Bill Sigler, IP Attorney in Washington, District of Columbia
Over 23 years of legal practice · focused on IP, Litigation, and Patent
Associate
Washington, DC
Practicing ip in Washington since 2003.
- 23+
- Years practicing
- 2
- Bar admissions
Practices in
Are you Bill Sigler?
This profile was built from public bar records and is still unclaimed. Claim it free to control your photo, bio, and fees — and get client inquiries sent straight to you.
Quick answer
Bill Sigler is an associate based in Washington, DC. The practice focuses on IP, Litigation, and Patent. Bill has over 23 years of legal experience.
- Based in
- Washington, DC
- Experience
- over 23 years
- Known for
- IP · Litigation · Patent
- Handles IP, Litigation, and Patent matters from Washington, DC.
- Over 23 years of practice as a licensed attorney.
About Bill Sigler: Bill Sigler is an associate based in Washington, DC. The practice focuses on IP, Litigation, and Patent. Bill has over 23 years of legal experience.
Areas of practice
Legal matters Bill takes on
Bill concentrates on ip, litigation, patent, trademark, and copyright. Each area below outlines the kind of case Bill handles, typical outcomes to expect, and how the intake process starts.
IP
View other IP attorneys
Litigation
View other Litigation attorneys
Patent
View other Patent attorneys
Trademark
View other Trademark attorneys
Copyright
View other Copyright attorneys
IP cases in Washington, District of Columbia
Bill 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 Bill agrees to represent you.
Litigation cases in Washington, District of Columbia
Bill takes litigation 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 Bill agrees to represent you.
Patent cases in Washington, District of Columbia
Bill 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 Bill agrees to represent you.
Trademark cases in Washington, District of Columbia
Bill 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 Bill agrees to represent you.
Copyright cases in Washington, District of Columbia
Bill takes copyright 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 Bill agrees to represent you.
Biography
Meet Bill Sigler — ip lawyer in Washington
Bill Sigler is an associate based in Washington, DC. The practice focuses on IP, Litigation, and Patent. Bill has over 23 years of legal experience.
Bill Sigler is a lawyer practicing intellectual property, patent litigation, litigation and 1 other area of law. Bill received a B.A. degree from Washington and Lee University in 1997, and has been licensed for 23 years. Bill practices in Washington, DC.
Working with Bill on a ip matter
Bill Sigler is a lawyer practicing intellectual property, patent litigation, litigation and 1 other area of law. Bill received a B.A. degree from Washington and Lee University in 1997, and has been licensed for 23 years. Bill practices in Washington, DC.
Clients Bill works with
Bill reviews new inquiries case-by-case for ip, litigation, and patent matters in Washington and the surrounding District of Columbia area.
Credentials
Education, bar admissions, and languages
University of Virginia School of Law
J.D. · 2003
Washington and Lee University
B.A. · 1997
Jurisdictions
Bill's state bar admissions
District of Columbia
2005 · ACTIVE
Virginia
2003 · ACTIVE
Bill studied at J.D. in University of Virginia School of Law and B.A. in Washington and Lee University.
Law school and academic background
Bill completed J.D. in University of Virginia School of Law and B.A. in Washington and Lee University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Bill runs in District of Columbia is where that training gets applied to real client questions.
Locations
Bill Sigler's office in Washington
Bill's primary office is at 301 Wisconsin Ave. N.W., 4th Flr., Washington, DC, 20015. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Bill Sigler
Bill has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.
No reviews yet
Only verified clients who have consulted with Bill Sigler can leave a review.
Schedule your consultationHiring guide
How to hire Bill Sigler — what to expect in your first consultation
Working with a new ip attorney should feel structured. Here's how the first two conversations with Bill usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Bill charges for the initial consult. That fee is credited toward representation if you retain Bill'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; Bill 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 Bill
Bill 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. Bill confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Bill'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 Bill Sigler
How much does it cost to hire Bill for a ip case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Bill walks through the likely range during the consult so there are no surprises.
Does Bill offer a free consultation?
Bill charges for the initial consult; that fee is credited toward representation if you retain Bill's office. Some ip attorneys offer free consults — check Bill'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. Bill gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Bill take my case if I'm outside Washington?
Bill 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 — Bill 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 Bill?
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. Bill will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Bill accepting new ip clients right now?
Bill'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
Bill 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 Bill'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.

Steven A Fredley
Washington, District of Columbia
5.0· 29

Bridget Michael Rohde
Washington, District of Columbia
5.0· 22

Cameron Hajaran Tousi
Washington, District of Columbia
5.0· 21

Joseph John Bottiglieri
Washington, District of Columbia
5.0· 20

David Franklin Freeman, Jr.
Washington, District of Columbia
5.0· 16

Gregory S Smith
Washington, District of Columbia
5.0· 15