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Wisconsin attorney record

Erin Margaret Hardtke

Erin Margaret Hardtke is an attorney registered with the State Bar of Wisconsin under bar number 1025542, admitted in 1998. The current public license status is "Voluntary Resignation" as of 2026-06-13.

Record standingCaution

License status of record is not eligible to practice.

This attorney is on the roster but the current status (not eligible to practice) is not active good standing. That is a status, not a finding of misconduct — but it means they may not currently be authorized to take on your matter.

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

License standing
Not eligible to practice
per the official roster of record
Experience
28 yrs
admitted 1998
Disciplinary record
None on record
no disbarment or suspension of record
Federal court activity
Not compiled
federal dockets not yet checked

Experience vs. active Wisconsin attorneys

State median: 24 yrs

28 yrs admitted — more experience than ~58% of active Wisconsin attorneys.

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

Years since admission, active Wisconsin attorneys with a published admission year (n = 26,163). This attorney's band is highlighted.

License & registration

Full nameErin Margaret Hardtke
Bar / registration number1025542
License status
Not eligible to practice
official status of record: “Voluntary Resignation”
Admission year1998
Law schoolNot on record
Business locationNot published by State Bar of Wisconsin
FirmSidley Austin LLP
Discipline standingNo disbarment or suspension is reflected in the current public status.
Itemized disciplinary orders are not yet integrated for Wisconsin; 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: State Bar of Wisconsin — official attorney record. As of 2026-06-13 (last roster ingest).

Frequently asked questions

Is Erin Margaret Hardtke a licensed attorney in Wisconsin?

Erin Margaret Hardtke is registered with the State Bar of Wisconsin under bar number 1025542. The current public license status of record is "Voluntary Resignation" as of 2026-06-13.

Has Erin Margaret Hardtke been disbarred or suspended?

No disbarment or suspension is reflected in Erin Margaret Hardtke's current public license status of record per the State Bar of Wisconsin.

What is Erin Margaret Hardtke's bar number?

Erin Margaret Hardtke's Wisconsin bar/registration number is 1025542, assigned by the State Bar of Wisconsin. A bar number is the most reliable way to confirm you have the right attorney, especially for common names.

When was Erin Margaret Hardtke admitted to practice law?

Erin Margaret Hardtke was admitted in 1998 — about 28 years since admission per the State Bar of Wisconsin.

Where is Erin Margaret Hardtke's law office?

The State Bar of Wisconsin record lists the firm Sidley Austin LLP for Erin Margaret Hardtke. Phone and email are not published in the public roster.

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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.

Erin Margaret Hardtke — Wisconsin Attorney (Bar No. 1025542)