Keith S. Van Duyne, General Attorney in Chicago, Illinois
Over 25 years of legal practice · focused on General, Patent, and Trademark
AttorneyatLadas & Parry LLP
Chicago, IL
Practicing general in Chicago since 2001.
- 25+
- Years practicing
- 2
- Bar admissions
Practices in
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Quick answer
Keith S. Van Duyne is an attorney based in Chicago, IL. The practice focuses on General, Patent, and Trademark. Keith has over 25 years of legal experience. Currently practicing at Ladas & Parry LLP.
- Based in
- Chicago, IL
- Experience
- over 25 years
- Known for
- General · Patent · Trademark
- Handles General, Patent, and Trademark matters from Chicago, IL.
- Over 25 years of practice as a licensed attorney.
About Keith S. Van Duyne: Keith S. Van Duyne is an attorney based in Chicago, IL. The practice focuses on General, Patent, and Trademark. Keith has over 25 years of legal experience. Currently practicing at Ladas & Parry LLP.
Areas of practice
Keith's practice areas in Chicago
Keith concentrates on general, patent, trademark, and trade secrets. Each area below outlines the kind of case Keith handles, typical outcomes to expect, and how the intake process starts.
General
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Patent
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Trademark
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Trade Secrets
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General cases in Chicago, Illinois
Keith 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 Keith agrees to represent you.
Patent cases in Chicago, Illinois
Keith takes patent 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 Keith agrees to represent you.
Trademark cases in Chicago, Illinois
Keith takes trademark 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 Keith agrees to represent you.
Trade Secrets cases in Chicago, Illinois
Keith takes trade secrets 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 Keith agrees to represent you.
Biography
Keith S. Van Duyne, general attorney serving Chicago
Keith S. Van Duyne is an attorney based in Chicago, IL. The practice focuses on General, Patent, and Trademark. Keith has over 25 years of legal experience. Currently practicing at Ladas & Parry LLP. Keith works from Chicago, Illinois and takes on general matters across the region.
Mr. Keith S. Van Duyne is a lawyer practicing patents - electrical engineering, designs, trademarks and 8 other areas of law. Keith received a B.S. degree from Arizona State University in 1986, and has been licensed for 25 years. Keith practices at Ladas & Parry LLP in Chicago, IL.
How Keith handles general matters
Mr. Keith S. Van Duyne is a lawyer practicing patents - electrical engineering, designs, trademarks and 8 other areas of law. Keith received a B.S. degree from Arizona State University in 1986, and has been licensed for 25 years. Keith practices at Ladas & Parry LLP in Chicago, IL.
Who Keith represents
Keith reviews new inquiries case-by-case for general, patent, and trademark matters in Chicago and the surrounding Illinois area.
Credentials
Credentials — where Keith studied and practices
Chicago Kent College of Law J.D. Certificate in Intellectual Property Law 2000
—
Arizona State University
B.S. Illinois · 1986
Jurisdictions
Keith's state bar admissions
District of Columbia
2008 · ACTIVE
Illinois
2001 · ACTIVE
Keith studied at — in Chicago Kent College of Law J.D. Certificate in Intellectual Property Law 2000 and B.S. Illinois in Arizona State University.
Law school and academic background
Keith completed — in Chicago Kent College of Law J.D. Certificate in Intellectual Property Law 2000 and B.S. Illinois in Arizona State University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Keith runs in Illinois is where that training gets applied to real client questions.
Affiliations
Keith's professional memberships and bar associations
ASSOCIATIONS & ORGANIZATIONS Illinois Bar Association Chicago Bar Association
membership
Locations
Keith S. Van Duyne's office in Chicago
Keith's primary office is at 224 South Michigan Avenue, Suite 1600, Chicago, IL, 60604. In-person meetings are by appointment; a phone intake usually comes first.
Ladas & Parry LLP
224 South Michigan Avenue, Suite 1600
Chicago, IL 60604
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Schedule your consultationHiring guide
How to hire Keith S. Van Duyne — what to expect in your first consultation
Working with a new general attorney should feel structured. Here's how the first two conversations with Keith usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Keith charges for the initial consult. That fee is credited toward representation if you retain Keith'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; Keith will tell you what matters and what doesn't.
Questions to ask a general attorney in Chicago, Illinois
A short list to run through before you commit: How many general 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 Keith
Keith discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in general practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every general 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. Keith confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Keith's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many general practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Keith S. Van Duyne
How much does it cost to hire Keith for a general case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Keith walks through the likely range during the consult so there are no surprises.
Does Keith offer a free consultation?
Keith charges for the initial consult; that fee is credited toward representation if you retain Keith's office. Some general attorneys offer free consults — check Keith's current terms during booking.
How long do general cases in Illinois typically take?
Simple general 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. Keith gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Keith take my case if I'm outside Chicago?
Keith 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 — Keith 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 Keith?
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. Keith will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Keith accepting new general clients right now?
Keith's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
General attorneys serving Chicago, Springfield and Northbrook in Illinois
Keith handles general matters throughout Illinois. Each city below is a direct link into the search page for verified general attorneys in that community.
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