Terrence Aloysius Callan, Business Attorney in San Francisco, California
Over 61 years of legal practice · focused on Business, Consumer, and General · 5.0/5 rating from 1 verified client review
PartneratPillsbury Winthrop Shaw Pittman LLP
San Francisco, CA
Practicing business in San Francisco since 1965.
- 61+
- Years practicing
- 5.0 ★
- 1 client review
- 1
- Bar admission
Are you Terrence Aloysius Callan?
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Quick answer
Terrence Aloysius Callan is a partner based in San Francisco, CA. The practice focuses on Business, Consumer, and General. Terrence has over 61 years of legal experience. Currently practicing at Pillsbury Winthrop Shaw Pittman LLP. Rated 5.0 out of 5 from 1 client review.
- Based in
- San Francisco, CA
- Experience
- over 61 years
- Known for
- Business · Consumer · General
- Handles Business, Consumer, and General matters from San Francisco, CA.
- Over 61 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About Terrence Aloysius Callan: Terrence Aloysius Callan is a partner based in San Francisco, CA. The practice focuses on Business, Consumer, and General. Terrence has over 61 years of legal experience. Currently practicing at Pillsbury Winthrop Shaw Pittman LLP. Rated 5.0 out of 5 from 1 client review.
Areas of practice
Practice areas handled by Terrence Aloysius Callan
Terrence concentrates on business, consumer, general, ip, and litigation. Each area below outlines the kind of case Terrence handles, typical outcomes to expect, and how the intake process starts.
Business
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Consumer
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General
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IP
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Litigation
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M&A
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White Collar
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Business cases in San Francisco, California
Terrence takes business matters in San Francisco, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Terrence agrees to represent you.
Consumer cases in San Francisco, California
Terrence takes consumer matters in San Francisco, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Terrence agrees to represent you.
General cases in San Francisco, California
Terrence takes general matters in San Francisco, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Terrence agrees to represent you.
IP cases in San Francisco, California
Terrence takes ip matters in San Francisco, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Terrence agrees to represent you.
Litigation cases in San Francisco, California
Terrence takes litigation matters in San Francisco, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Terrence agrees to represent you.
Biography
About Terrence Aloysius Callan — Over 61 years of California business experience
Terrence Aloysius Callan is a partner based in San Francisco, CA. The practice focuses on Business, Consumer, and General. Terrence has over 61 years of legal experience. Currently practicing at Pillsbury Winthrop Shaw Pittman LLP. Rated 5.0 out of 5 from 1 client review.
Terrence Aloysius Callan is a lawyer practicing litigation, antitrust & competition, corporate investigations & white collar defense and 7 other areas of law. Terrence received a B.A. degree from University of San Francisco in 1961, and has been licensed for 61 years. Terrence practices at Pillsbury Winthrop Shaw Pittman LLP in San Francisco, CA.
Working with Terrence on a business matter
Terrence Aloysius Callan is a lawyer practicing litigation, antitrust & competition, corporate investigations & white collar defense and 7 other areas of law. Terrence received a B.A. degree from University of San Francisco in 1961, and has been licensed for 61 years. Terrence practices at Pillsbury Winthrop Shaw Pittman LLP in San Francisco, CA.
Who Terrence represents
Terrence reviews new inquiries case-by-case for business, consumer, and general matters in San Francisco and the surrounding California area.
Credentials
Terrence Aloysius Callan's legal education and bar admissions
Hastings College of the Law, University of California
J.D. · 1964
University of San Francisco
B.A. · 1961
Jurisdictions
Terrence's state bar admissions
California
1965 · ACTIVE
Terrence studied at J.D. in Hastings College of the Law, University of California and B.A. in University of San Francisco.
Law school and academic background
Terrence completed J.D. in Hastings College of the Law, University of California and B.A. in University of San Francisco. Formal legal training is one signal of substantive knowledge — the day-to-day practice Terrence runs in California is where that training gets applied to real client questions.
Recognition
Awards, publications, and recognition of Terrence Aloysius Callan
Terrence has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Locations
Office locations for Terrence Aloysius Callan in San Francisco, California
Terrence's primary office is at San Francisco, CA, 94126. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Terrence Aloysius Callan — 5.0/5 rating from 1 verified client review
Every review below is from a verified client of Terrence. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing business attorneys in San Francisco.
5.0
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Terrence Aloysius Callan claims this profile.
Read all reviewsHiring guide
How to hire Terrence Aloysius Callan — what to expect in your first consultation
Working with a new business attorney should feel structured. Here's how the first two conversations with Terrence usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Terrence charges for the initial consult. That fee is credited toward representation if you retain Terrence'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; Terrence will tell you what matters and what doesn't.
Questions to ask a business attorney in San Francisco, California
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 Terrence
Terrence 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. Terrence confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Terrence'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 Terrence Aloysius Callan
How much does it cost to hire Terrence for a business case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Terrence walks through the likely range during the consult so there are no surprises.
Does Terrence offer a free consultation?
Terrence charges for the initial consult; that fee is credited toward representation if you retain Terrence's office. Some business attorneys offer free consults — check Terrence's current terms during booking.
How long do business cases in California 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. Terrence gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Terrence take my case if I'm outside San Francisco?
Terrence is licensed in California. Matters governed by California law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Terrence 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 Terrence?
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. Terrence will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Terrence accepting new business clients right now?
Terrence'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 San Francisco, Los Angeles and San Diego in California
Terrence handles business matters throughout California. Each city below is a direct link into the search page for verified business attorneys in that community.
- San Francisco26,380 attorneys
- Los Angeles39,975 attorneys
- San Diego16,903 attorneys
- Sacramento10,561 attorneys
- Irvine6,831 attorneys
- Oakland5,709 attorneys
- San Jose5,009 attorneys
- Palo Alto4,084 attorneys
- Beverly Hills3,348 attorneys
- Newport Beach3,106 attorneys
- Pasadena2,894 attorneys
- Santa Monica2,756 attorneys
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