Diane Mar Wiesmann

Diane Mar Wiesmann, Employment Attorney in Riverside, California

Over 40 years of legal practice · focused on Employment, Health Care, and Litigation

PartneratThompson & Colegate LLP

Riverside, CA

Practicing employment in Riverside since 1986.

40+
Years practicing
2
Bar admissions

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Quick answer

Diane Mar Wiesmann is a partner based in Riverside, CA. The practice focuses on Employment, Health Care, and Litigation. Diane has over 40 years of legal experience. Currently practicing at Thompson & Colegate LLP.

Based in
Riverside, CA
Experience
over 40 years
Known for
Employment · Health Care · Litigation
  • Handles Employment, Health Care, and Litigation matters from Riverside, CA.
  • Over 40 years of practice as a licensed attorney.

About Diane Mar Wiesmann: Diane Mar Wiesmann is a partner based in Riverside, CA. The practice focuses on Employment, Health Care, and Litigation. Diane has over 40 years of legal experience. Currently practicing at Thompson & Colegate LLP.

Areas of practice

Diane's practice areas in Riverside

Diane concentrates on employment, health care, litigation, medical malpractice, and product liability. Each area below outlines the kind of case Diane handles, typical outcomes to expect, and how the intake process starts.

Employment cases in Riverside, California

Diane takes employment matters in Riverside, 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 Diane agrees to represent you.

Health Care cases in Riverside, California

Diane takes health care matters in Riverside, 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 Diane agrees to represent you.

Litigation cases in Riverside, California

Diane takes litigation matters in Riverside, 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 Diane agrees to represent you.

Medical Malpractice cases in Riverside, California

Diane takes medical malpractice matters in Riverside, 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 Diane agrees to represent you.

Product Liability cases in Riverside, California

Diane takes product liability matters in Riverside, 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 Diane agrees to represent you.

Biography

Diane Mar Wiesmann, employment attorney serving Riverside

Diane Mar Wiesmann is a partner based in Riverside, CA. The practice focuses on Employment, Health Care, and Litigation. Diane has over 40 years of legal experience. Currently practicing at Thompson & Colegate LLP. Diane works from Riverside, California and takes on employment matters across the region.

Diane Wiesmann served the community as a Deputy District Attorney for Riverside County from 1986-1989. Thereafter, she entered private practice in civil litigation defense, developing an interest in healthcare provider defense and advising. She handles jury trials, court trials, mediations and arbitrations.

Working with Diane on a employment matter

Diane Wiesmann served the community as a Deputy District Attorney for Riverside County from 1986-1989. Thereafter, she entered private practice in civil litigation defense, developing an interest in healthcare provider defense and advising. She handles jury trials, court trials, mediations and arbitrations.

Clients Diane works with

Diane reviews new inquiries case-by-case for employment, health care, and litigation matters in Riverside and the surrounding California area.

Credentials

Credentials — where Diane studied and practices

  • University of Arizona School of Law

    J.D. · 1986

  • University of Arizona

    B.A. English · 1983

Jurisdictions

Diane's state bar admissions

  • U.S. District Court,

    2000 · ACTIVE

  • California

    1986 · ACTIVE

Diane studied at J.D. in University of Arizona School of Law and B.A. English in University of Arizona.

Law school and academic background

Diane completed J.D. in University of Arizona School of Law and B.A. English in University of Arizona. Formal legal training is one signal of substantive knowledge — the day-to-day practice Diane runs in California is where that training gets applied to real client questions.

Locations

Diane Mar Wiesmann's office in Riverside

Diane's primary office is at 3610 Fourteenth Street, Riverside, CA, 92501-3837. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Thompson & Colegate LLP

3610 Fourteenth Street

Riverside, CA 92501-3837

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Client feedback

Client reviews of Diane Mar Wiesmann

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Hiring guide

How to hire Diane Mar Wiesmann — what to expect in your first consultation

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

Consultation formats and pricing

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

Questions to ask a employment attorney in Riverside, California

A short list to run through before you commit: How many employment 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 Diane

Diane discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in employment practice — ask which fits.

Hourly rates, contingency fees, and flat-fee options

Every employment 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. Diane confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

Diane's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many employment practices work with clients on structured schedules.

Frequently asked

Frequently asked questions about Diane Mar Wiesmann

  • How much does it cost to hire Diane for a employment case?

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

  • Does Diane offer a free consultation?

    Diane charges for the initial consult; that fee is credited toward representation if you retain Diane's office. Some employment attorneys offer free consults — check Diane's current terms during booking.

  • How long do employment cases in California typically take?

    Simple employment 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. Diane gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can Diane take my case if I'm outside Riverside?

    Diane 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 — Diane 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 Diane?

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

  • Is Diane accepting new employment clients right now?

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

Areas served

Employment attorneys serving Riverside, Los Angeles and San Francisco in California

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

More counsel

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