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Sean T.C. Phelan, IP Attorney in Washington, District of Columbia

Over 18 years of legal practice · focused on IP, Patent, and Trademark

Practicing ip in Washington since 2008.

18+
Years practicing
2
Bar admissions

Practices in

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Quick answer

Sean T.C. Phelan is an associate based in Washington, DC. The practice focuses on IP, Patent, and Trademark. Sean has over 18 years of legal experience. Currently practicing at Murphy & King Professional Corporation.

Based in
Washington, DC
Experience
over 18 years
Known for
IP · Patent · Trademark
  • Handles IP, Patent, and Trademark matters from Washington, DC.
  • Over 18 years of practice as a licensed attorney.

About Sean T.C. Phelan: Sean T.C. Phelan is an associate based in Washington, DC. The practice focuses on IP, Patent, and Trademark. Sean has over 18 years of legal experience. Currently practicing at Murphy & King Professional Corporation.

Areas of practice

Sean's practice areas in Washington

Sean concentrates on ip, patent, and trademark. Each area below outlines the kind of case Sean handles, typical outcomes to expect, and how the intake process starts.

IP cases in Washington, District of Columbia

Sean takes ip matters in Washington, District of Columbia. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Sean agrees to represent you.

Patent cases in Washington, District of Columbia

Sean takes patent matters in Washington, District of Columbia. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Sean agrees to represent you.

Trademark cases in Washington, District of Columbia

Sean takes trademark matters in Washington, District of Columbia. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Sean agrees to represent you.

Biography

Sean T.C. Phelan, ip attorney serving Washington

Sean T.C. Phelan is an associate based in Washington, DC. The practice focuses on IP, Patent, and Trademark. Sean has over 18 years of legal experience. Currently practicing at Murphy & King Professional Corporation. Sean works from Washington, District of Columbia and takes on ip matters across the region.

Mr. Sean T.C. Phelan is a lawyer practicing patent litigation, intellectual property, trademark prosecution and 4 other areas of law. Sean received a B.S. degree from Truman State University in 2005, and has been licensed for 18 years. Sean practices at Murphy & King Professional Corporation in Washington, DC.

Working with Sean on a ip matter

Mr. Sean T.C. Phelan is a lawyer practicing patent litigation, intellectual property, trademark prosecution and 4 other areas of law. Sean received a B.S. degree from Truman State University in 2005, and has been licensed for 18 years. Sean practices at Murphy & King Professional Corporation in Washington, DC.

Clients Sean works with

Sean reviews new inquiries case-by-case for ip, patent, and trademark matters in Washington and the surrounding District of Columbia area.

Credentials

Credentials — where Sean studied and practices

  • Boston College Law School

    J.D. · 2008

  • Truman State University

    B.S. · 2005

Jurisdictions

Sean's state bar admissions

  • District of Columbia

    2010 · ACTIVE

  • Massachusetts

    2008 · ACTIVE

Sean studied at J.D. in Boston College Law School and B.S. in Truman State University.

Law school and academic background

Sean completed J.D. in Boston College Law School and B.S. in Truman State University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Sean runs in District of Columbia is where that training gets applied to real client questions.

Locations

Sean T.C. Phelan's office in Washington

Sean's primary office is at 1055 Thomas Jefferson Street, N.W., Suite 400, Washington, DC, 20007. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Murphy & King Professional Corporation

1055 Thomas Jefferson Street, N.W., Suite 400

Washington, DC 20007

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Client feedback

Client reviews of Sean T.C. Phelan

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Hiring guide

How to hire Sean T.C. Phelan — what to expect in your first consultation

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

Consultation formats and pricing

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

Questions to ask a ip attorney in Washington, District of Columbia

A short list to run through before you commit: How many ip 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 Sean

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

Hourly rates, contingency fees, and flat-fee options

Every ip 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. Sean confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

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

Frequently asked

Frequently asked questions about Sean T.C. Phelan

  • How much does it cost to hire Sean for a ip case?

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

  • Does Sean offer a free consultation?

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

  • How long do ip cases in District of Columbia typically take?

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

  • Can Sean take my case if I'm outside Washington?

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

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

  • Is Sean accepting new ip clients right now?

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

Areas served

IP attorneys serving Washington and Belize City in District of Columbia

Sean handles ip matters throughout District of Columbia. Each city below is a direct link into the search page for verified ip attorneys in that community.