Mark David Whatley, Business Attorney in San Francisco, California
Over 46 years of legal practice · focused on Business, General, and Securities · 5.0/5 rating from 1 verified client review
PartneratSidley Austin LLP
San Francisco, CA
Practicing business in San Francisco since 1980.
- 46+
- Years practicing
- 5.0 ★
- 1 client review
- 2
- Bar admissions
Practices in
Are you Mark David Whatley?
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Quick answer
Mark David Whatley is a partner based in San Francisco, CA. The practice focuses on Business, General, and Securities. Mark has over 46 years of legal experience. Currently practicing at Sidley Austin LLP. Rated 5.0 out of 5 from 1 client review.
- Based in
- San Francisco, CA
- Experience
- over 46 years
- Known for
- Business · General · Securities
- Handles Business, General, and Securities matters from San Francisco, CA.
- Over 46 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About Mark David Whatley: Mark David Whatley is a partner based in San Francisco, CA. The practice focuses on Business, General, and Securities. Mark has over 46 years of legal experience. Currently practicing at Sidley Austin LLP. Rated 5.0 out of 5 from 1 client review.
Areas of practice
Legal matters Mark takes on
Mark concentrates on business, general, securities, trusts, and consumer. Each area below outlines the kind of case Mark handles, typical outcomes to expect, and how the intake process starts.
Business
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General
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Securities
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Trusts
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Consumer
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Business cases in San Francisco, California
Mark 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 Mark agrees to represent you.
General cases in San Francisco, California
Mark 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 Mark agrees to represent you.
Securities cases in San Francisco, California
Mark takes securities 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 Mark agrees to represent you.
Trusts cases in San Francisco, California
Mark takes trusts 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 Mark agrees to represent you.
Consumer cases in San Francisco, California
Mark 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 Mark agrees to represent you.
Biography
Meet Mark David Whatley — business lawyer in San Francisco
Mark David Whatley is a partner based in San Francisco, CA. The practice focuses on Business, General, and Securities. Mark has over 46 years of legal experience. Currently practicing at Sidley Austin LLP. Rated 5.0 out of 5 from 1 client review.
Mr. Mark David Whatley is a lawyer practicing banking and financial services, investment funds, advisers and derivatives and 4 other areas of law. Mark received a B.A. degree from University of Tennessee at Knoxville in 1976, and has been licensed for 46 years. Mark practices at Sidley Austin LLP in San Francisco, CA.
Working with Mark on a business matter
Mr. Mark David Whatley is a lawyer practicing banking and financial services, investment funds, advisers and derivatives and 4 other areas of law. Mark received a B.A. degree from University of Tennessee at Knoxville in 1976, and has been licensed for 46 years. Mark practices at Sidley Austin LLP in San Francisco, CA.
Clients Mark works with
Mark reviews new inquiries case-by-case for business, general, and securities matters in San Francisco and the surrounding California area.
Credentials
Education, bar admissions, and languages
Boalt Hall School of Law, University of California
J.D. · 1980
University of Tennessee at Knoxville
B.A. Economics · 1976
Jurisdictions
Mark's state bar admissions
District of Columbia
1982 · ACTIVE
California
1980 · ACTIVE
Mark studied at J.D. in Boalt Hall School of Law, University of California and B.A. Economics in University of Tennessee at Knoxville.
Law school and academic background
Mark completed J.D. in Boalt Hall School of Law, University of California and B.A. Economics in University of Tennessee at Knoxville. Formal legal training is one signal of substantive knowledge — the day-to-day practice Mark runs in California is where that training gets applied to real client questions.
Recognition
Recognition and thought leadership
Mark has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Locations
Mark David Whatley's office in San Francisco
Mark's primary office is at 555 California St., Ste. 2000, San Francisco, CA, 94104. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Mark David Whatley — 5.0/5 rating from 1 verified client review
Every review below is from a verified client of Mark. 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 Mark David Whatley claims this profile.
Read all reviewsHiring guide
How to hire Mark David Whatley — what to expect in your first consultation
Working with a new business attorney should feel structured. Here's how the first two conversations with Mark usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Mark charges for the initial consult. That fee is credited toward representation if you retain Mark'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; Mark 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 Mark
Mark 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. Mark confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Mark'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 Mark David Whatley
How much does it cost to hire Mark for a business case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Mark walks through the likely range during the consult so there are no surprises.
Does Mark offer a free consultation?
Mark charges for the initial consult; that fee is credited toward representation if you retain Mark's office. Some business attorneys offer free consults — check Mark'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. Mark gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Mark take my case if I'm outside San Francisco?
Mark 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 — Mark 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 Mark?
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. Mark will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Mark accepting new business clients right now?
Mark'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
Mark 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
More counsel
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