Daniel I. Hanrahan, IP Attorney in Chicago, Illinois
Over 26 years of legal practice · focused on IP, Litigation, and Patent · 4.8/5 rating from 6 verified client reviews
Chicago, IL
Practicing ip in Chicago since 2000.
- 26+
- Years practicing
- 4.8 ★
- 6 client reviews
- 4
- Bar admissions
Practices in
Are you Daniel I. Hanrahan?
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Quick answer
Daniel I. Hanrahan is an attorney based in Chicago, IL. The practice focuses on IP, Litigation, and Patent. Daniel has over 26 years of legal experience. Rated 4.8 out of 5 from 6 client reviews.
- Based in
- Chicago, IL
- Experience
- over 26 years
- Known for
- IP · Litigation · Patent
- Handles IP, Litigation, and Patent matters from Chicago, IL.
- Over 26 years of practice as a licensed attorney.
- Recognized with Peer Reviewed.
About Daniel I. Hanrahan: Daniel I. Hanrahan is an attorney based in Chicago, IL. The practice focuses on IP, Litigation, and Patent. Daniel has over 26 years of legal experience. Rated 4.8 out of 5 from 6 client reviews.
Areas of practice
Daniel's practice areas in Chicago
Daniel concentrates on ip, litigation, and patent. Each area below outlines the kind of case Daniel handles, typical outcomes to expect, and how the intake process starts.
IP cases in Chicago, Illinois
Daniel takes ip 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 Daniel agrees to represent you.
Litigation cases in Chicago, Illinois
Daniel takes litigation 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 Daniel agrees to represent you.
Patent cases in Chicago, Illinois
Daniel 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 Daniel agrees to represent you.
Biography
Daniel I. Hanrahan, ip attorney serving Chicago
Daniel I. Hanrahan is an attorney based in Chicago, IL. The practice focuses on IP, Litigation, and Patent. Daniel has over 26 years of legal experience. Rated 4.8 out of 5 from 6 client reviews. Daniel works from Chicago, Illinois and takes on ip matters across the region.
Daniel I. Hanrahan is a lawyer practicing patent application, litigation, patents and 1 other area of law. Daniel received a B.S.M.E. degree from Marquette University in 1997, and has been licensed for 26 years. Daniel practices in Chicago, IL.
Daniel's approach to ip cases
Daniel I. Hanrahan is a lawyer practicing patent application, litigation, patents and 1 other area of law. Daniel received a B.S.M.E. degree from Marquette University in 1997, and has been licensed for 26 years. Daniel practices in Chicago, IL.
Clients Daniel works with
Daniel reviews new inquiries case-by-case for ip, litigation, and patent matters in Chicago and the surrounding Illinois area.
Credentials
Credentials — where Daniel studied and practices
Marquette University
J.D. · 2000
Marquette University
B.S.M.E. · 1997
Jurisdictions
Daniel's state bar admissions
Illinois registered
2015 · ACTIVE
U.S. District Court,
2003 · ACTIVE
U.S. District Court,
2003 · ACTIVE
Wisconsin
2000 · ACTIVE
Daniel studied at J.D. in Marquette University and B.S.M.E. in Marquette University.
Law school and academic background
Daniel completed J.D. in Marquette University and B.S.M.E. in Marquette University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Daniel runs in Illinois is where that training gets applied to real client questions.
Recognition
Daniel's legal honors and published work
Daniel has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
Peer Reviewed
Legal awards and honors
Peer Reviewed.
Affiliations
Daniel's professional memberships and bar associations
State Bar of Wisconsin
membership
Locations
Daniel I. Hanrahan's office in Chicago
Daniel's primary office is at 181 W Madison St Fl 26, Chicago, IL, 60602-4510. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Daniel I. Hanrahan — 4.8/5 rating from 6 verified client reviews
Every review below is from a verified client of Daniel. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing ip attorneys in Chicago.
4.8
6 client reviews
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Daniel I. Hanrahan claims this profile.
Read all reviewsHiring guide
How to hire Daniel I. Hanrahan — what to expect in your first consultation
Working with a new ip attorney should feel structured. Here's how the first two conversations with Daniel usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Daniel charges for the initial consult. That fee is credited toward representation if you retain Daniel'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; Daniel will tell you what matters and what doesn't.
Questions to ask a ip attorney in Chicago, Illinois
A short list to run through before you commit: How many ip 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 Daniel
Daniel discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in ip practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every ip 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. Daniel confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Daniel's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many ip practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Daniel I. Hanrahan
How much does it cost to hire Daniel for a ip case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Daniel walks through the likely range during the consult so there are no surprises.
Does Daniel offer a free consultation?
Daniel charges for the initial consult; that fee is credited toward representation if you retain Daniel's office. Some ip attorneys offer free consults — check Daniel's current terms during booking.
How long do ip cases in Illinois typically take?
Simple ip 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. Daniel gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Daniel take my case if I'm outside Chicago?
Daniel 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 — Daniel 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 Daniel?
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. Daniel will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Daniel accepting new ip clients right now?
Daniel's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
IP attorneys serving Chicago, Springfield and Northbrook in Illinois
Daniel handles ip matters throughout Illinois. Each city below is a direct link into the search page for verified ip attorneys in that community.
More counsel
Other top-rated ip attorneys in Illinois
If Daniel's intake is full or the fit isn't right, these ip attorneys in Chicago handle similar matters. Every profile below is verified and open to consultations.





