Donn Patrick LaHaie, Business Attorney in Chicago, Illinois
Over 34 years of legal practice · focused on Business, Car Accidents, and General
AttorneyatPostman Law
Chicago, IL
Practicing business in Chicago since 1992.
- 34+
- Years practicing
- 2
- Bar admissions
Are you Donn Patrick LaHaie?
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Quick answer
Donn Patrick LaHaie is an attorney based in Chicago, IL. The practice focuses on Business, Car Accidents, and General. Donn has over 34 years of legal experience. Currently practicing at Postman Law.
- Based in
- Chicago, IL
- Experience
- over 34 years
- Known for
- Business · Car Accidents · General
- Handles Business, Car Accidents, and General matters from Chicago, IL.
- Over 34 years of practice as a licensed attorney.
About Donn Patrick LaHaie: Donn Patrick LaHaie is an attorney based in Chicago, IL. The practice focuses on Business, Car Accidents, and General. Donn has over 34 years of legal experience. Currently practicing at Postman Law.
Areas of practice
Legal matters Donn takes on
Donn concentrates on business, car accidents, general, motorcycle, and truck accidents. Each area below outlines the kind of case Donn handles, typical outcomes to expect, and how the intake process starts.
Business
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Car Accidents
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General
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Motorcycle
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Truck Accidents
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Workers Comp
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Wrongful Death
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Business cases in Chicago, Illinois
Donn takes business 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 Donn agrees to represent you.
Car Accidents cases in Chicago, Illinois
Donn takes car accidents 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 Donn agrees to represent you.
General cases in Chicago, Illinois
Donn takes general 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 Donn agrees to represent you.
Motorcycle cases in Chicago, Illinois
Donn takes motorcycle 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 Donn agrees to represent you.
Truck Accidents cases in Chicago, Illinois
Donn takes truck accidents 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 Donn agrees to represent you.
Biography
Meet Donn Patrick LaHaie — business lawyer in Chicago
Donn Patrick LaHaie is an attorney based in Chicago, IL. The practice focuses on Business, Car Accidents, and General. Donn has over 34 years of legal experience. Currently practicing at Postman Law.
Donn Lahai is an experienced workers’ compensation attorney who has spent more than 20 years advocating for injured workers and union members. At Postman Law, he represents clients through every stage of the workers’ compensation process, from claim investigations to hearings and appeals.
Donn’s background includes experience on both the plaintiff and defense sides of workers’ compensation litigation, giving him valuable insight into how employers and insurance carriers handle claims. Having successfully litigated hundreds of workers’ compensation cases, he is known for his practical guidance, strong advocacy, and commitment to helping injured workers secure the benefits they deserve.
How Donn handles business matters
Donn Lahai is an experienced workers’ compensation attorney who has spent more than 20 years advocating for injured workers and union members. At Postman Law, he represents clients through every stage of the workers’ compensation process, from claim investigations to hearings and appeals. Donn’s background includes experience on both the plaintiff and defense sides of workers’ compensation…
The kind of cases Donn takes
Donn reviews new inquiries case-by-case for business, car accidents, and general matters in Chicago and the surrounding Illinois area.
Credentials
Education, bar admissions, and languages
John Marshall Law School J.D.
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University of Wisconsin-Whitewater B.A.
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Jurisdictions
Donn's state bar admissions
Florida
1993 · ACTIVE
Illinois
1992 · ACTIVE
Donn studied at — in John Marshall Law School J.D. and — in University of Wisconsin-Whitewater B.A..
Law school and academic background
Donn completed — in John Marshall Law School J.D. and — in University of Wisconsin-Whitewater B.A.. Formal legal training is one signal of substantive knowledge — the day-to-day practice Donn runs in Illinois is where that training gets applied to real client questions.
Affiliations
Donn's professional memberships and bar associations
The Chicago Bar Association
membership
Locations
Donn Patrick LaHaie's office in Chicago
Donn's primary office is at 150 N. Riverside Plaza, Suite 4100, Chicago, IL, 60606. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Donn Patrick LaHaie
Donn has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.
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Schedule your consultationHiring guide
How to hire Donn Patrick LaHaie — what to expect in your first consultation
Working with a new business attorney should feel structured. Here's how the first two conversations with Donn usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Donn charges for the initial consult. That fee is credited toward representation if you retain Donn'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; Donn will tell you what matters and what doesn't.
Questions to ask a business attorney in Chicago, Illinois
A short list to run through before you commit: How many business 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 Donn
Donn discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in business practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every business 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. Donn confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Donn's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many business practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Donn Patrick LaHaie
How much does it cost to hire Donn for a business case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Donn walks through the likely range during the consult so there are no surprises.
Does Donn offer a free consultation?
Donn charges for the initial consult; that fee is credited toward representation if you retain Donn's office. Some business attorneys offer free consults — check Donn's current terms during booking.
How long do business cases in Illinois typically take?
Simple business 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. Donn gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Donn take my case if I'm outside Chicago?
Donn 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 — Donn 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 Donn?
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. Donn will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Donn accepting new business clients right now?
Donn's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Business attorneys serving Chicago, Springfield and Northbrook in Illinois
Donn handles business matters throughout Illinois. Each city below is a direct link into the search page for verified business attorneys in that community.
More counsel
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If Donn's intake is full or the fit isn't right, these business attorneys in Chicago handle similar matters. Every profile below is verified and open to consultations.
