WE

William Earl O'Nell, Appellate Attorney in San Diego, California

Over 30 years of legal practice · focused on Appellate, Business, and Car Accidents · 5.0/5 rating from 14 verified client reviews

Practicing appellate in San Diego since 1996.

30+
Years practicing
5.0 ★
14 client reviews
3
Bar admissions

Are you William Earl O'Nell?

This profile was built from public bar records and is still unclaimed. Claim it free to control your photo, bio, and fees — and get client inquiries sent straight to you.

Claim this profile — free

Quick answer

William Earl O'Nell is a member based in San Diego, CA. The practice focuses on Appellate, Business, and Car Accidents. William has over 30 years of legal experience. Currently practicing at The Law Office of William E. O'Nell. Rated 5.0 out of 5 from 14 client reviews.

Based in
San Diego, CA
Experience
over 30 years
Known for
Appellate · Business · Car Accidents
  • Handles Appellate, Business, and Car Accidents matters from San Diego, CA.
  • Over 30 years of practice as a licensed attorney.
  • Recognized with AV Preeminent.

About William Earl O'Nell: William Earl O'Nell is a member based in San Diego, CA. The practice focuses on Appellate, Business, and Car Accidents. William has over 30 years of legal experience. Currently practicing at The Law Office of William E. O'Nell. Rated 5.0 out of 5 from 14 client reviews.

Areas of practice

Legal matters William takes on

William concentrates on appellate, business, car accidents, consumer, and employment. Each area below outlines the kind of case William handles, typical outcomes to expect, and how the intake process starts.

Appellate cases in San Diego, California

William takes appellate matters in San Diego, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before William agrees to represent you.

Business cases in San Diego, California

William takes business matters in San Diego, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before William agrees to represent you.

Car Accidents cases in San Diego, California

William takes car accidents matters in San Diego, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before William agrees to represent you.

Consumer cases in San Diego, California

William takes consumer matters in San Diego, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before William agrees to represent you.

Employment cases in San Diego, California

William takes employment matters in San Diego, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before William agrees to represent you.

Biography

Meet William Earl O'Nell — appellate lawyer in San Diego

William Earl O'Nell is a member based in San Diego, CA. The practice focuses on Appellate, Business, and Car Accidents. William has over 30 years of legal experience. Currently practicing at The Law Office of William E. O'Nell. Rated 5.0 out of 5 from 14 client reviews.

William Earl O'Nell is a lawyer practicing insurance, business litigation, personal injury and 11 other areas of law. William received a M.A. degree from University of California, San Diego in 1987, and has been licensed for 30 years. William practices at The Law Office of William E. O'Nell in San Diego, CA.

William's approach to appellate cases

William Earl O'Nell is a lawyer practicing insurance, business litigation, personal injury and 11 other areas of law. William received a M.A. degree from University of California, San Diego in 1987, and has been licensed for 30 years. William practices at The Law Office of William E. O'Nell in San Diego, CA.

Clients William works with

William reviews new inquiries case-by-case for appellate, business, and car accidents matters in San Diego and the surrounding California area.

Credentials

Education, bar admissions, and languages

  • University of San Diego School of Law

    J.D. · 1996

  • University of California, San Diego

    M.A. University · 1987

Jurisdictions

William's state bar admissions

  • U.S. District Court,

    1999 · ACTIVE

  • U.S. District Court,

    1996 · ACTIVE

  • California

    1996 · ACTIVE

William studied at J.D. in University of San Diego School of Law and M.A. University in University of California, San Diego.

Law school and academic background

William completed J.D. in University of San Diego School of Law and M.A. University in University of California, San Diego. Formal legal training is one signal of substantive knowledge — the day-to-day practice William runs in California is where that training gets applied to real client questions.

Recognition

Recognition and thought leadership

William has received 1 formal recognition from bar associations, industry bodies, and peer-review services.

  • AV Preeminent

Legal awards and honors

AV Preeminent.

Affiliations

William's professional memberships and bar associations

  • State Bar of California San Diego County Bar Association Association of Business Trial Lawyers Consumer Attorneys of San Diego Consumer Attorneys of California American Bar Association

    membership

Locations

William Earl O'Nell's office in San Diego

William's primary office is at 101 West Broadway, Suite 810, San Diego, CA, 92101. In-person meetings are by appointment; a phone intake usually comes first.

Main office

The Law Office of William E. O'Nell

101 West Broadway, Suite 810

San Diego, CA 92101

Open in Google Maps

Client feedback

Client reviews of William Earl O'Nell — 5.0/5 rating from 14 verified client reviews

Every review below is from a verified client of William. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing appellate attorneys in San Diego.

5.0

14 client reviews

Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once William Earl O'Nell claims this profile.

Read all reviews

Hiring guide

How to hire William Earl O'Nell — what to expect in your first consultation

Working with a new appellate attorney should feel structured. Here's how the first two conversations with William usually go, from the moment you request a consult to the day representation begins.

Consultation formats and pricing

William charges for the initial consult. That fee is credited toward representation if you retain William'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; William will tell you what matters and what doesn't.

Questions to ask a appellate attorney in San Diego, California

A short list to run through before you commit: How many appellate 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 William

William discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in appellate practice — ask which fits.

Hourly rates, contingency fees, and flat-fee options

Every appellate 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. William confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

William's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many appellate practices work with clients on structured schedules.

Frequently asked

Frequently asked questions about William Earl O'Nell

  • How much does it cost to hire William for a appellate case?

    Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. William walks through the likely range during the consult so there are no surprises.

  • Does William offer a free consultation?

    William charges for the initial consult; that fee is credited toward representation if you retain William's office. Some appellate attorneys offer free consults — check William's current terms during booking.

  • How long do appellate cases in California typically take?

    Simple appellate 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. William gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can William take my case if I'm outside San Diego?

    William is licensed in California. Matters governed by California law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — William 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 William?

    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. William will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is William accepting new appellate clients right now?

    William's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.

Areas served

Appellate attorneys serving San Diego, Los Angeles and San Francisco in California

William handles appellate matters throughout California. Each city below is a direct link into the search page for verified appellate attorneys in that community.

More counsel

If William's intake is full or the fit isn't right, these appellate attorneys in San Diego handle similar matters. Every profile below is verified and open to consultations.