
Mark Timothy Jansen, General Attorney in San Francisco, California
Over 42 years of legal practice · focused on General, IP, and Litigation · 4.4/5 rating from 1 verified client review
PartneratCrowell & Moring LLP
San Francisco, CA
Practicing general in San Francisco since 1984.
- 42+
- Years practicing
- 4.4 ★
- 1 client review
- 1
- Bar admission
Practices in
Are you Mark Timothy Jansen?
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Quick answer
Mark Timothy Jansen is a partner based in San Francisco, CA. The practice focuses on General, IP, and Litigation. Mark has over 42 years of legal experience. Currently practicing at Crowell & Moring LLP. Rated 4.4 out of 5 from 1 client review.
- Based in
- San Francisco, CA
- Experience
- over 42 years
- Known for
- General · IP · Litigation
- Handles General, IP, and Litigation matters from San Francisco, CA.
- Over 42 years of practice as a licensed attorney.
- Recognized with BV Distinguished.
About Mark Timothy Jansen: Mark Timothy Jansen is a partner based in San Francisco, CA. The practice focuses on General, IP, and Litigation. Mark has over 42 years of legal experience. Currently practicing at Crowell & Moring LLP. Rated 4.4 out of 5 from 1 client review.
Areas of practice
Practice areas handled by Mark Timothy Jansen
Mark concentrates on general, ip, litigation, trade secrets, and business. Each area below outlines the kind of case Mark handles, typical outcomes to expect, and how the intake process starts.
General
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IP
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Litigation
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Trade Secrets
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Business
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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.
IP cases in San Francisco, California
Mark 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 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.
Trade Secrets cases in San Francisco, California
Mark takes trade secrets 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.
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.
Biography
About Mark Timothy Jansen — Over 42 years of California general experience
Mark Timothy Jansen is a partner based in San Francisco, CA. The practice focuses on General, IP, and Litigation. Mark has over 42 years of legal experience. Currently practicing at Crowell & Moring LLP. Rated 4.4 out of 5 from 1 client review.
Mark Timothy Jansen is a lawyer practicing intellectual property litigation, litigation & trial, trade secrets and 6 other areas of law. Mark received a B.A. degree from University of California, Santa Cruz in 1978, and has been licensed for 42 years. Mark practices at Crowell & Moring LLP in San Francisco, CA.
Mark's approach to general cases
Mark Timothy Jansen is a lawyer practicing intellectual property litigation, litigation & trial, trade secrets and 6 other areas of law. Mark received a B.A. degree from University of California, Santa Cruz in 1978, and has been licensed for 42 years. Mark practices at Crowell & Moring LLP in San Francisco, CA.
The kind of cases Mark takes
Mark reviews new inquiries case-by-case for general, ip, and litigation matters in San Francisco and the surrounding California area.
Credentials
Mark Timothy Jansen's legal education and bar admissions
University of California, Hastings College of the Law
J.D. · 1984
University of California, Santa Cruz
B.A. Chemistry · 1978
Jurisdictions
Mark's state bar admissions
California U.S. Supr
1984 · ACTIVE
Mark studied at J.D. in University of California, Hastings College of the Law and B.A. Chemistry in University of California, Santa Cruz.
Law school and academic background
Mark completed J.D. in University of California, Hastings College of the Law and B.A. Chemistry in University of California, Santa Cruz. 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
Awards, publications, and recognition of Mark Timothy Jansen
Mark has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
BV Distinguished
Legal awards and honors
BV Distinguished.
Locations
Mark Timothy Jansen's office in San Francisco
Mark's primary office is at 3 Embarcadero Cntr., 26th Fl, San Francisco, CA, 94111. In-person meetings are by appointment; a phone intake usually comes first.
Crowell & Moring LLP
3 Embarcadero Cntr., 26th Fl
San Francisco, CA 94111
Open in Google MapsClient feedback
Client reviews of Mark Timothy Jansen — 4.4/5 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 general attorneys in San Francisco.
4.4
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Mark Timothy Jansen claims this profile.
Read all reviewsHiring guide
How to hire Mark Timothy Jansen — what to expect in your first consultation
Working with a new general 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 general attorney in San Francisco, California
A short list to run through before you commit: How many general 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 general practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every general 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 general practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Mark Timothy Jansen
How much does it cost to hire Mark for a general 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 general attorneys offer free consults — check Mark's current terms during booking.
How long do general cases in California typically take?
Simple general 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 general 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
General attorneys serving San Francisco, Los Angeles and San Diego in California
Mark handles general matters throughout California. Each city below is a direct link into the search page for verified general 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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