Daniel T. Mongan, Business Attorney in New York
Over 35 years of legal practice · focused on Business and M&A
PartneratLeech Tishman
New, NY
Practicing business in New York since 1991.
- 35+
- Years practicing
- 1
- Bar admission
Are you Daniel T. Mongan?
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Quick answer
Daniel T. Mongan is a partner based in New York, NY. The practice focuses on Business and M&A. Daniel has over 35 years of legal experience. Currently practicing at Leech Tishman.
- Based in
- New York, NY
- Experience
- over 35 years
- Known for
- Business · M&A
- Handles Business and M&A matters from New York, NY.
- Over 35 years of practice as a licensed attorney.
About Daniel T. Mongan: Daniel T. Mongan is a partner based in New York, NY. The practice focuses on Business and M&A. Daniel has over 35 years of legal experience. Currently practicing at Leech Tishman.
Areas of practice
Practice areas handled by Daniel T. Mongan
Daniel concentrates on business and m&a. Each area below outlines the kind of case Daniel handles, typical outcomes to expect, and how the intake process starts.
Business cases in New York
Daniel takes business 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 Daniel agrees to represent you.
M&A cases in New York
Daniel 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 Daniel agrees to represent you.
Biography
About Daniel T. Mongan — Over 35 years of New York business experience
Daniel T. Mongan is a partner based in New York, NY. The practice focuses on Business and M&A. Daniel has over 35 years of legal experience. Currently practicing at Leech Tishman.
Daniel T. Mongan has built a thriving corporate practice and has served his clients in a variety of capacities, including holding executive positions as leader of corporate strategy for W.L. Gore & Associates, Inc., general counsel of ICx Technologies, Inc., and general counsel of Infinia Corporation.
Over the course of his career, Dan has gained extensive experience in the financing, purchase, and sale of businesses, as well as securities law, banking and finance, corporate matters, and the negotiation and drafting of a wide variety of contracts, including technology license agreements, executive employment agreements, investment and shareholder agreements, and commercial contracts.
He has experience managing the breadth of issues faced by businesses across a spectrum of industries, as well as deep expertise in mergers and acquisitions, spinoffs, divestitures, joint ventures, and strategic alliances. Dan advises his clients on a range of financing and investment matters, including venture capital and private equity investments, securities, banking, and project finance.
He has addressed many issues faced by businesses seeking growth and sustainability, including technology licensing and strategy, regulatory compliance, executive retention and compensation, investor and shareholder matters, board advisory, and commercial matters.
Working with Daniel on a business matter
Daniel T. Mongan has built a thriving corporate practice and has served his clients in a variety of capacities, including holding executive positions as leader of corporate strategy for W.L. Gore & Associates, Inc., general counsel of ICx Technologies, Inc., and general counsel of Infinia Corporation. Over the course of his career, Dan has gained extensive experience in the financing, purchase,…
Who Daniel represents
Daniel reviews new inquiries case-by-case for business and m&a matters across New York.
Credentials
Daniel T. Mongan's legal education and bar admissions
University of Pennsylvania
J.D. · 1990
University of Delaware
B.Ch.E. Chemical · 1985
Jurisdictions
Daniel's state bar admissions
New York
1991 · ACTIVE
Daniel studied at J.D. in University of Pennsylvania and B.Ch.E. Chemical in University of Delaware.
Law school and academic background
Daniel completed J.D. in University of Pennsylvania and B.Ch.E. Chemical in University of Delaware. Formal legal training is one signal of substantive knowledge — the day-to-day practice Daniel runs in New York is where that training gets applied to real client questions.
Affiliations
Daniel's professional memberships and bar associations
New York City Bar Association
membership
Locations
Daniel T. Mongan's office in New York
Daniel's primary office is at One Dag Hammarskjöld Plaza, 885 Second Avenue, 3rd Floor, New York, NY, 10017. In-person meetings are by appointment; a phone intake usually comes first.
Leech Tishman
One Dag Hammarskjöld Plaza, 885 Second Avenue, 3rd Floor
New York, NY 10017
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Schedule your consultationHiring guide
How to hire Daniel T. Mongan — what to expect in your first consultation
Working with a new business attorney should feel structured. Here's how the first two conversations with Daniel usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Daniel charges for the initial consult. That fee is credited toward representation if you retain Daniel'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; Daniel will tell you what matters and what doesn't.
Questions to ask a business attorney in New York
A short list to run through before you commit: How many business 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 Daniel
Daniel discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in business practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every business 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. Daniel confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Daniel's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many business practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Daniel T. Mongan
How much does it cost to hire Daniel for a business case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Daniel walks through the likely range during the consult so there are no surprises.
Does Daniel offer a free consultation?
Daniel charges for the initial consult; that fee is credited toward representation if you retain Daniel's office. Some business attorneys offer free consults — check Daniel's current terms during booking.
How long do business cases in New York typically take?
Simple business 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. Daniel gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Daniel take my case if I'm outside New York?
Daniel 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 — Daniel 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 Daniel?
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. Daniel will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Daniel accepting new business clients right now?
Daniel's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Business attorneys serving Albany and Brooklyn in New York
Daniel handles business matters throughout New York. Each city below is a direct link into the search page for verified business attorneys in that community.
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