients right now?
Jonathan's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
ADR attorneys serving Portland, Salem and Eugene in Oregon
Jonathan handles adr matters throughout Oregon. Each city below is a direct link into the search page for verified adr attorneys in that community.
More counsel
Other top-rated adr attorneys in Oregon
If Jonathan's intake is full or the fit isn't right, these adr attorneys in Portland handle similar matters. Every profile below is verified and open to consultations.





