DQ

Daniel Quentin Harrington, Business Attorney in Philadelphia, Pennsylvania

Over 45 years of legal practice · focused on Business and General · 5.0/5 rating from 1 verified client review

MemberatCozen O'Connor

Philadelphia, PA

Practicing business in Philadelphia since 1981.

45+
Years practicing
5.0 ★
1 client review
5
Bar admissions

Practices in

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Quick answer

Daniel Quentin Harrington is a member based in Philadelphia, PA. The practice focuses on Business and General. Daniel has over 45 years of legal experience. Currently practicing at Cozen O'Connor. Rated 5.0 out of 5 from 1 client review.

Based in
Philadelphia, PA
Experience
over 45 years
Known for
Business · General
  • Handles Business and General matters from Philadelphia, PA.
  • Over 45 years of practice as a licensed attorney.
  • Recognized with Peer Reviewed.

About Daniel Quentin Harrington: Daniel Quentin Harrington is a member based in Philadelphia, PA. The practice focuses on Business and General. Daniel has over 45 years of legal experience. Currently practicing at Cozen O'Connor. Rated 5.0 out of 5 from 1 client review.

Areas of practice

Practice areas handled by Daniel Quentin Harrington

Daniel concentrates on business and general. Each area below outlines the kind of case Daniel handles, typical outcomes to expect, and how the intake process starts.

Business cases in Philadelphia, Pennsylvania

Daniel takes business 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 Daniel agrees to represent you.

General cases in Philadelphia, Pennsylvania

Daniel 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 Daniel agrees to represent you.

Biography

About Daniel Quentin Harrington — Over 45 years of Pennsylvania business experience

Daniel Quentin Harrington is a member based in Philadelphia, PA. The practice focuses on Business and General. Daniel has over 45 years of legal experience. Currently practicing at Cozen O'Connor. Rated 5.0 out of 5 from 1 client review.

Daniel Quentin Harrington is a lawyer practicing ethics / professional responsibility, antitrust / trade law, venture capital and 1 other area of law. Daniel received a B.A. degree from University of Iowa in 1979, and has been licensed for 45 years. Daniel practices at Cozen O'Connor in Philadelphia, PA.

Working with Daniel on a business matter

Daniel Quentin Harrington is a lawyer practicing ethics / professional responsibility, antitrust / trade law, venture capital and 1 other area of law. Daniel received a B.A. degree from University of Iowa in 1979, and has been licensed for 45 years. Daniel practices at Cozen O'Connor in Philadelphia, PA.

Clients Daniel works with

Daniel reviews new inquiries case-by-case for business and general matters in Philadelphia and the surrounding Pennsylvania area.

Credentials

Daniel Quentin Harrington's legal education and bar admissions

  • University of Iowa College of Law

    J.D. · 1981

  • University of Iowa

    B.A. · 1979

Jurisdictions

Daniel's state bar admissions

  • Indiana

    2010 · ACTIVE

  • New York

    1992 · ACTIVE

  • New Jersey

    1984 · ACTIVE

  • Pennsylvania

    1984 · ACTIVE

  • Minnesota

    1981 · ACTIVE

Daniel studied at J.D. in University of Iowa College of Law and B.A. in University of Iowa.

Law school and academic background

Daniel completed J.D. in University of Iowa College of Law and B.A. in University of Iowa. Formal legal training is one signal of substantive knowledge — the day-to-day practice Daniel runs in Pennsylvania is where that training gets applied to real client questions.

Recognition

Awards, publications, and recognition of Daniel Quentin Harrington

Daniel has received 1 formal recognition from bar associations, industry bodies, and peer-review services.

  • Peer Reviewed

Legal awards and honors

Peer Reviewed.

Affiliations

Daniel's professional memberships and bar associations

  • Philadelphia, Pennsylvania (Member, Committee on Legal Ethics and Professional Responsibility), New Jersey State, Minnesota State and American Bar Associations

    membership

Locations

Daniel Quentin Harrington's office in Philadelphia

Daniel's primary office is at One Liberty Place, 1650 Market St., Philadelphia, PA, 19103. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Cozen O'Connor

One Liberty Place, 1650 Market St.

Philadelphia, PA 19103

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Client feedback

Client reviews of Daniel Quentin Harrington — 5.0/5 rating from 1 verified client review

Every review below is from a verified client of Daniel. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing business 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 Daniel Quentin Harrington claims this profile.

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Hiring guide

How to hire Daniel Quentin Harrington — 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 Philadelphia, Pennsylvania

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 Quentin Harrington

  • 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 Pennsylvania 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 Philadelphia?

    Daniel 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 — 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 Philadelphia, Pittsburgh and Harrisburg in Pennsylvania

Daniel handles business matters throughout Pennsylvania. Each city below is a direct link into the search page for verified business attorneys in that community.

More counsel

If Daniel's intake is full or the fit isn't right, these business attorneys in Philadelphia handle similar matters. Every profile below is verified and open to consultations.