KV

Katherine V. Mackey, Appellate Attorney in Boston, Massachusetts

focused on Appellate, Business, and Criminal Defense

Boston, MA

Trusted appellate attorney serving Boston.

2
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Quick answer

Katherine V. Mackey is an attorney based in Boston, MASSACHUSETTS. The practice focuses on Appellate, Business, and Criminal Defense.

Based in
Boston, MASSACHUSETTS
Experience
attorney
Known for
Appellate · Business · Criminal Defense
  • Handles Appellate, Business, and Criminal Defense matters from Boston, MASSACHUSETTS.
  • Recognized with Best Lawyers in America — Appellate Practice (2026).

About Katherine V. Mackey: Katherine V. Mackey is an attorney based in Boston, MASSACHUSETTS. The practice focuses on Appellate, Business, and Criminal Defense.

Areas of practice

Practice areas handled by Katherine V. Mackey

Katherine concentrates on appellate, business, criminal defense, litigation, and white collar. Each area below outlines the kind of case Katherine handles, typical outcomes to expect, and how the intake process starts.

Appellate cases in Boston, Massachusetts

Katherine takes appellate matters in Boston, Massachusetts. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Katherine agrees to represent you.

Business cases in Boston, Massachusetts

Katherine takes business matters in Boston, Massachusetts. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Katherine agrees to represent you.

Criminal Defense cases in Boston, Massachusetts

Katherine takes criminal defense matters in Boston, Massachusetts. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Katherine agrees to represent you.

Litigation cases in Boston, Massachusetts

Katherine takes litigation matters in Boston, Massachusetts. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Katherine agrees to represent you.

White Collar cases in Boston, Massachusetts

Katherine takes white collar matters in Boston, Massachusetts. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Katherine agrees to represent you.

Biography

About Katherine V. Mackey — Attorney of Massachusetts appellate experience

Katherine V. Mackey is an attorney based in Boston, MASSACHUSETTS. The practice focuses on Appellate, Business, and Criminal Defense.

Katherine V. Mackey focuses her practice on complex litigation matters, including commercial litigation, internal investigations, and appeals. She has represented a variety of companies, including a major automotive manufacturer, a financial services company, and an electronics company.

Working with Katherine on a appellate matter

Katherine V. Mackey focuses her practice on complex litigation matters, including commercial litigation, internal investigations, and appeals. She has represented a variety of companies, including a major automotive manufacturer, a financial services company, and an electronics company.

Clients Katherine works with

Katherine reviews new inquiries case-by-case for appellate, business, and criminal defense matters in Boston and the surrounding Massachusetts area.

Credentials

Katherine V. Mackey's legal education and bar admissions

  • Columbia University

    J.D. · 2014

  • Harvard University

    BA · 2007

Jurisdictions

Katherine's state bar admissions

  • New York, New York S

    ACTIVE

  • Massachusetts, Massa

    ACTIVE

Katherine studied at J.D. in Columbia University and BA in Harvard University.

Law school and academic background

Katherine completed J.D. in Columbia University and BA in Harvard University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Katherine runs in Massachusetts is where that training gets applied to real client questions.

Recognition

Awards, publications, and recognition of Katherine V. Mackey

Katherine has received 3 formal recognitions from bar associations, industry bodies, and peer-review services.

  • Best Lawyers in America — Appellate Practice

    2026

  • Best Lawyers in America — Commercial Litigation

    2026

  • Best Lawyers in America — Criminal Defense: White-Collar

    2026

Legal awards and honors

Best Lawyers in America — Appellate Practice (2026). Best Lawyers in America — Commercial Litigation (2026). Best Lawyers in America — Criminal Defense: White-Collar (2026).

Locations

Katherine V. Mackey's office in Boston

Katherine's primary office is at 60 State Street, Boston, Massachusetts, 02109. In-person meetings are by appointment; a phone intake usually comes first.

Main office

60 State Street

Boston, Massachusetts 02109

Open in Google Maps

Client feedback

Client reviews of Katherine V. Mackey

Katherine has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.

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Hiring guide

How to hire Katherine V. Mackey — what to expect in your first consultation

Working with a new appellate attorney should feel structured. Here's how the first two conversations with Katherine usually go, from the moment you request a consult to the day representation begins.

Consultation formats and pricing

Katherine charges for the initial consult. That fee is credited toward representation if you retain Katherine'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; Katherine will tell you what matters and what doesn't.

Questions to ask a appellate attorney in Boston, Massachusetts

A short list to run through before you commit: How many appellate 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 Katherine

Katherine discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in appellate practice — ask which fits.

Hourly rates, contingency fees, and flat-fee options

Every appellate 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. Katherine confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

Katherine's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many appellate practices work with clients on structured schedules.

Frequently asked

Frequently asked questions about Katherine V. Mackey

  • How much does it cost to hire Katherine for a appellate case?

    Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Katherine walks through the likely range during the consult so there are no surprises.

  • Does Katherine offer a free consultation?

    Katherine charges for the initial consult; that fee is credited toward representation if you retain Katherine's office. Some appellate attorneys offer free consults — check Katherine's current terms during booking.

  • How long do appellate cases in Massachusetts typically take?

    Simple appellate 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. Katherine gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can Katherine take my case if I'm outside Boston?

    Katherine is licensed in Massachusetts. Matters governed by Massachusetts law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Katherine 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 Katherine?

    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. Katherine will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is Katherine accepting new appellate clients right now?

    Katherine's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.

Areas served

Appellate attorneys serving Boston, Cambridge and Worcester in Massachusetts

Katherine handles appellate matters throughout Massachusetts. Each city below is a direct link into the search page for verified appellate attorneys in that community.

More counsel

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