
Jonathan Stuart Ziss, ADR Attorney in Philadelphia, Pennsylvania
Over 42 years of legal practice · focused on ADR, Aviation, and General · 5.0/5 rating from 1 verified client review
PartneratGoldberg Segalla LLP
Philadelphia, PA
Practicing adr in Philadelphia since 1984.
- 42+
- Years practicing
- 5.0 ★
- 1 client review
- 2
- Bar admissions
Practices in
Are you Jonathan Stuart Ziss?
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Quick answer
Jonathan Stuart Ziss is a partner based in Philadelphia, PA. The practice focuses on ADR, Aviation, and General. Jonathan has over 42 years of legal experience. Currently practicing at Goldberg Segalla LLP. Rated 5.0 out of 5 from 1 client review.
- Based in
- Philadelphia, PA
- Experience
- over 42 years
- Known for
- ADR · Aviation · General
- Handles ADR, Aviation, and General matters from Philadelphia, PA.
- Over 42 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About Jonathan Stuart Ziss: Jonathan Stuart Ziss is a partner based in Philadelphia, PA. The practice focuses on ADR, Aviation, and General. Jonathan has over 42 years of legal experience. Currently practicing at Goldberg Segalla LLP. Rated 5.0 out of 5 from 1 client review.
Areas of practice
Practice areas handled by Jonathan Stuart Ziss
Jonathan concentrates on adr, aviation, general, internet, and litigation. Each area below outlines the kind of case Jonathan handles, typical outcomes to expect, and how the intake process starts.
ADR
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Aviation
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General
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Internet
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Litigation
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ADR cases in Philadelphia, Pennsylvania
Jonathan takes adr matters in Philadelphia, Pennsylvania. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jonathan agrees to represent you.
Aviation cases in Philadelphia, Pennsylvania
Jonathan takes aviation matters in Philadelphia, Pennsylvania. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jonathan agrees to represent you.
General cases in Philadelphia, Pennsylvania
Jonathan takes general matters in Philadelphia, Pennsylvania. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jonathan agrees to represent you.
Internet cases in Philadelphia, Pennsylvania
Jonathan takes internet matters in Philadelphia, Pennsylvania. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jonathan agrees to represent you.
Litigation cases in Philadelphia, Pennsylvania
Jonathan takes litigation matters in Philadelphia, Pennsylvania. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jonathan agrees to represent you.
Biography
About Jonathan Stuart Ziss — Over 42 years of Pennsylvania adr experience
Jonathan Stuart Ziss is a partner based in Philadelphia, PA. The practice focuses on ADR, Aviation, and General. Jonathan has over 42 years of legal experience. Currently practicing at Goldberg Segalla LLP. Rated 5.0 out of 5 from 1 client review.
Jonathan Stuart Ziss is a lawyer practicing management and professional liability, commercial litigation and arbitration, cybersecurity and data privacy and 5 other areas of law. Jonathan received a B.A. degree from Franklin and Marshall College, and has been licensed for 42 years. Jonathan practices at Goldberg Segalla LLP in Philadelphia, PA.
Working with Jonathan on a adr matter
Jonathan Stuart Ziss is a lawyer practicing management and professional liability, commercial litigation and arbitration, cybersecurity and data privacy and 5 other areas of law. Jonathan received a B.A. degree from Franklin and Marshall College, and has been licensed for 42 years. Jonathan practices at Goldberg Segalla LLP in Philadelphia, PA.
Who Jonathan represents
Jonathan reviews new inquiries case-by-case for adr, aviation, and general matters in Philadelphia and the surrounding Pennsylvania area.
Credentials
Jonathan Stuart Ziss's legal education and bar admissions
Villanova University School of Law
J.D. Villanova · 1984
Franklin and Marshall College B.A. cum laude Franklin and Marshall College B.A. 1981 Elected Phi Beta Kappa
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Jurisdictions
Jonathan's state bar admissions
New Jersey U.S. Dist
1985 · ACTIVE
Pennsylvania
1984 · ACTIVE
Jonathan studied at J.D. Villanova in Villanova University School of Law and — in Franklin and Marshall College B.A. cum laude Franklin and Marshall College B.A. 1981 Elected Phi Beta Kappa.
Law school and academic background
Jonathan completed J.D. Villanova in Villanova University School of Law and — in Franklin and Marshall College B.A. cum laude Franklin and Marshall College B.A. 1981 Elected Phi Beta Kappa. Formal legal training is one signal of substantive knowledge — the day-to-day practice Jonathan runs in Pennsylvania is where that training gets applied to real client questions.
Recognition
Awards, publications, and recognition of Jonathan Stuart Ziss
Jonathan has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Locations
Jonathan Stuart Ziss's office in Philadelphia
Jonathan's primary office is at 1700 Market Street, Suite 1418, Philadelphia, PA, 19103-3907. In-person meetings are by appointment; a phone intake usually comes first.
Goldberg Segalla LLP
1700 Market Street, Suite 1418
Philadelphia, PA 19103-3907
Open in Google MapsClient feedback
Client reviews of Jonathan Stuart Ziss — 5.0/5 rating from 1 verified client review
Every review below is from a verified client of Jonathan. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing adr attorneys in Philadelphia.
5.0
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Jonathan Stuart Ziss claims this profile.
Read all reviewsHiring guide
How to hire Jonathan Stuart Ziss — what to expect in your first consultation
Working with a new adr attorney should feel structured. Here's how the first two conversations with Jonathan usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Jonathan charges for the initial consult. That fee is credited toward representation if you retain Jonathan'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; Jonathan will tell you what matters and what doesn't.
Questions to ask a adr attorney in Philadelphia, Pennsylvania
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 Jonathan
Jonathan 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. Jonathan confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Jonathan'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 Jonathan Stuart Ziss
How much does it cost to hire Jonathan for a adr case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Jonathan walks through the likely range during the consult so there are no surprises.
Does Jonathan offer a free consultation?
Jonathan charges for the initial consult; that fee is credited toward representation if you retain Jonathan's office. Some adr attorneys offer free consults — check Jonathan's current terms during booking.
How long do adr cases in Pennsylvania 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. Jonathan gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Jonathan take my case if I'm outside Philadelphia?
Jonathan is licensed in Pennsylvania. Matters governed by Pennsylvania law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Jonathan 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 Jonathan?
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. Jonathan will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Jonathan accepting new adr clients right now?
Jonathan'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 Philadelphia, Pittsburgh and Harrisburg in Pennsylvania
Jonathan handles adr matters throughout Pennsylvania. Each city below is a direct link into the search page for verified adr attorneys in that community.
More counsel
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If Jonathan's intake is full or the fit isn't right, these adr attorneys in Philadelphia handle similar matters. Every profile below is verified and open to consultations.

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