Dianne M. Onichimowski, ADR Attorney in Chicago, Illinois
Over 46 years of legal practice · focused on ADR, Appellate, and Civil Rights
MemberatDMO Law Firm
Chicago, IL
Practicing adr in Chicago since 1980.
- 46+
- Years practicing
- 3
- Bar admissions
Are you Dianne M. Onichimowski?
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.
Quick answer
Dianne M. Onichimowski is a member based in Chicago, IL. The practice focuses on ADR, Appellate, and Civil Rights. Dianne has over 46 years of legal experience. Currently practicing at DMO Law Firm.
- Based in
- Chicago, IL
- Experience
- over 46 years
- Known for
- ADR · Appellate · Civil Rights
- Handles ADR, Appellate, and Civil Rights matters from Chicago, IL.
- Over 46 years of practice as a licensed attorney.
About Dianne M. Onichimowski: Dianne M. Onichimowski is a member based in Chicago, IL. The practice focuses on ADR, Appellate, and Civil Rights. Dianne has over 46 years of legal experience. Currently practicing at DMO Law Firm.
Areas of practice
Dianne's practice areas in Chicago
Dianne concentrates on adr, appellate, civil rights, contracts, and divorce. Each area below outlines the kind of case Dianne handles, typical outcomes to expect, and how the intake process starts.
ADR
View other ADR attorneys
Appellate
View other Appellate attorneys
Civil Rights
View other Civil Rights attorneys
Contracts
View other Contracts attorneys
Divorce
View other Divorce attorneys
Employment
View other Employment attorneys
Litigation
View other Litigation attorneys
ADR cases in Chicago, Illinois
Dianne takes adr matters in Chicago, 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 Dianne agrees to represent you.
Appellate cases in Chicago, Illinois
Dianne takes appellate matters in Chicago, 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 Dianne agrees to represent you.
Civil Rights cases in Chicago, Illinois
Dianne takes civil rights matters in Chicago, 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 Dianne agrees to represent you.
Contracts cases in Chicago, Illinois
Dianne takes contracts matters in Chicago, 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 Dianne agrees to represent you.
Divorce cases in Chicago, Illinois
Dianne takes divorce matters in Chicago, 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 Dianne agrees to represent you.
Biography
Dianne M. Onichimowski, adr attorney serving Chicago
Dianne M. Onichimowski is a member based in Chicago, IL. The practice focuses on ADR, Appellate, and Civil Rights. Dianne has over 46 years of legal experience. Currently practicing at DMO Law Firm. Dianne works from Chicago, Illinois and takes on adr matters across the region.
Dianne M. Onichimowski is a lawyer practicing erisa, divorce, arbitration & mediation and 4 other areas of law. Dianne received a B.A. degree from St. Joseph's University in 1977, and has been licensed for 46 years. Dianne practices at DMO Law Firm in Chicago, IL.
Dianne's approach to adr cases
Dianne M. Onichimowski is a lawyer practicing erisa, divorce, arbitration & mediation and 4 other areas of law. Dianne received a B.A. degree from St. Joseph's University in 1977, and has been licensed for 46 years. Dianne practices at DMO Law Firm in Chicago, IL.
Clients Dianne works with
Dianne reviews new inquiries case-by-case for adr, appellate, and civil rights matters in Chicago and the surrounding Illinois area.
Credentials
Credentials — where Dianne studied and practices
Temple University
LL.M. Taxation · 1986
St. Joseph's University
B.A. Political · 1977
Jurisdictions
Dianne's state bar admissions
Illinois
1997 · ACTIVE
New Jersey
1982 · ACTIVE
Pennsylvania
1980 · ACTIVE
Dianne studied at LL.M. Taxation in Temple University and B.A. Political in St. Joseph's University.
Law school and academic background
Dianne completed LL.M. Taxation in Temple University and B.A. Political in St. Joseph's University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Dianne runs in Illinois is where that training gets applied to real client questions.
Affiliations
Dianne's professional memberships and bar associations
Pennsylvania, New Jersey State and American Bar Associations
membership
Locations
Dianne M. Onichimowski's office in Chicago
Dianne's primary office is at 111 E. Wacker Dr., Ste. 2600, Chicago, IL, 60601-4208. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Dianne M. Onichimowski
Dianne has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.
No reviews yet
Only verified clients who have consulted with Dianne M. Onichimowski can leave a review.
Schedule your consultationHiring guide
How to hire Dianne M. Onichimowski — what to expect in your first consultation
Working with a new adr attorney should feel structured. Here's how the first two conversations with Dianne usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Dianne charges for the initial consult. That fee is credited toward representation if you retain Dianne'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; Dianne will tell you what matters and what doesn't.
Questions to ask a adr attorney in Chicago, Illinois
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 Dianne
Dianne 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. Dianne confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Dianne'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 Dianne M. Onichimowski
How much does it cost to hire Dianne for a adr case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Dianne walks through the likely range during the consult so there are no surprises.
Does Dianne offer a free consultation?
Dianne charges for the initial consult; that fee is credited toward representation if you retain Dianne's office. Some adr attorneys offer free consults — check Dianne's current terms during booking.
How long do adr cases in Illinois 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. Dianne gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Dianne take my case if I'm outside Chicago?
Dianne 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 — Dianne 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 Dianne?
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. Dianne will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Dianne accepting new adr clients right now?
Dianne'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 Chicago, Springfield and Northbrook in Illinois
Dianne handles adr matters throughout Illinois. 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 Illinois
If Dianne's intake is full or the fit isn't right, these adr attorneys in Chicago handle similar matters. Every profile below is verified and open to consultations.





