How much does it cost to hire Mark for a class action 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 class action attorneys offer free consults — check Mark's current terms during booking.

How long do class action cases in California typically take?

Simple class action 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 class action clients right now?

Mark's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.

Unclaimed · Is this you?

Mark P Diperna, Class Action Attorney in San Francisco, California

Over 18 years of legal practice · focused on Class Action, Consumer, and Litigation

AssociateatDechert LLP

San Francisco, CA

Practicing class action in San Francisco since 2008.

18+: Years practicing
1: Bar admission

Practices in

Class Action Consumer Litigation Securities White Collar

Are you Mark P Diperna?

This profile was built from public bar records and is still unclaimed. Claim it free to control your photo, bio, and fees — and get client inquiries sent straight to you.

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Quick answer

Based in: San Francisco, CA
Experience: over 18 years
Known for: Class Action · Consumer · Litigation

Handles Class Action, Consumer, and Litigation matters from San Francisco, CA.
Over 18 years of practice as a licensed attorney.

Areas of practice

Mark's practice areas in San Francisco

Mark concentrates on class action, consumer, litigation, securities, and white collar. Each area below outlines the kind of case Mark handles, typical outcomes to expect, and how the intake process starts.

Class Action cases in San Francisco, California

Mark takes class action 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.

Litigation cases in San Francisco, California

Mark 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 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.

White Collar cases in San Francisco, California

Mark takes white collar 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

Mark P Diperna, class action attorney serving San Francisco

Mark P Diperna is an associate based in San Francisco, CA. The practice focuses on Class Action, Consumer, and Litigation. Mark has over 18 years of legal experience. Currently practicing at Dechert LLP. Mark works from San Francisco, California and takes on class action matters across the region.

Mark P Diperna is a lawyer practicing securities / investment fraud, litigation, class actions and 3 other areas of law. Mark received a B.A. degree from Boston College in 2003, and has been licensed for 18 years. Mark practices at Dechert LLP in San Francisco, CA.

Mark's approach to class action cases

Clients Mark works with

Mark reviews new inquiries case-by-case for class action, consumer, and litigation matters in San Francisco and the surrounding California area.

Credentials

Credentials — where Mark studied and practices

University of California Hastings College of Law
J.D. · 2008
Boston College
B.A. · 2003

Jurisdictions

Mark's state bar admissions

California U.S. Dist
2008 · ACTIVE

Mark studied at J.D. in University of California Hastings College of Law and B.A. in Boston College.

Law school and academic background

Mark completed J.D. in University of California Hastings College of Law and B.A. in Boston College. 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.

Locations

Mark P Diperna's office in San Francisco

Mark's primary office is at One Maritime Plaza, Ste. 2300, San Francisco, CA, 94111-3513. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Dechert LLP

One Maritime Plaza, Ste. 2300

San Francisco, CA 94111-3513

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Client feedback

Client reviews of Mark P Diperna

Mark has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.

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Hiring guide

How to hire Mark P Diperna — what to expect in your first consultation

Working with a new class action 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 class action attorney in San Francisco, California

A short list to run through before you commit: How many class action 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 class action practice — ask which fits.

Hourly rates, contingency fees, and flat-fee options

Every class action 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 class action practices work with clients on structured schedules.

Frequently asked

Frequently asked questions about Mark P Diperna

How much does it cost to hire Mark for a class action 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 class action attorneys offer free consults — check Mark's current terms during booking.
How long do class action cases in California typically take?
Simple class action 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 class action 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

Class Action attorneys serving San Francisco, Los Angeles and San Diego in California

Mark handles class action matters throughout California. Each city below is a direct link into the search page for verified class action attorneys in that community.

More counsel

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