Leonard Jacob Brenner

Leonard Jacob Brenner, Business Attorney in Northbrook, Illinois

Over 41 years of legal practice · focused on Business, Estate Planning, and IRS

MemberatLeonard J. Brenner, Ltd.

Northbrook, IL

Practicing business in Northbrook since 1985.

41+
Years practicing
3
Bar admissions

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Quick answer

Leonard Jacob Brenner is a member based in Northbrook, IL. The practice focuses on Business, Estate Planning, and IRS. Leonard has over 41 years of legal experience. Currently practicing at Leonard J. Brenner, Ltd..

Based in
Northbrook, IL
Experience
over 41 years
Known for
Business · Estate Planning · IRS
  • Handles Business, Estate Planning, and IRS matters from Northbrook, IL.
  • Over 41 years of practice as a licensed attorney.

About Leonard Jacob Brenner: Leonard Jacob Brenner is a member based in Northbrook, IL. The practice focuses on Business, Estate Planning, and IRS. Leonard has over 41 years of legal experience. Currently practicing at Leonard J. Brenner, Ltd..

Areas of practice

Legal matters Leonard takes on

Leonard concentrates on business, estate planning, irs, probate, and real estate. Each area below outlines the kind of case Leonard handles, typical outcomes to expect, and how the intake process starts.

Business cases in Northbrook, Illinois

Leonard takes business matters in Northbrook, 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 Leonard agrees to represent you.

Estate Planning cases in Northbrook, Illinois

Leonard takes estate planning matters in Northbrook, 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 Leonard agrees to represent you.

IRS cases in Northbrook, Illinois

Leonard takes irs matters in Northbrook, 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 Leonard agrees to represent you.

Probate cases in Northbrook, Illinois

Leonard takes probate matters in Northbrook, 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 Leonard agrees to represent you.

Real Estate cases in Northbrook, Illinois

Leonard takes real estate matters in Northbrook, 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 Leonard agrees to represent you.

Biography

Meet Leonard Jacob Brenner — business lawyer in Northbrook

Leonard Jacob Brenner is a member based in Northbrook, IL. The practice focuses on Business, Estate Planning, and IRS. Leonard has over 41 years of legal experience. Currently practicing at Leonard J. Brenner, Ltd..

Leonard Jacob Brenner is a lawyer practicing business, corporate law, tax controversies and 3 other areas of law. Leonard received a B.S. degree from Northern Illinois University in 1979, and has been licensed for 41 years. Leonard practices at Leonard J. Brenner, Ltd. in Northbrook, IL.

Working with Leonard on a business matter

Leonard Jacob Brenner is a lawyer practicing business, corporate law, tax controversies and 3 other areas of law. Leonard received a B.S. degree from Northern Illinois University in 1979, and has been licensed for 41 years. Leonard practices at Leonard J. Brenner, Ltd. in Northbrook, IL.

Who Leonard represents

Leonard reviews new inquiries case-by-case for business, estate planning, and irs matters in Northbrook and the surrounding Illinois area.

Credentials

Education, bar admissions, and languages

  • University of San Diego

    J.D. · 1984

  • Northern Illinois University

    B.S. · 1979

Jurisdictions

Leonard's state bar admissions

  • Wisconsin

    1999 · ACTIVE

  • U.S. District Court,

    1987 · ACTIVE

  • Illinois

    1985 · ACTIVE

Leonard studied at J.D. in University of San Diego and B.S. in Northern Illinois University.

Law school and academic background

Leonard completed J.D. in University of San Diego and B.S. in Northern Illinois University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Leonard runs in Illinois is where that training gets applied to real client questions.

Affiliations

Leonard's professional memberships and bar associations

  • Illinois State and American Bar Associations American Association of Attorney-Certified Public Accountants

    membership

Locations

Leonard Jacob Brenner's office in Northbrook

Leonard's primary office is at 555 Skokie Boulevard, Suite 500, Northbrook, IL, 60062-2845. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Leonard J. Brenner, Ltd.

555 Skokie Boulevard, Suite 500

Northbrook, IL 60062-2845

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Client feedback

Client reviews of Leonard Jacob Brenner

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Hiring guide

How to hire Leonard Jacob Brenner — what to expect in your first consultation

Working with a new business attorney should feel structured. Here's how the first two conversations with Leonard usually go, from the moment you request a consult to the day representation begins.

Consultation formats and pricing

Leonard charges for the initial consult. That fee is credited toward representation if you retain Leonard'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; Leonard will tell you what matters and what doesn't.

Questions to ask a business attorney in Northbrook, 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 Leonard

Leonard 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. Leonard confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

Leonard'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 Leonard Jacob Brenner

  • How much does it cost to hire Leonard for a business case?

    Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Leonard walks through the likely range during the consult so there are no surprises.

  • Does Leonard offer a free consultation?

    Leonard charges for the initial consult; that fee is credited toward representation if you retain Leonard's office. Some business attorneys offer free consults — check Leonard'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. Leonard gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can Leonard take my case if I'm outside Northbrook?

    Leonard 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 — Leonard 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 Leonard?

    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. Leonard will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is Leonard accepting new business clients right now?

    Leonard'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 Northbrook, Chicago and Springfield in Illinois

Leonard 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

If Leonard's intake is full or the fit isn't right, these business attorneys in Northbrook handle similar matters. Every profile below is verified and open to consultations.