Dennis Jay Sherwin, Civil Rights Attorney in Ontario, California
Over 54 years of legal practice · focused on Civil Rights, Insurance, and Litigation
PartneratRose, Klein & Marias LLP
Ontario, CA
Practicing civil rights in Ontario since 1972.
- 54+
- Years practicing
- 2
- Bar admissions
Practices in
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Quick answer
Dennis Jay Sherwin is a partner based in Ontario, CA. The practice focuses on Civil Rights, Insurance, and Litigation. Dennis has over 54 years of legal experience. Currently practicing at Rose, Klein & Marias LLP.
- Based in
- Ontario, CA
- Experience
- over 54 years
- Known for
- Civil Rights · Insurance · Litigation
- Handles Civil Rights, Insurance, and Litigation matters from Ontario, CA.
- Over 54 years of practice as a licensed attorney.
About Dennis Jay Sherwin: Dennis Jay Sherwin is a partner based in Ontario, CA. The practice focuses on Civil Rights, Insurance, and Litigation. Dennis has over 54 years of legal experience. Currently practicing at Rose, Klein & Marias LLP.
Areas of practice
Legal matters Dennis takes on
Dennis concentrates on civil rights, insurance, litigation, and personal injury. Each area below outlines the kind of case Dennis handles, typical outcomes to expect, and how the intake process starts.
Civil Rights
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Insurance
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Litigation
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Personal Injury
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Civil Rights cases in Ontario, California
Dennis takes civil rights matters in Ontario, 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 Dennis agrees to represent you.
Insurance cases in Ontario, California
Dennis takes insurance matters in Ontario, 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 Dennis agrees to represent you.
Litigation cases in Ontario, California
Dennis takes litigation matters in Ontario, 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 Dennis agrees to represent you.
Personal Injury cases in Ontario, California
Dennis takes personal injury matters in Ontario, 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 Dennis agrees to represent you.
Biography
Meet Dennis Jay Sherwin — civil rights lawyer in Ontario
Dennis Jay Sherwin is a partner based in Ontario, CA. The practice focuses on Civil Rights, Insurance, and Litigation. Dennis has over 54 years of legal experience. Currently practicing at Rose, Klein & Marias LLP.
Dennis Jay Sherwin is a lawyer practicing personal injury, insurance bad faith, discrimination claims and 1 other area of law. Dennis received a B.A. degree from California State University, Northridge, and has been licensed for 54 years. Dennis practices at Rose, Klein & Marias LLP in Ontario, CA and 1 other location.
Working with Dennis on a civil rights matter
Dennis Jay Sherwin is a lawyer practicing personal injury, insurance bad faith, discrimination claims and 1 other area of law. Dennis received a B.A. degree from California State University, Northridge, and has been licensed for 54 years. Dennis practices at Rose, Klein & Marias LLP in Ontario, CA and 1 other location.
Clients Dennis works with
Dennis reviews new inquiries case-by-case for civil rights, insurance, and litigation matters in Ontario and the surrounding California area.
Credentials
Education, bar admissions, and languages
Loyola Marymount University
J.D. · 1972
California State University, Northridge B.A. Psychology
—
Jurisdictions
Dennis's state bar admissions
U.S. District Court,
1973 · ACTIVE
California
1972 · ACTIVE
Dennis studied at J.D. in Loyola Marymount University and — in California State University, Northridge B.A. Psychology.
Law school and academic background
Dennis completed J.D. in Loyola Marymount University and — in California State University, Northridge B.A. Psychology. Formal legal training is one signal of substantive knowledge — the day-to-day practice Dennis runs in California is where that training gets applied to real client questions.
Locations
Dennis Jay Sherwin's office in Ontario
Dennis's primary office is at 3536 Concours, Ste. 210, Ontario, CA, 91764. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Dennis Jay Sherwin
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Schedule your consultationHiring guide
How to hire Dennis Jay Sherwin — what to expect in your first consultation
Working with a new civil rights attorney should feel structured. Here's how the first two conversations with Dennis usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Dennis charges for the initial consult. That fee is credited toward representation if you retain Dennis'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; Dennis will tell you what matters and what doesn't.
Questions to ask a civil rights attorney in Ontario, California
A short list to run through before you commit: How many civil rights 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 Dennis
Dennis discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in civil rights practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every civil rights 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. Dennis confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Dennis's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many civil rights practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Dennis Jay Sherwin
How much does it cost to hire Dennis for a civil rights case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Dennis walks through the likely range during the consult so there are no surprises.
Does Dennis offer a free consultation?
Dennis charges for the initial consult; that fee is credited toward representation if you retain Dennis's office. Some civil rights attorneys offer free consults — check Dennis's current terms during booking.
How long do civil rights cases in California typically take?
Simple civil rights 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. Dennis gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Dennis take my case if I'm outside Ontario?
Dennis 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 — Dennis 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 Dennis?
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. Dennis will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Dennis accepting new civil rights clients right now?
Dennis's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Civil Rights attorneys serving Ontario, Los Angeles and San Francisco in California
Dennis handles civil rights matters throughout California. Each city below is a direct link into the search page for verified civil rights attorneys in that community.
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