MD

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

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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 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.

Main office

Sidley Austin LLP

555 California St., Ste. 2000

San Francisco, CA 94104

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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 reviews

Hiring 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.

More counsel

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