Marni Jo Lerner, Formation Attorney in New York
Over 34 years of legal practice · focused on Formation, M&A, and Securities
PartneratSimpson Thacher & Bartlett LLP
New, NY
Practicing formation in New York since 1992.
- 34+
- Years practicing
- 1
- Bar admission
Practices in
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Quick answer
Marni Jo Lerner is a partner based in New York, NY. The practice focuses on Formation, M&A, and Securities. Marni has over 34 years of legal experience. Currently practicing at Simpson Thacher & Bartlett LLP.
- Based in
- New York, NY
- Experience
- over 34 years
- Known for
- Formation · M&A · Securities
- Handles Formation, M&A, and Securities matters from New York, NY.
- Over 34 years of practice as a licensed attorney.
About Marni Jo Lerner: Marni Jo Lerner is a partner based in New York, NY. The practice focuses on Formation, M&A, and Securities. Marni has over 34 years of legal experience. Currently practicing at Simpson Thacher & Bartlett LLP.
Areas of practice
Marni's practice areas in New York
Marni concentrates on formation, m&a, and securities. Each area below outlines the kind of case Marni handles, typical outcomes to expect, and how the intake process starts.
Formation
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M&A
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Securities
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Formation cases in New York
Marni takes formation matters in New York. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Marni agrees to represent you.
M&A cases in New York
Marni takes m&a matters in New York. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Marni agrees to represent you.
Securities cases in New York
Marni takes securities matters in New York. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Marni agrees to represent you.
Biography
Marni Jo Lerner, formation attorney serving New York
Marni Jo Lerner is a partner based in New York, NY. The practice focuses on Formation, M&A, and Securities. Marni has over 34 years of legal experience. Currently practicing at Simpson Thacher & Bartlett LLP. Marni works from New York and takes on formation matters across the region.
Marni Jo Lerner is a lawyer practicing mergers & acquisitions, corporate & incorporation, securities offerings. Marni received a degree from Amherst College in 1988, and has been licensed for 34 years. Marni practices at Simpson Thacher & Bartlett LLP in New York, NY.
How Marni handles formation matters
Marni Jo Lerner is a lawyer practicing mergers & acquisitions, corporate & incorporation, securities offerings. Marni received a degree from Amherst College in 1988, and has been licensed for 34 years. Marni practices at Simpson Thacher & Bartlett LLP in New York, NY.
The kind of cases Marni takes
Marni reviews new inquiries case-by-case for formation, m&a, and securities matters across New York.
Credentials
Credentials — where Marni studied and practices
Harvard Law School
J.D. · 1991
Amherst College
B.A. · 1988
Jurisdictions
Marni's state bar admissions
New York
1992 · ACTIVE
Marni studied at J.D. in Harvard Law School and B.A. in Amherst College.
Law school and academic background
Marni completed J.D. in Harvard Law School and B.A. in Amherst College. Formal legal training is one signal of substantive knowledge — the day-to-day practice Marni runs in New York is where that training gets applied to real client questions.
Affiliations
Marni's professional memberships and bar associations
The Association of the Bar of the City of New York
membership
Locations
Marni Jo Lerner's office in New York
Marni's primary office is at 425 Lexington Ave., New York, NY, 10017-3954. In-person meetings are by appointment; a phone intake usually comes first.
Simpson Thacher & Bartlett LLP
425 Lexington Ave.
New York, NY 10017-3954
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Schedule your consultationHiring guide
How to hire Marni Jo Lerner — what to expect in your first consultation
Working with a new formation attorney should feel structured. Here's how the first two conversations with Marni usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Marni charges for the initial consult. That fee is credited toward representation if you retain Marni'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; Marni will tell you what matters and what doesn't.
Questions to ask a formation attorney in New York
A short list to run through before you commit: How many formation 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 Marni
Marni discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in formation practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every formation 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. Marni confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Marni's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many formation practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Marni Jo Lerner
How much does it cost to hire Marni for a formation case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Marni walks through the likely range during the consult so there are no surprises.
Does Marni offer a free consultation?
Marni charges for the initial consult; that fee is credited toward representation if you retain Marni's office. Some formation attorneys offer free consults — check Marni's current terms during booking.
How long do formation cases in New York typically take?
Simple formation 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. Marni gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Marni take my case if I'm outside New York?
Marni is licensed in New York. Matters governed by New York law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Marni 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 Marni?
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. Marni will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Marni accepting new formation clients right now?
Marni's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Formation attorneys serving Albany and Brooklyn in New York
Marni handles formation matters throughout New York. Each city below is a direct link into the search page for verified formation attorneys in that community.
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If Marni's intake is full or the fit isn't right, these formation attorneys in New York handle similar matters. Every profile below is verified and open to consultations.





