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New York attorney record

William McQuaid Duffy

William McQuaid Duffy is an attorney registered with the NYS Office of Court Administration (OCA) Attorney Registration Unit under bar number 4055240, admitted in 2002. The current public license status is "Due to reregister within 30 days of birthday" as of 2026-06-13.

Record standingClear

Active license with no disbarment or suspension of record.

The current license status of record is active, and no disbarment or suspension is reflected in the public record we hold.

A summary of the public record — not a rating of skill, not a recommendation, not legal advice.

License standing
Active
per the official roster of record
Experience
24 yrs
admitted 2002
Disciplinary record
None on record
no disbarment or suspension of record
Federal court activity
Not compiled
federal dockets not yet checked

Experience vs. active New York attorneys

State median: 20 yrs

24 yrs admitted — more experience than ~59% of active New York attorneys.

0–45–910–1415–1920–2425–2930–3435–3940+

Years since admission, active New York attorneys with a published admission year (n = 333,133). This attorney's band is highlighted.

License & registration

Full nameWilliam McQuaid Duffy
Bar / registration number4055240
License status
Active
official status of record: “Due to reregister within 30 days of birthday”
Admission year2002
Law schoolHofstra University Maurice A. Deane School of Law
Business locationHauppauge, NY
FirmSuffolk County Legislature
Discipline standingNo disbarment or suspension is reflected in the current public status.
Itemized disciplinary orders are not yet integrated for New York; see the official source for the full record.

Federal court activity

Federal court activity has not been compiled for this attorney yet.

Source & last updated

Source: NYS Office of Court Administration (OCA) Attorney Registration Unit — official attorney record. As of 2026-06-13 (last roster ingest).

Frequently asked questions

Is William McQuaid Duffy a licensed attorney in New York?

William McQuaid Duffy is registered with the NYS Office of Court Administration (OCA) Attorney Registration Unit under bar number 4055240. The current public license status of record is "Due to reregister within 30 days of birthday" as of 2026-06-13.

Has William McQuaid Duffy been disbarred or suspended?

No disbarment or suspension is reflected in William McQuaid Duffy's current public license status of record per the NYS Office of Court Administration (OCA) Attorney Registration Unit.

What is William McQuaid Duffy's bar number?

William McQuaid Duffy's New York bar/registration number is 4055240, assigned by the NYS Office of Court Administration (OCA) Attorney Registration Unit. A bar number is the most reliable way to confirm you have the right attorney, especially for common names.

When was William McQuaid Duffy admitted to practice law?

William McQuaid Duffy was admitted in 2002 — about 24 years since admission per the NYS Office of Court Administration (OCA) Attorney Registration Unit. Law school of record: Hofstra University Maurice A. Deane School of Law.

Where is William McQuaid Duffy's law office?

The NYS Office of Court Administration (OCA) Attorney Registration Unit record lists a business location of Hauppauge, NY and the firm Suffolk County Legislature for William McQuaid Duffy. Phone and email are not published in the public roster.

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William McQuaid Duffy — New York Attorney (Bar No. 4055240)