John Peter Mastando, ADR Attorney in New York
Over 29 years of legal practice · focused on ADR, Bankruptcy, and Chapter 11
Litigation PartneratWeil, Gotshal & Manges LLP
New, NY
Practicing adr in New York since 1997.
- 29+
- Years practicing
- 2
- Bar admissions
Are you John Peter Mastando?
This profile was built from public bar records and is still unclaimed. Claim it free to control your photo, bio, and fees — and get client inquiries sent straight to you.
Quick answer
John Peter Mastando is a litigation partner based in New York, NY. The practice focuses on ADR, Bankruptcy, and Chapter 11. John has over 29 years of legal experience. Currently practicing at Weil, Gotshal & Manges LLP.
- Based in
- New York, NY
- Experience
- over 29 years
- Known for
- ADR · Bankruptcy · Chapter 11
- Handles ADR, Bankruptcy, and Chapter 11 matters from New York, NY.
- Over 29 years of practice as a licensed attorney.
About John Peter Mastando: John Peter Mastando is a litigation partner based in New York, NY. The practice focuses on ADR, Bankruptcy, and Chapter 11. John has over 29 years of legal experience. Currently practicing at Weil, Gotshal & Manges LLP.
Areas of practice
Practice areas handled by John Peter Mastando
John concentrates on adr, bankruptcy, chapter 11, class action, and general. Each area below outlines the kind of case John handles, typical outcomes to expect, and how the intake process starts.
ADR
View other ADR attorneys
Bankruptcy
View other Bankruptcy attorneys
Chapter 11
View other Chapter 11 attorneys
Class Action
View other Class Action attorneys
General
View other General attorneys
Litigation
View other Litigation attorneys
Business
View other Business attorneys
International
View other International attorneys
ADR cases in New York
John takes adr 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 John agrees to represent you.
Bankruptcy cases in New York
John takes bankruptcy 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 John agrees to represent you.
Chapter 11 cases in New York
John takes chapter 11 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 John agrees to represent you.
Class Action cases in New York
John takes class action 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 John agrees to represent you.
General cases in New York
John takes general 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 John agrees to represent you.
Biography
About John Peter Mastando — Over 29 years of New York adr experience
John Peter Mastando is a litigation partner based in New York, NY. The practice focuses on ADR, Bankruptcy, and Chapter 11. John has over 29 years of legal experience. Currently practicing at Weil, Gotshal & Manges LLP.
John Peter Mastando is a lawyer practicing class action, antitrust / trade law, bankruptcy / chapter 11 and 2 other areas of law. John received a B.A. degree from Columbia College in 1993, and has been licensed for 29 years. John practices at Weil, Gotshal & Manges LLP in New York, NY.
Working with John on a adr matter
John Peter Mastando is a lawyer practicing class action, antitrust / trade law, bankruptcy / chapter 11 and 2 other areas of law. John received a B.A. degree from Columbia College in 1993, and has been licensed for 29 years. John practices at Weil, Gotshal & Manges LLP in New York, NY.
Who John represents
John reviews new inquiries case-by-case for adr, bankruptcy, and chapter 11 matters across New York.
Credentials
John Peter Mastando's legal education and bar admissions
Columbia University Law
J.D. · 1996
Columbia College
B.A. · 1993
Jurisdictions
John's state bar admissions
New York U.S. Court
1997 · ACTIVE
New Jersey
1997 · ACTIVE
John studied at J.D. in Columbia University Law and B.A. in Columbia College.
Law school and academic background
John completed J.D. in Columbia University Law and B.A. in Columbia College. Formal legal training is one signal of substantive knowledge — the day-to-day practice John runs in New York is where that training gets applied to real client questions.
Locations
John Peter Mastando's office in New York
John's primary office is at 767 5th Ave., Ste. 2237, New York, NY, 10153-0023. In-person meetings are by appointment; a phone intake usually comes first.
Weil, Gotshal & Manges LLP
767 5th Ave., Ste. 2237
New York, NY 10153-0023
Open in Google MapsClient feedback
Client reviews of John Peter Mastando
John has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.
No reviews yet
Only verified clients who have consulted with John Peter Mastando can leave a review.
Schedule your consultationHiring guide
How to hire John Peter Mastando — what to expect in your first consultation
Working with a new adr attorney should feel structured. Here's how the first two conversations with John usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
John charges for the initial consult. That fee is credited toward representation if you retain John'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; John will tell you what matters and what doesn't.
Questions to ask a adr attorney in New York
A short list to run through before you commit: How many adr 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 John
John discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in adr practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every adr 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. John confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
John's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many adr practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about John Peter Mastando
How much does it cost to hire John for a adr case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. John walks through the likely range during the consult so there are no surprises.
Does John offer a free consultation?
John charges for the initial consult; that fee is credited toward representation if you retain John's office. Some adr attorneys offer free consults — check John's current terms during booking.
How long do adr cases in New York typically take?
Simple adr 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. John gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can John take my case if I'm outside New York?
John 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 — John 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 John?
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. John will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is John accepting new adr clients right now?
John's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
ADR attorneys serving Albany and Brooklyn in New York
John handles adr matters throughout New York. Each city below is a direct link into the search page for verified adr attorneys in that community.
More counsel
Other top-rated adr attorneys in New York
If John's intake is full or the fit isn't right, these adr attorneys in New York handle similar matters. Every profile below is verified and open to consultations.
