Clifton Everett McCann, IP Attorney in Washington, District of Columbia
Over 48 years of legal practice · focused on IP, Patent, and Trademark · 5.0/5 rating from 11 verified client reviews
Partner
Washington, DC
Practicing ip in Washington since 1978.
- 48+
- Years practicing
- 5.0 ★
- 11 client reviews
- 2
- Bar admissions
Are you Clifton Everett McCann?
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Quick answer
Clifton Everett McCann is a partner based in Washington, DC. The practice focuses on IP, Patent, and Trademark. Clifton has over 48 years of legal experience. Rated 5.0 out of 5 from 11 client reviews.
- Based in
- Washington, DC
- Experience
- over 48 years
- Known for
- IP · Patent · Trademark
- Handles IP, Patent, and Trademark matters from Washington, DC.
- Over 48 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About Clifton Everett McCann: Clifton Everett McCann is a partner based in Washington, DC. The practice focuses on IP, Patent, and Trademark. Clifton has over 48 years of legal experience. Rated 5.0 out of 5 from 11 client reviews.
Areas of practice
Legal matters Clifton takes on
Clifton concentrates on ip, patent, and trademark. Each area below outlines the kind of case Clifton handles, typical outcomes to expect, and how the intake process starts.
IP cases in Washington, District of Columbia
Clifton 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 Clifton agrees to represent you.
Patent cases in Washington, District of Columbia
Clifton 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 Clifton agrees to represent you.
Trademark cases in Washington, District of Columbia
Clifton 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 Clifton agrees to represent you.
Biography
Meet Clifton Everett McCann — ip lawyer in Washington
Clifton Everett McCann is a partner based in Washington, DC. The practice focuses on IP, Patent, and Trademark. Clifton has over 48 years of legal experience. Rated 5.0 out of 5 from 11 client reviews.
Mr. Clifton Everett McCann is a lawyer practicing trademark infringement, patent infringement, intellectual property. Clifton received a B.A. degree from Northern Illinois University in 1972, and has been licensed for 48 years. Clifton practices in Washington, DC.
Working with Clifton on a ip matter
Mr. Clifton Everett McCann is a lawyer practicing trademark infringement, patent infringement, intellectual property. Clifton received a B.A. degree from Northern Illinois University in 1972, and has been licensed for 48 years. Clifton practices in Washington, DC.
Who Clifton represents
Clifton reviews new inquiries case-by-case for ip, patent, and trademark matters in Washington and the surrounding District of Columbia area.
Credentials
Education, bar admissions, and languages
The Catholic University of America
J.D. The · 1977
Northern Illinois University
B.A. · 1972
Jurisdictions
Clifton's state bar admissions
District of Columbia
1984 · ACTIVE
Virginia U.S. Suprem
1978 · ACTIVE
Clifton studied at J.D. The in The Catholic University of America and B.A. in Northern Illinois University.
Law school and academic background
Clifton completed J.D. The in The Catholic University of America and B.A. in Northern Illinois University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Clifton runs in District of Columbia is where that training gets applied to real client questions.
Recognition
Recognition and thought leadership
Clifton has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Affiliations
Clifton's professional memberships and bar associations
C
membership
Intellectual Property Owners Association
membership
District of Columbia Bar Foundation (Board of Trustees)
bar_fellowship
Locations
Clifton Everett McCann's office in Washington
Clifton's primary office is at 1919 M St NW Ste 700, Washington, DC, 20036-3537. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Clifton Everett McCann — 5.0/5 rating from 11 verified client reviews
Every review below is from a verified client of Clifton. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing ip attorneys in Washington.
5.0
11 client reviews
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Clifton Everett McCann claims this profile.
Read all reviewsHiring guide
How to hire Clifton Everett McCann — what to expect in your first consultation
Working with a new ip attorney should feel structured. Here's how the first two conversations with Clifton usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Clifton charges for the initial consult. That fee is credited toward representation if you retain Clifton'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; Clifton 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 Clifton
Clifton 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. Clifton confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Clifton'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 Clifton Everett McCann
How much does it cost to hire Clifton for a ip case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Clifton walks through the likely range during the consult so there are no surprises.
Does Clifton offer a free consultation?
Clifton charges for the initial consult; that fee is credited toward representation if you retain Clifton's office. Some ip attorneys offer free consults — check Clifton'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. Clifton gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Clifton take my case if I'm outside Washington?
Clifton 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 — Clifton 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 Clifton?
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. Clifton will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Clifton accepting new ip clients right now?
Clifton'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
Clifton 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.
More counsel
Other top-rated ip attorneys in District of Columbia
If Clifton's intake is full or the fit isn't right, these ip attorneys in Washington handle similar matters. Every profile below is verified and open to consultations.

Cameron Hajaran Tousi
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5.0· 21

Fernand Albert Lavallee
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John Robert Hutchins
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Steven Paul Hollman
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Sheila A. Millar
Washington, District of Columbia
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Daniel Brendan Hassett
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