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Mary O Pierson, Business Attorney in Baton Rouge, Louisiana

Over 56 years of legal practice · focused on Business, Contracts, and General · 5.0/5 rating from 1 verified client review

Practicing business in Baton Rouge since 1970.

56+
Years practicing
5.0 ★
1 client review
1
Bar admission

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Quick answer

Mary O Pierson is a member based in Baton Rouge, LA. The practice focuses on Business, Contracts, and General. Mary has over 56 years of legal experience. Currently practicing at Mary Olive Pierson, Attorney at Law. Rated 5.0 out of 5 from 1 client review.

Based in
Baton Rouge, LA
Experience
over 56 years
Known for
Business · Contracts · General
  • Handles Business, Contracts, and General matters from Baton Rouge, LA.
  • Over 56 years of practice as a licensed attorney.
  • Recognized with AV Preeminent.

About Mary O Pierson: Mary O Pierson is a member based in Baton Rouge, LA. The practice focuses on Business, Contracts, and General. Mary has over 56 years of legal experience. Currently practicing at Mary Olive Pierson, Attorney at Law. Rated 5.0 out of 5 from 1 client review.

Areas of practice

Legal matters Mary takes on

Mary concentrates on business, contracts, general, litigation, and white collar. Each area below outlines the kind of case Mary handles, typical outcomes to expect, and how the intake process starts.

Business cases in Baton Rouge, Louisiana

Mary takes business matters in Baton Rouge, Louisiana. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Mary agrees to represent you.

Contracts cases in Baton Rouge, Louisiana

Mary takes contracts matters in Baton Rouge, Louisiana. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Mary agrees to represent you.

General cases in Baton Rouge, Louisiana

Mary takes general matters in Baton Rouge, Louisiana. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Mary agrees to represent you.

Litigation cases in Baton Rouge, Louisiana

Mary takes litigation matters in Baton Rouge, Louisiana. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Mary agrees to represent you.

White Collar cases in Baton Rouge, Louisiana

Mary takes white collar matters in Baton Rouge, Louisiana. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Mary agrees to represent you.

Biography

Meet Mary O Pierson — business lawyer in Baton Rouge

Mary O Pierson is a member based in Baton Rouge, LA. The practice focuses on Business, Contracts, and General. Mary has over 56 years of legal experience. Currently practicing at Mary Olive Pierson, Attorney at Law. Rated 5.0 out of 5 from 1 client review.

Mary O Pierson is a lawyer practicing commercial law, contracts, white collar crime and 4 other areas of law. Mary received a B.S. degree from Louisiana State University in 1966, and has been licensed for 56 years. Mary practices at Mary Olive Pierson, Attorney at Law in Baton Rouge, LA.

Working with Mary on a business matter

Mary O Pierson is a lawyer practicing commercial law, contracts, white collar crime and 4 other areas of law. Mary received a B.S. degree from Louisiana State University in 1966, and has been licensed for 56 years. Mary practices at Mary Olive Pierson, Attorney at Law in Baton Rouge, LA.

Who Mary represents

Mary reviews new inquiries case-by-case for business, contracts, and general matters in Baton Rouge and the surrounding Louisiana area.

Credentials

Education, bar admissions, and languages

  • Louisiana State University Law School

    J.D. · 1970

  • Louisiana State University

    B.S. · 1966

Jurisdictions

Mary's state bar admissions

  • Louisiana

    1970 · ACTIVE

Mary studied at J.D. in Louisiana State University Law School and B.S. in Louisiana State University.

Law school and academic background

Mary completed J.D. in Louisiana State University Law School and B.S. in Louisiana State University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Mary runs in Louisiana is where that training gets applied to real client questions.

Recognition

Recognition and thought leadership

Mary has received 1 formal recognition from bar associations, industry bodies, and peer-review services.

  • AV Preeminent

Legal awards and honors

AV Preeminent.

Affiliations

Mary's professional memberships and bar associations

  • Baton Rouge, Louisiana State (Member, House of Delegates, 1974-1979) and American Bar Associations Louisiana Trial Lawyers Association

    membership

Locations

Office locations for Mary O Pierson in Baton Rouge, Louisiana

Mary's primary office is at Baton Rouge, LA, 70898. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Mary Olive Pierson, Attorney at Law

Baton Rouge, LA 70898

Open in Google Maps

Client feedback

Client reviews of Mary O Pierson — 5.0/5 rating from 1 verified client review

Every review below is from a verified client of Mary. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing business attorneys in Baton Rouge.

5.0

1 client review

Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Mary O Pierson claims this profile.

Read all reviews

Hiring guide

How to hire Mary O Pierson — what to expect in your first consultation

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

Consultation formats and pricing

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

Questions to ask a business attorney in Baton Rouge, Louisiana

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 Mary

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

Payment methods and payment plans

Mary'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 Mary O Pierson

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

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

  • Does Mary offer a free consultation?

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

  • How long do business cases in Louisiana 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. Mary gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can Mary take my case if I'm outside Baton Rouge?

    Mary is licensed in Louisiana. Matters governed by Louisiana law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Mary 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 Mary?

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

  • Is Mary accepting new business clients right now?

    Mary'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 Baton Rouge, New Orleans and Metairie in Louisiana

Mary handles business matters throughout Louisiana. Each city below is a direct link into the search page for verified business attorneys in that community.

More counsel

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