Jon Mark Thacker

Jon Mark Thacker, Business Attorney in San Jose, California

Over 35 years of legal practice · focused on Business, IP, and Litigation

Of CounselatRopers Majeski

San Jose, CA

Practicing business in San Jose since 1991.

35+
Years practicing
1
Bar admission

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Quick answer

Jon Mark Thacker is an of counsel based in San Jose, CA. The practice focuses on Business, IP, and Litigation. Jon has over 35 years of legal experience. Currently practicing at Ropers Majeski.

Based in
San Jose, CA
Experience
over 35 years
Known for
Business · IP · Litigation
  • Handles Business, IP, and Litigation matters from San Jose, CA.
  • Over 35 years of practice as a licensed attorney.

About Jon Mark Thacker: Jon Mark Thacker is an of counsel based in San Jose, CA. The practice focuses on Business, IP, and Litigation. Jon has over 35 years of legal experience. Currently practicing at Ropers Majeski.

Areas of practice

Practice areas handled by Jon Mark Thacker

Jon concentrates on business, ip, litigation, and product liability. Each area below outlines the kind of case Jon handles, typical outcomes to expect, and how the intake process starts.

Business cases in San Jose, California

Jon takes business matters in San Jose, 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 Jon agrees to represent you.

IP cases in San Jose, California

Jon takes ip matters in San Jose, 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 Jon agrees to represent you.

Litigation cases in San Jose, California

Jon takes litigation matters in San Jose, 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 Jon agrees to represent you.

Product Liability cases in San Jose, California

Jon takes product liability matters in San Jose, 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 Jon agrees to represent you.

Biography

About Jon Mark Thacker — Over 35 years of California business experience

Jon Mark Thacker is an of counsel based in San Jose, CA. The practice focuses on Business, IP, and Litigation. Jon has over 35 years of legal experience. Currently practicing at Ropers Majeski.

Jon Mark Thacker is a lawyer practicing business & commercial litigation, intellectual property, product liability & torts. Jon received a B.A. degree from University of Louisiana at Lafayette, and has been licensed for 35 years. Jon practices at Ropers Majeski in San Jose, CA.

How Jon handles business matters

Jon Mark Thacker is a lawyer practicing business & commercial litigation, intellectual property, product liability & torts. Jon received a B.A. degree from University of Louisiana at Lafayette, and has been licensed for 35 years. Jon practices at Ropers Majeski in San Jose, CA.

Who Jon represents

Jon reviews new inquiries case-by-case for business, ip, and litigation matters in San Jose and the surrounding California area.

Credentials

Jon Mark Thacker's legal education and bar admissions

  • Santa Clara University School of Law

    J.D. · 1991

  • University of Louisiana at Lafayette B.A.

Jurisdictions

Jon's state bar admissions

  • California USDC: Eas

    1991 · ACTIVE

Jon studied at J.D. in Santa Clara University School of Law and — in University of Louisiana at Lafayette B.A..

Law school and academic background

Jon completed J.D. in Santa Clara University School of Law and — in University of Louisiana at Lafayette B.A.. Formal legal training is one signal of substantive knowledge — the day-to-day practice Jon runs in California is where that training gets applied to real client questions.

Affiliations

Jon's professional memberships and bar associations

  • Memberships & Associations •State Bar of California •Santa Clara County Bar Association

    membership

Locations

Jon Mark Thacker's office in San Jose

Jon's primary office is at 50 West San Fernando Street, Suite 1300, San Jose, CA, 95113. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Ropers Majeski

50 West San Fernando Street, Suite 1300

San Jose, CA 95113

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Client feedback

Client reviews of Jon Mark Thacker

Jon 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 Jon Mark Thacker — what to expect in your first consultation

Working with a new business attorney should feel structured. Here's how the first two conversations with Jon usually go, from the moment you request a consult to the day representation begins.

Consultation formats and pricing

Jon charges for the initial consult. That fee is credited toward representation if you retain Jon'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; Jon will tell you what matters and what doesn't.

Questions to ask a business attorney in San Jose, 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 Jon

Jon 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. Jon confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

Jon'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 Jon Mark Thacker

  • How much does it cost to hire Jon for a business case?

    Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Jon walks through the likely range during the consult so there are no surprises.

  • Does Jon offer a free consultation?

    Jon charges for the initial consult; that fee is credited toward representation if you retain Jon's office. Some business attorneys offer free consults — check Jon'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. Jon gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can Jon take my case if I'm outside San Jose?

    Jon 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 — Jon 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 Jon?

    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. Jon will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is Jon accepting new business clients right now?

    Jon'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 Jose, Los Angeles and San Francisco in California

Jon 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

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