Jonathan Z DeSantis, Whistleblower Attorney in Philadelphia, Pennsylvania
Over 13 years of legal practice
AssociateatBerger & Montague, P.C.
Philadelphia, PA
Practicing whistleblower in Philadelphia since 2013.
- 13+
- Years practicing
- 2
- Bar admissions
Practices in
Are you Jonathan Z DeSantis?
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Quick answer
Jonathan Z DeSantis is an associate based in Philadelphia, PA. The practice focuses on Whistleblower. Jonathan has over 13 years of legal experience. Currently practicing at Berger & Montague, P.C..
- Based in
- Philadelphia, PA
- Experience
- over 13 years
- Known for
- Whistleblower
- Handles Whistleblower matters from Philadelphia, PA.
- Over 13 years of practice as a licensed attorney.
About Jonathan Z DeSantis: Jonathan Z DeSantis is an associate based in Philadelphia, PA. The practice focuses on Whistleblower. Jonathan has over 13 years of legal experience. Currently practicing at Berger & Montague, P.C..
Areas of practice
Practice areas handled by Jonathan Z DeSantis
Jonathan concentrates on whistleblower. Each area below outlines the kind of case Jonathan handles, typical outcomes to expect, and how the intake process starts.
Whistleblower cases in Philadelphia, Pennsylvania
Jonathan takes whistleblower 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 Z DeSantis — Over 13 years of Pennsylvania whistleblower experience
Jonathan Z DeSantis is an associate based in Philadelphia, PA. The practice focuses on Whistleblower. Jonathan has over 13 years of legal experience. Currently practicing at Berger & Montague, P.C..
Jonathan Z DeSantis is a lawyer practicing qui tam litigation, whistleblower litigation. Jonathan received a B.A. degree from Temple University in 2010, and has been licensed for 13 years. Jonathan practices at Berger & Montague, P.C. in Philadelphia, PA.
How Jonathan handles whistleblower matters
Jonathan Z DeSantis is a lawyer practicing qui tam litigation, whistleblower litigation. Jonathan received a B.A. degree from Temple University in 2010, and has been licensed for 13 years. Jonathan practices at Berger & Montague, P.C. in Philadelphia, PA.
Who Jonathan represents
Jonathan reviews new inquiries case-by-case for whistleblower matters in Philadelphia and the surrounding Pennsylvania area.
Credentials
Jonathan Z DeSantis's legal education and bar admissions
Stetson University College of Law
J.D. · 2013
Temple University
B.A. Criminal · 2010
Jurisdictions
Jonathan's state bar admissions
Florida
2014 · ACTIVE
Pennsylvania
2013 · ACTIVE
Jonathan studied at J.D. in Stetson University College of Law and B.A. Criminal in Temple University.
Law school and academic background
Jonathan completed J.D. in Stetson University College of Law and B.A. Criminal in Temple University. 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.
Locations
Jonathan Z DeSantis's office in Philadelphia
Jonathan's primary office is at 1818 Market St., Ste. 3600, Philadelphia, PA, 19103. In-person meetings are by appointment; a phone intake usually comes first.
Berger & Montague, P.C.
1818 Market St., Ste. 3600
Philadelphia, PA 19103
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Schedule your consultationHiring guide
How to hire Jonathan Z DeSantis — what to expect in your first consultation
Working with a new whistleblower 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 whistleblower attorney in Philadelphia, Pennsylvania
A short list to run through before you commit: How many whistleblower 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 whistleblower practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every whistleblower 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 whistleblower practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Jonathan Z DeSantis
How much does it cost to hire Jonathan for a whistleblower 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 whistleblower attorneys offer free consults — check Jonathan's current terms during booking.
How long do whistleblower cases in Pennsylvania typically take?
Simple whistleblower 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 whistleblower 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
Whistleblower attorneys serving Philadelphia, Pittsburgh and Harrisburg in Pennsylvania
Jonathan handles whistleblower matters throughout Pennsylvania. Each city below is a direct link into the search page for verified whistleblower attorneys in that community.
More counsel
Other top-rated whistleblower attorneys in Pennsylvania
If Jonathan's intake is full or the fit isn't right, these whistleblower attorneys in Philadelphia handle similar matters. Every profile below is verified and open to consultations.





