Irvin B. Nathan, Business Attorney in Washington, District of Columbia
Over 57 years of legal practice · focused on Business, Consumer, and Federal Crimes · 5.0/5 rating from 1 verified client review
AttorneyatArnold And Porter Llp
Washington, DC
Practicing business in Washington since 1969.
- 57+
- Years practicing
- 5.0 ★
- 1 client review
- 3
- Bar admissions
Are you Irvin B. Nathan?
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Quick answer
Irvin B. Nathan is an attorney based in Washington, DC. The practice focuses on Business, Consumer, and Federal Crimes. Irvin has over 57 years of legal experience. Currently practicing at Arnold And Porter Llp. Rated 5.0 out of 5 from 1 client review.
- Based in
- Washington, DC
- Experience
- over 57 years
- Known for
- Business · Consumer · Federal Crimes
- Handles Business, Consumer, and Federal Crimes matters from Washington, DC.
- Over 57 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About Irvin B. Nathan: Irvin B. Nathan is an attorney based in Washington, DC. The practice focuses on Business, Consumer, and Federal Crimes. Irvin has over 57 years of legal experience. Currently practicing at Arnold And Porter Llp. Rated 5.0 out of 5 from 1 client review.
Areas of practice
Irvin's practice areas in Washington
Irvin concentrates on business, consumer, federal crimes, general, and international. Each area below outlines the kind of case Irvin handles, typical outcomes to expect, and how the intake process starts.
Business
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Consumer
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Federal Crimes
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General
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International
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Litigation
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Securities
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White Collar
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Business cases in Washington, District of Columbia
Irvin 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 Irvin agrees to represent you.
Consumer cases in Washington, District of Columbia
Irvin takes consumer 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 Irvin agrees to represent you.
Federal Crimes cases in Washington, District of Columbia
Irvin takes federal crimes 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 Irvin agrees to represent you.
General cases in Washington, District of Columbia
Irvin takes general 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 Irvin agrees to represent you.
International cases in Washington, District of Columbia
Irvin takes international 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 Irvin agrees to represent you.
Biography
Irvin B. Nathan, business attorney serving Washington
Irvin B. Nathan is an attorney based in Washington, DC. The practice focuses on Business, Consumer, and Federal Crimes. Irvin has over 57 years of legal experience. Currently practicing at Arnold And Porter Llp. Rated 5.0 out of 5 from 1 client review. Irvin works from Washington, District of Columbia and takes on business matters across the region.
Mr. Irvin B. Nathan is a lawyer practicing commercial, securities & investment fraud, white collar crime defense and 6 other areas of law. Irvin received a B.A. degree from Johns Hopkins University in 1964, and has been licensed for 57 years. Irvin practices at Arnold & Porter LLP in Washington, DC.
Irvin's approach to business cases
Mr. Irvin B. Nathan is a lawyer practicing commercial, securities & investment fraud, white collar crime defense and 6 other areas of law. Irvin received a B.A. degree from Johns Hopkins University in 1964, and has been licensed for 57 years. Irvin practices at Arnold & Porter LLP in Washington, DC.
The kind of cases Irvin takes
Irvin reviews new inquiries case-by-case for business, consumer, and federal crimes matters in Washington and the surrounding District of Columbia area.
Credentials
Credentials — where Irvin studied and practices
Columbia University
LL.B. · 1967
Johns Hopkins University
B.A. · 1964
Jurisdictions
Irvin's state bar admissions
New York
2001 · ACTIVE
U.S. Supreme Court
1969 · ACTIVE
District of Columbia
1969 · ACTIVE
Irvin studied at LL.B. in Columbia University and B.A. in Johns Hopkins University.
Law school and academic background
Irvin completed LL.B. in Columbia University and B.A. in Johns Hopkins University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Irvin runs in District of Columbia is where that training gets applied to real client questions.
Recognition
Irvin's legal honors and published work
Irvin has received 1 formal recognition from bar associations, industry bodies, and peer-review services.
AV Preeminent
Legal awards and honors
AV Preeminent.
Locations
Irvin B. Nathan's office in Washington
Irvin's primary office is at 601 Massachusetts Ave., N.W., Washington, DC, 20001. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Irvin B. Nathan — 5.0/5 rating from 1 verified client review
Every review below is from a verified client of Irvin. Reviews cover communication, case outcome, and value — the three signals that matter most when comparing business attorneys in Washington.
5.0
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Irvin B. Nathan claims this profile.
Read all reviewsHiring guide
How to hire Irvin B. Nathan — what to expect in your first consultation
Working with a new business attorney should feel structured. Here's how the first two conversations with Irvin usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Irvin charges for the initial consult. That fee is credited toward representation if you retain Irvin'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; Irvin 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 Irvin
Irvin 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. Irvin confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Irvin'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 Irvin B. Nathan
How much does it cost to hire Irvin for a business case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Irvin walks through the likely range during the consult so there are no surprises.
Does Irvin offer a free consultation?
Irvin charges for the initial consult; that fee is credited toward representation if you retain Irvin's office. Some business attorneys offer free consults — check Irvin'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. Irvin gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Irvin take my case if I'm outside Washington?
Irvin 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 — Irvin 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 Irvin?
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. Irvin will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Irvin accepting new business clients right now?
Irvin'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
Irvin 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.
More counsel
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