Karen Lisabeth Courtheoux
On the New York attorney register since 2010 · office in Chicago, IL
PlainAttorney’s reading of the public register file, not a court record.
- Registration No.
- 4810487
- Admitted
- 2010 · First Department
- Status
- Due to re‑register
- Next registration
- Mar 2026
Karen Lisabeth Courtheoux is due to re‑register on the New York attorney register file of Sep 29, 2026. Admitted in 2010 in the First Department, with an office in Chicago, IL; next registration due Mar 2026. The status is the same in all 3 files we hold. The registration was due in Mar 2026 and the register has not recorded it as filed.
What this status means on the register
On the register, “Due to re‑register” means the attorney has a biennial registration falling due or overdue: the rule asks for it within 30 days after the attorney’s birthday in each alternate year, and the record gives the month it is due. The value stays until the register records the filing or marks the registration delinquent, so the month can have passed; by itself it is not a finding.
- Due to re‑register unchanged
- Due to re‑register unchanged
- Due to re‑register the first file we hold
Source: NY Office of Court Administration, attorney registration file (data.ny.gov, dataset eqw2-r5nb), downloaded Sep 29, 2026; the Jul 3, 2026 and Aug 6, 2026 files for the history.
Others who list this employer on the register
78 other attorneys list Husch Blackwell LLP or one of its other names as their employer on the register; 26 of them were admitted before 2010, and 4 of the 79 give an office in Chicago, IL. The 5 whose admission is closest to 2010, earliest first:
| Attorney | Admitted | Status |
|---|---|---|
| Elizabeth Riddell Penn | 2009 | Currently registered |
| Kevin William Turbert | 2010 | Currently registered |
| Ryan Lawrence Diclemente | 2011 | Currently registered |
| Michael Klebanov | 2011 | Currently registered |
| Michelle Jamie Kline | 2011 | Currently registered |
Source: NY Office of Court Administration, attorney registration file (data.ny.gov, dataset eqw2-r5nb), downloaded Sep 29, 2026; employer spellings merged (methodology).
Where this record sits on the register
Karen Lisabeth Courtheoux studied at University of Chicago Law School. 868 of its 3,232 living graduates on the register were admitted in the 2010s, as Karen Lisabeth Courtheoux was.
- Same law school
- 3,232living graduates; 87.4% registered (current or due), against 87.1% overall
- Office in Chicago, IL
- 2,265living registrants (outside New York State)
Of the 2,265 living registrants with an office in Chicago, IL, 1,018 were admitted before 2010 and 1,164 after.
Source: NY Office of Court Administration, attorney registration file (data.ny.gov, dataset eqw2-r5nb), downloaded Sep 29, 2026; living registrants only.
Questions this record leads to
- Everyone who lists Husch Blackwell LLP79 on the register, 26 of the others admitted before 2010; 4 of the 79 give an office in Chicago, IL.
- University of Chicago Law School graduates on the register3,232 living, 87.4% registered.
- New York-admitted attorneys in Chicago, IL2,265 living registrants give an office there.
- Admitted in 201010,128 people admitted in 2010 are on the register, 3,126 of them through the First Department.
- Every registration that reads “Due to re‑register”47,986 on the register file of Sep 29, 2026, by decade of admission.
- What a New York lawyer may chargeThe court rules on fees, retainers and fee disputes, each cited.
How to confirm it officially
For a statement of Karen Lisabeth Courtheoux’s standing, contact the Attorney Registration Unit of the NY Office of Court Administration (nycourts.gov/attorneys), or ask the Appellate Division, First Department, which admitted Karen Lisabeth Courtheoux in 2010. The register places the office outside New York, so a complaint would go to that department’s grievance committee (22 NYCRR 1240.7(a)(2)).
This page reads the register file of Sep 29, 2026, and the court system’s own search can be newer; the register shows only the current value, so a suspension that ended before the files we hold, or a censure, leaves no trace here (Appellate Division decisions are published through the court system’s Law Reporting Bureau).