Skip to content
Check My Attorney

New York attorney record

Sean Adam Petterson

Sean Adam Petterson is an attorney registered with the NYS Office of Court Administration (OCA) Attorney Registration Unit under bar number 5412663, admitted in 2016. The current public license status is "Currently registered" 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
10 yrs
admitted 2016
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

10 yrs admitted — more experience than ~24% 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 nameSean Adam Petterson
Bar / registration number5412663
License status
Active
official status of record: “Currently registered”
Admission year2016
Law schoolNew York University School of Law
Business locationNew York, NY
FirmLieff, Cabraser, Heimann & Bernstein
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 Sean Adam Petterson a licensed attorney in New York?

Sean Adam Petterson is registered with the NYS Office of Court Administration (OCA) Attorney Registration Unit under bar number 5412663. The current public license status of record is "Currently registered" as of 2026-06-13.

Has Sean Adam Petterson been disbarred or suspended?

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

What is Sean Adam Petterson's bar number?

Sean Adam Petterson's New York bar/registration number is 5412663, 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 Sean Adam Petterson admitted to practice law?

Sean Adam Petterson was admitted in 2016 — about 10 years since admission per the NYS Office of Court Administration (OCA) Attorney Registration Unit. Law school of record: New York University School of Law.

Where is Sean Adam Petterson's law office?

The NYS Office of Court Administration (OCA) Attorney Registration Unit record lists a business location of New York, NY and the firm Lieff, Cabraser, Heimann & Bernstein for Sean Adam Petterson. Phone and email are not published in the public roster.

For attorneys

Is this your record?

Claim it to request corrections or add your practice details. Submit your info and we'll email you the verification steps right away — our team reviews claims within 1–2 business days.

This site republishes official public records and is not legal advice, a lawyer referral service, or a consumer reporting agency. Information here may not be used to make decisions about employment, tenancy, or credit (FCRA). Records are shown as published by their official sources and may contain errors or be out of date; consult the linked official source to verify. To correct or dispute a record, contact the licensing authority of record.

Sean Adam Petterson — New York Attorney (Bar No. 5412663)