Attorneys in Washington, DC

12,541 registered attorneys

Washington office-market desk (DC)

Statewide count rank #1 / 5DC cities, a mega office market.

Among 12,541 non-deceased rows with an admission year, the span runs 1956-2026 (median 2009). Longest-tenured listed office peers: Daniel Morris Singer (1956) , Don Wallace Jr (1957) , Jack Louis Lipson (1958) .

Washington's register footprint

Washington, DC concentrates in Currently registered (83% of 12,541 rows; status mix index 6,965).

Among school-named rows, Georgetown University Law Center alone is 41% (school mix index 3,451).

Mix index is HHI×10,000 on OCA status shares and on school-named rows. Distinct from the statewide rank line above.

Washington office-book shape

Washington spreads named employers across 4,938 firms (mix index 18); U.S. Department Of Justice leads at 182 of 12,140 named rows.

ZIP book runs 170 codes; 20006 holds 14% (1,773 rows).

Judicial dept 3 covers 52% of dept-tagged rows (6,493 of 4 departments present).

Largest admission decade is the 2010s at 37% of 12,541 dated rows - no single decade majority.

Derived from employer, ZIP, judicial-department, and admission-year fields on the same OCA extract - not a market-quality ranking.

Washington status stack

office rows

What this shows 83% Currently registered among 12,541 office rows.

Source NY OCA Attorney Registrations via data.ny.gov As of 2026-08-06
Name Status
Juliana Schulte O'Reilly Currently registered
William Benjamin O'Reilly Currently registered
Jenny Ji-Inn Park O'Shanick Currently registered
Aisling Rockwell O'Shea Currently registered
Caitlin O'Sullivan Currently registered
Erin Patricia O'Sullivan Currently registered
Julie R. O'Sullivan Currently registered
Margaret Claire O'Sullivan Currently registered
Sarah Schulberg O'Sullivan Currently registered
Laurie Anne Oberembt Currently registered
Timothy Robert Oberleiton Currently registered
Ikechukwu Agunwa Obioma Currently registered
Christopher Ocasal Currently registered
Kimberly Denise Ockene Currently registered
Jeanne P. Ockerman Currently registered
Zinelle October Currently registered
Thomas J. Odonnell Currently registered
Norbert Uzochukwu Odonwodo Currently registered
Adrian Eun Joo Odya-Weis Currently registered
Sergio Federico Oehninger Currently registered
David Michael Offutt Jr. Currently registered
Annette Ofori Currently registered
Akiko Ogawa Currently registered
Mark Olanrewaju Ogunsusi Currently registered
Sally Seong Oh Currently registered
Sarah Oh Currently registered
Elinathan Nosakhare Ohiomoba Currently registered
Daniel Nicholas Ohlstein Currently registered
John Nelson Ohlweiler Currently registered
Angela June Ohm Currently registered
David Jonathan Ohrenstein Currently registered
Oluwatomi Olajumoke Ojo-Ade Currently registered
Rebecca Ann Ojserkis Currently registered
Patrick K. Okeefe Currently registered
Thomas Andrew Okeefe Currently registered
Vera Osiro Okelo Currently registered
Christina Chinwe Okereke Currently registered
Chukwuka Clarence Okoh Currently registered
Tschika Latoya Mcbean Okosi Currently registered
Winifred Nonylum Okoye Currently registered
Atsuko Okubo Currently registered
Jessica Brooke Olaussen Currently registered
Edward Kendall Olds Currently registered
Hope Sharon Olds Currently registered
David P. Olener Currently registered
Sarah Ashley Oliai Currently registered
Jane Margaret Olin-Ammentorp Currently registered
Dara Beth Oliphant Currently registered
Andrew Jacob Oliveira Currently registered
Denise Rocha Oliveira Currently registered

Showing 6,901–6,950 of 10,364 attorneys with status Currently registered

Out-of-state peers for Washington

Washington, DC at 12,541 office rows and 83% Currently registered - matched below on count and active rate (not the nearest-count strip above).

Counts and active rates come from the NY State Office of Court Administration registration extract; peers are not a market-quality or employment ranking.