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Calvin Eisenberg, Business Attorney in Chicago, Illinois

Over 64 years of legal practice · focused on Business, Estate Planning, and General · 5.0/5 rating from 1 verified client review

MemberatEisenberg & Janger

Chicago, IL

Practicing business in Chicago since 1962.

64+
Years practicing
5.0 ★
1 client review
1
Bar admission

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Quick answer

Calvin Eisenberg is a member based in Chicago, IL. The practice focuses on Business, Estate Planning, and General. Calvin has over 64 years of legal experience. Currently practicing at Eisenberg & Janger. Rated 5.0 out of 5 from 1 client review.

Based in
Chicago, IL
Experience
over 64 years
Known for
Business · Estate Planning · General
  • Handles Business, Estate Planning, and General matters from Chicago, IL.
  • Over 64 years of practice as a licensed attorney.
  • Recognized with AV Preeminent.

About Calvin Eisenberg: Calvin Eisenberg is a member based in Chicago, IL. The practice focuses on Business, Estate Planning, and General. Calvin has over 64 years of legal experience. Currently practicing at Eisenberg & Janger. Rated 5.0 out of 5 from 1 client review.

Areas of practice

Legal matters Calvin takes on

Calvin concentrates on business, estate planning, general, international tax, and m&a. Each area below outlines the kind of case Calvin handles, typical outcomes to expect, and how the intake process starts.

Business cases in Chicago, Illinois

Calvin 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 Calvin agrees to represent you.

Estate Planning cases in Chicago, Illinois

Calvin takes estate planning 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 Calvin agrees to represent you.

General cases in Chicago, Illinois

Calvin 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 Calvin agrees to represent you.

International Tax cases in Chicago, Illinois

Calvin takes international tax 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 Calvin agrees to represent you.

M&A cases in Chicago, Illinois

Calvin 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 Calvin agrees to represent you.

Biography

Meet Calvin Eisenberg — business lawyer in Chicago

Calvin Eisenberg is a member based in Chicago, IL. The practice focuses on Business, Estate Planning, and General. Calvin has over 64 years of legal experience. Currently practicing at Eisenberg & Janger. Rated 5.0 out of 5 from 1 client review.

Calvin Eisenberg is a lawyer practicing business and corporate, strategic planning and transactions, mergers and acquisitions and 3 other areas of law. Calvin has been licensed for 64 years. Calvin practices at Eisenberg & Janger in Chicago, IL.

Calvin's approach to business cases

Calvin Eisenberg is a lawyer practicing business and corporate, strategic planning and transactions, mergers and acquisitions and 3 other areas of law. Calvin has been licensed for 64 years. Calvin practices at Eisenberg & Janger in Chicago, IL.

Clients Calvin works with

Calvin reviews new inquiries case-by-case for business, estate planning, and general matters in Chicago and the surrounding Illinois area.

Credentials

Education, bar admissions, and languages

  • DePaul University

    LL.B. · 1962

Jurisdictions

Calvin's state bar admissions

  • Illinois

    1962 · ACTIVE

Calvin studied at LL.B. in DePaul University.

Law school and academic background

Calvin completed LL.B. in DePaul University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Calvin runs in Illinois is where that training gets applied to real client questions.

Recognition

Recognition and thought leadership

Calvin has received 1 formal recognition from bar associations, industry bodies, and peer-review services.

  • AV Preeminent

Legal awards and honors

AV Preeminent.

Affiliations

Calvin's professional memberships and bar associations

  • Chicago, Illinois State and American (Member, Federal Tax Committee, 1964—) Bar Associations

    membership

Locations

Calvin Eisenberg's office in Chicago

Calvin's primary office is at 77 West Wacker Drive, 46th Floor, Chicago, IL, 60601-1635. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Eisenberg & Janger

77 West Wacker Drive, 46th Floor

Chicago, IL 60601-1635

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Client feedback

Client reviews of Calvin Eisenberg — 5.0/5 rating from 1 verified client review

Every review below is from a verified client of Calvin. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing business attorneys in Chicago.

5.0

1 client review

Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Calvin Eisenberg claims this profile.

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Hiring guide

How to hire Calvin Eisenberg — what to expect in your first consultation

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

Consultation formats and pricing

Calvin charges for the initial consult. That fee is credited toward representation if you retain Calvin'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; Calvin 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 Calvin

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

Payment methods and payment plans

Calvin'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 Calvin Eisenberg

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

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

  • Does Calvin offer a free consultation?

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

  • Can Calvin take my case if I'm outside Chicago?

    Calvin 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 — Calvin 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 Calvin?

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

  • Is Calvin accepting new business clients right now?

    Calvin'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

Calvin 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 Calvin'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.