
Philip James O'Beirne, Business Attorney in Washington, District of Columbia
Over 21 years of legal practice · focused on Business, Criminal Defense, and Litigation
PartneratStein Mitchell Beato & Missner LLP
Washington, DC
Practicing business in Washington since 2005.
- 21+
- Years practicing
- 2
- Bar admissions
Practices in
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Quick answer
Philip James O'Beirne is a partner based in Washington, DC. The practice focuses on Business, Criminal Defense, and Litigation. Philip has over 21 years of legal experience. Currently practicing at Stein Mitchell Beato & Missner LLP.
- Based in
- Washington, DC
- Experience
- over 21 years
- Known for
- Business · Criminal Defense · Litigation
- Handles Business, Criminal Defense, and Litigation matters from Washington, DC.
- Over 21 years of practice as a licensed attorney.
About Philip James O'Beirne: Philip James O'Beirne is a partner based in Washington, DC. The practice focuses on Business, Criminal Defense, and Litigation. Philip has over 21 years of legal experience. Currently practicing at Stein Mitchell Beato & Missner LLP.
Areas of practice
Practice areas handled by Philip James O'Beirne
Philip concentrates on business, criminal defense, litigation, and white collar. Each area below outlines the kind of case Philip handles, typical outcomes to expect, and how the intake process starts.
Business
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Criminal Defense
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Litigation
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White Collar
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Business cases in Washington, District of Columbia
Philip takes business 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 Philip agrees to represent you.
Criminal Defense cases in Washington, District of Columbia
Philip takes criminal defense 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 Philip agrees to represent you.
Litigation cases in Washington, District of Columbia
Philip 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 Philip agrees to represent you.
White Collar cases in Washington, District of Columbia
Philip takes white collar 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 Philip agrees to represent you.
Biography
About Philip James O'Beirne — Over 21 years of District of Columbia business experience
Philip James O'Beirne is a partner based in Washington, DC. The practice focuses on Business, Criminal Defense, and Litigation. Philip has over 21 years of legal experience. Currently practicing at Stein Mitchell Beato & Missner LLP.
Phil O'Beirne is a trial attorney with experience handling complex civil and criminal litigation. He has served as counsel for corporations and individuals in complex commercial disputes, construction litigation, corporate compliance and FCPA matters, products liability, patent licensing, white collar criminal defense, and other matters.
Prior to joining Stein Mitchell Cipollone Beato & Missner LLP, Phil was a litigation associate at Williams and Connolly, LLP, where he assisted in all aspects of litigation.
Prior to entering private practice, Phil served on active duty as a judge advocate in the U.S. Army. He spent the bulk of his time in the JAG Corps as a prosecutor, serving as lead counsel in more than a dozen courts-martial. In 2009, Phil deployed to Kandahar, Afghanistan with the 82nd Combat Aviation Brigade. As the brigade’s trial counsel in a deployed environment, Phil was responsible for advising commanders on complex rules of engagement, international law, and criminal law issues.
Following his deployment, Phil became the Chief of Criminal Law in Fort Belvoir VA, supervising the prosecution of all criminal matters for a garrison of 22,000 personnel. In addition to these duties, he was individually selected by the Military District of Washington to prosecute high profile senior officer misconduct cases.
Working with Philip on a business matter
Phil O'Beirne is a trial attorney with experience handling complex civil and criminal litigation. He has served as counsel for corporations and individuals in complex commercial disputes, construction litigation, corporate compliance and FCPA matters, products liability, patent licensing, white collar criminal defense, and other matters. Prior to joining Stein Mitchell Cipollone Beato & Missner…
Who Philip represents
Philip reviews new inquiries case-by-case for business, criminal defense, and litigation matters in Washington and the surrounding District of Columbia area.
Credentials
Philip James O'Beirne's legal education and bar admissions
University of Notre Dame Law School
J.D. · 2005
Princeton University
A.B. · 2002
Jurisdictions
Philip's state bar admissions
District of Columbia
2011 · ACTIVE
Virginia
2005 · ACTIVE
Philip studied at J.D. in University of Notre Dame Law School and A.B. in Princeton University.
Law school and academic background
Philip completed J.D. in University of Notre Dame Law School and A.B. in Princeton University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Philip runs in District of Columbia is where that training gets applied to real client questions.
Locations
Philip James O'Beirne's office in Washington
Philip's primary office is at 2000 K Street NW, Suite 600, Washington, DC, 20006. In-person meetings are by appointment; a phone intake usually comes first.
Stein Mitchell Beato & Missner LLP
2000 K Street NW, Suite 600
Washington, DC 20006
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Client reviews of Philip James O'Beirne
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Schedule your consultationHiring guide
How to hire Philip James O'Beirne — what to expect in your first consultation
Working with a new business attorney should feel structured. Here's how the first two conversations with Philip usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Philip charges for the initial consult. That fee is credited toward representation if you retain Philip'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; Philip will tell you what matters and what doesn't.
Questions to ask a business attorney in Washington, District of Columbia
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 Philip
Philip 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. Philip confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Philip'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 Philip James O'Beirne
How much does it cost to hire Philip for a business case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Philip walks through the likely range during the consult so there are no surprises.
Does Philip offer a free consultation?
Philip charges for the initial consult; that fee is credited toward representation if you retain Philip's office. Some business attorneys offer free consults — check Philip's current terms during booking.
How long do business cases in District of Columbia 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. Philip gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Philip take my case if I'm outside Washington?
Philip 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 — Philip 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 Philip?
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. Philip will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Philip accepting new business clients right now?
Philip'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 Washington and Belize City in District of Columbia
Philip handles business matters throughout District of Columbia. Each city below is a direct link into the search page for verified business attorneys in that community.
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