John Arthur Slevin, Appellate Attorney in Peoria, Illinois
Over 66 years of legal practice · focused on Appellate, Employment, and Litigation · 5.0/5 rating from 1 verified client review
MemberatVonachen, Lawless, Trager & Slevin
Peoria, IL
Practicing appellate in Peoria since 1960.
- 66+
- Years practicing
- 5.0 ★
- 1 client review
- 1
- Bar admission
Are you John Arthur Slevin?
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Quick answer
John Arthur Slevin is a member based in Peoria, IL. The practice focuses on Appellate, Employment, and Litigation. John has over 66 years of legal experience. Currently practicing at Vonachen, Lawless, Trager & Slevin. Rated 5.0 out of 5 from 1 client review.
- Based in
- Peoria, IL
- Experience
- over 66 years
- Known for
- Appellate · Employment · Litigation
- Handles Appellate, Employment, and Litigation matters from Peoria, IL.
- Over 66 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About John Arthur Slevin: John Arthur Slevin is a member based in Peoria, IL. The practice focuses on Appellate, Employment, and Litigation. John has over 66 years of legal experience. Currently practicing at Vonachen, Lawless, Trager & Slevin. Rated 5.0 out of 5 from 1 client review.
Areas of practice
Practice areas handled by John Arthur Slevin
John concentrates on appellate, employment, litigation, personal injury, and workers comp. Each area below outlines the kind of case John handles, typical outcomes to expect, and how the intake process starts.
Appellate
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Employment
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Litigation
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Personal Injury
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Workers Comp
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Appellate cases in Peoria, Illinois
John takes appellate matters in Peoria, Illinois. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before John agrees to represent you.
Employment cases in Peoria, Illinois
John takes employment matters in Peoria, Illinois. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before John agrees to represent you.
Litigation cases in Peoria, Illinois
John takes litigation matters in Peoria, Illinois. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before John agrees to represent you.
Personal Injury cases in Peoria, Illinois
John takes personal injury matters in Peoria, Illinois. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before John agrees to represent you.
Workers Comp cases in Peoria, Illinois
John takes workers comp matters in Peoria, Illinois. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before John agrees to represent you.
Biography
About John Arthur Slevin — Over 66 years of Illinois appellate experience
John Arthur Slevin is a member based in Peoria, IL. The practice focuses on Appellate, Employment, and Litigation. John has over 66 years of legal experience. Currently practicing at Vonachen, Lawless, Trager & Slevin. Rated 5.0 out of 5 from 1 client review.
John Arthur Slevin is a lawyer practicing personal injury, appellate practice, civil litigation and 3 other areas of law. John received a Ph.B. degree from University of Notre Dame in 1957, and has been licensed for 66 years. John practices at Vonachen, Lawless, Trager & Slevin in Peoria, IL.
How John handles appellate matters
John Arthur Slevin is a lawyer practicing personal injury, appellate practice, civil litigation and 3 other areas of law. John received a Ph.B. degree from University of Notre Dame in 1957, and has been licensed for 66 years. John practices at Vonachen, Lawless, Trager & Slevin in Peoria, IL.
The kind of cases John takes
John reviews new inquiries case-by-case for appellate, employment, and litigation matters in Peoria and the surrounding Illinois area.
Credentials
John Arthur Slevin's legal education and bar admissions
University of Notre Dame
LL.B. · 1960
University of Notre Dame
Ph.B. · 1957
Jurisdictions
John's state bar admissions
Illinois
1960 · ACTIVE
John studied at LL.B. in University of Notre Dame and Ph.B. in University of Notre Dame.
Law school and academic background
John completed LL.B. in University of Notre Dame and Ph.B. in University of Notre Dame. Formal legal training is one signal of substantive knowledge — the day-to-day practice John runs in Illinois is where that training gets applied to real client questions.
Recognition
Awards, publications, and recognition of John Arthur Slevin
John has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Locations
John Arthur Slevin's office in Peoria
John's primary office is at 456 Fulton St., Ste. 425, Peoria, IL, 61602. In-person meetings are by appointment; a phone intake usually comes first.
Vonachen, Lawless, Trager & Slevin
456 Fulton St., Ste. 425
Peoria, IL 61602
Open in Google MapsClient feedback
Client reviews of John Arthur Slevin — 5.0/5 rating from 1 verified client review
Every review below is from a verified client of John. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing appellate attorneys in Peoria.
5.0
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once John Arthur Slevin claims this profile.
Read all reviewsHiring guide
How to hire John Arthur Slevin — what to expect in your first consultation
Working with a new appellate attorney should feel structured. Here's how the first two conversations with John usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
John charges for the initial consult. That fee is credited toward representation if you retain John'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; John will tell you what matters and what doesn't.
Questions to ask a appellate attorney in Peoria, Illinois
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 John
John 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. John confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
John'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 John Arthur Slevin
How much does it cost to hire John for a appellate case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. John walks through the likely range during the consult so there are no surprises.
Does John offer a free consultation?
John charges for the initial consult; that fee is credited toward representation if you retain John's office. Some appellate attorneys offer free consults — check John's current terms during booking.
How long do appellate cases in Illinois 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. John gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can John take my case if I'm outside Peoria?
John is licensed in Illinois. Matters governed by Illinois law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — John 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 John?
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. John will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is John accepting new appellate clients right now?
John'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 Peoria, Chicago and Springfield in Illinois
John handles appellate matters throughout Illinois. Each city below is a direct link into the search page for verified appellate attorneys in that community.
More counsel
Other top-rated appellate attorneys in Illinois
If John's intake is full or the fit isn't right, these appellate attorneys in Peoria handle similar matters. Every profile below is verified and open to consultations.





