
Mark Irving Jadd, Estate Planning Attorney in the United States
Over 35 years of legal practice · focused on Estate Planning, International Tax, and Litigation
PartneratDentons Canada LLP
Practicing estate planning since 1991.
- 35+
- Years practicing
- 2
- Bar admissions
Practices in
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Quick answer
Mark Irving Jadd is a partner based in Toronto, ON. The practice focuses on Estate Planning, International Tax, and Litigation. Mark has over 35 years of legal experience. Currently practicing at Dentons Canada LLP.
- Based in
- Toronto, ON
- Experience
- over 35 years
- Known for
- Estate Planning · International Tax · Litigation
- Handles Estate Planning, International Tax, and Litigation matters from Toronto, ON.
- Over 35 years of practice as a licensed attorney.
About Mark Irving Jadd: Mark Irving Jadd is a partner based in Toronto, ON. The practice focuses on Estate Planning, International Tax, and Litigation. Mark has over 35 years of legal experience. Currently practicing at Dentons Canada LLP.
Areas of practice
Legal matters Mark takes on
Mark concentrates on estate planning, international tax, litigation, m&a, and tax. Each area below outlines the kind of case Mark handles, typical outcomes to expect, and how the intake process starts.
Estate Planning
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International Tax
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Litigation
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M&A
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Tax
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Estate Planning cases nationwide
Mark takes estate planning matters nationwide. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Mark agrees to represent you.
International Tax cases nationwide
Mark takes international tax matters nationwide. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Mark agrees to represent you.
Litigation cases nationwide
Mark takes litigation matters nationwide. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Mark agrees to represent you.
M&A cases nationwide
Mark takes m&a matters nationwide. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Mark agrees to represent you.
Tax cases nationwide
Mark takes tax matters nationwide. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Mark agrees to represent you.
Biography
Meet Mark Irving Jadd — estate planning lawyer in the U.S.
Mark Irving Jadd is a partner based in Toronto, ON. The practice focuses on Estate Planning, International Tax, and Litigation. Mark has over 35 years of legal experience. Currently practicing at Dentons Canada LLP.
Mark Irving Jadd is a lawyer practicing tax, corporate taxation, individual taxation and 4 other areas of law. Mark has been licensed for 35 years. Mark practices at Dentons Canada LLP in Toronto, ON.
Working with Mark on a estate planning matter
Mark Irving Jadd is a lawyer practicing tax, corporate taxation, individual taxation and 4 other areas of law. Mark has been licensed for 35 years. Mark practices at Dentons Canada LLP in Toronto, ON.
Clients Mark works with
Mark reviews new inquiries case-by-case for estate planning, international tax, and litigation matters in the United States.
Credentials
Education, bar admissions, and languages
York University, Osgoode Hall Law School
LL.B. · 1989
Jurisdictions
Mark's state bar admissions
New York
1991 · ACTIVE
Ontario and New York
1991 · ACTIVE
Mark studied at LL.B. in York University, Osgoode Hall Law School.
Law school and academic background
Mark completed LL.B. in York University, Osgoode Hall Law School. Formal legal training is one signal of substantive knowledge — the day-to-day practice Mark runs in the state is where that training gets applied to real client questions.
Affiliations
Mark's professional memberships and bar associations
Activities and Affiliations •Canadian Tax Foundation •New York State Bar Association •Ontario Bar Association
membership
Locations
Mark Irving Jadd's office in Toronto
Mark's primary office is at Toronto-Dominion Centre, 77 King Street West, Suite 400, Toronto, ON, M5K 0A1. In-person meetings are by appointment; a phone intake usually comes first.
Dentons Canada LLP
Toronto-Dominion Centre, 77 King Street West, Suite 400
Toronto, ON M5K 0A1
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Schedule your consultationHiring guide
How to hire Mark Irving Jadd — what to expect in your first consultation
Working with a new estate planning attorney should feel structured. Here's how the first two conversations with Mark usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Mark charges for the initial consult. That fee is credited toward representation if you retain Mark'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; Mark will tell you what matters and what doesn't.
Questions to ask a estate planning attorney in your state
A short list to run through before you commit: How many estate planning 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 Mark
Mark discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in estate planning practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every estate planning 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. Mark confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Mark's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many estate planning practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Mark Irving Jadd
How much does it cost to hire Mark for a estate planning case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Mark walks through the likely range during the consult so there are no surprises.
Does Mark offer a free consultation?
Mark charges for the initial consult; that fee is credited toward representation if you retain Mark's office. Some estate planning attorneys offer free consults — check Mark's current terms during booking.
How long do estate planning cases in this state typically take?
Simple estate planning 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. Mark gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Mark take my case if I'm outside the area?
Mark evaluates matters case by case. If the venue is outside Mark's regular jurisdictions, the intake call will confirm whether direct representation or a referral makes more sense.
What should I bring to my first meeting with Mark?
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. Mark will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Mark accepting new estate planning clients right now?
Mark's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.