
Dietrich Anthony Loos, Business Attorney in Chicago, Illinois
Over 28 years of legal practice · focused on Business, General, and M&A
Special CounselatDuane Morris LLP
Chicago, IL
Practicing business in Chicago since 1998.
- 28+
- Years practicing
- 1
- Bar admission
Practices in
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Quick answer
Dietrich Anthony Loos is a special counsel based in Chicago, IL. The practice focuses on Business, General, and M&A. Dietrich has over 28 years of legal experience. Currently practicing at Duane Morris LLP.
- Based in
- Chicago, IL
- Experience
- over 28 years
- Known for
- Business · General · M&A
- Handles Business, General, and M&A matters from Chicago, IL.
- Over 28 years of practice as a licensed attorney.
About Dietrich Anthony Loos: Dietrich Anthony Loos is a special counsel based in Chicago, IL. The practice focuses on Business, General, and M&A. Dietrich has over 28 years of legal experience. Currently practicing at Duane Morris LLP.
Areas of practice
Legal matters Dietrich takes on
Dietrich concentrates on business, general, m&a, and securities. Each area below outlines the kind of case Dietrich handles, typical outcomes to expect, and how the intake process starts.
Business
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General
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M&A
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Securities
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Business cases in Chicago, Illinois
Dietrich 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 Dietrich agrees to represent you.
General cases in Chicago, Illinois
Dietrich 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 Dietrich agrees to represent you.
M&A cases in Chicago, Illinois
Dietrich takes m&a 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 Dietrich agrees to represent you.
Securities cases in Chicago, Illinois
Dietrich takes securities 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 Dietrich agrees to represent you.
Biography
Meet Dietrich Anthony Loos — business lawyer in Chicago
Dietrich Anthony Loos is a special counsel based in Chicago, IL. The practice focuses on Business, General, and M&A. Dietrich has over 28 years of legal experience. Currently practicing at Duane Morris LLP.
Dietrich Anthony Loos is a lawyer practicing corporate law, securities offerings, public offerings and 2 other areas of law. Dietrich has been licensed for 28 years. Dietrich practices at Duane Morris LLP in Chicago, IL.
Working with Dietrich on a business matter
Dietrich Anthony Loos is a lawyer practicing corporate law, securities offerings, public offerings and 2 other areas of law. Dietrich has been licensed for 28 years. Dietrich practices at Duane Morris LLP in Chicago, IL.
Who Dietrich represents
Dietrich reviews new inquiries case-by-case for business, general, and m&a matters in Chicago and the surrounding Illinois area.
Credentials
Education, bar admissions, and languages
University of Chicago Law School
J.D. · 1998
Jurisdictions
Dietrich's state bar admissions
Illinois U.S. Distri
1998 · ACTIVE
Dietrich studied at J.D. in University of Chicago Law School.
Law school and academic background
Dietrich completed J.D. in University of Chicago Law School. Formal legal training is one signal of substantive knowledge — the day-to-day practice Dietrich runs in Illinois is where that training gets applied to real client questions.
Affiliations
Dietrich's professional memberships and bar associations
Professional Activities •American Bar Association •Illinois State Bar Association
membership
Locations
Dietrich Anthony Loos's office in Chicago
Dietrich's primary office is at 190 South LaSalle Street, Suite 3700, Chicago, IL, 60603. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Dietrich Anthony Loos
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Schedule your consultationHiring guide
How to hire Dietrich Anthony Loos — what to expect in your first consultation
Working with a new business attorney should feel structured. Here's how the first two conversations with Dietrich usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Dietrich charges for the initial consult. That fee is credited toward representation if you retain Dietrich'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; Dietrich 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 Dietrich
Dietrich 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. Dietrich confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Dietrich'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 Dietrich Anthony Loos
How much does it cost to hire Dietrich for a business case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Dietrich walks through the likely range during the consult so there are no surprises.
Does Dietrich offer a free consultation?
Dietrich charges for the initial consult; that fee is credited toward representation if you retain Dietrich's office. Some business attorneys offer free consults — check Dietrich'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. Dietrich gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Dietrich take my case if I'm outside Chicago?
Dietrich 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 — Dietrich 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 Dietrich?
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. Dietrich will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Dietrich accepting new business clients right now?
Dietrich'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
Dietrich handles business matters throughout Illinois. Each city below is a direct link into the search page for verified business attorneys in that community.
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