New York attorney record · Judicial Dept 1
Kathleen Iannone Tatum
Harvard Law School alumna, admitted to the New York bar in 2017, registered office in Baltimore, MD. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2017
- Admitted
- 9
- Years in bar
- 5481817
- NY reg #
The record in one line
Admitted in 2017, Kathleen Iannone Tatum has built 9 years of active New York practice - more tenure than 13% of the state's currently-active attorneys.
- 9 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #442 of 538
- by tenure in Baltimore office peers
- Law school
- Harvard Law School
Data updated September 2026
What this profile tells you
Bar status & tenure
Bar number 5481817 on the New York register belongs to Kathleen Iannone Tatum, currently in active standing. Registration is recorded within Judicial Department 1, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Under Armour, Inc., located in Baltimore, MD, ZIP 21230. 2 other attorneys share this firm affiliation in the registry. Educational background: Harvard Law School (16,712 registered alumni).
State context & due diligence
Kathleen Iannone Tatum is currently part of the New York bar's active cohort, a group the breakdown below sizes against the full register.
Experience vs. the active New York bar
9 years into an active New York practice since a 2017 admission, Kathleen Iannone Tatum sits here on the statewide experience curve - taller bars hold more attorneys at that experience level.
9 years on the New York bar
Years since admission, all currently-active NY attorneys
9 Top 87% higher than 13% of 290,787 active NY attorneys
Each bar is a band; taller bars hold more active NY attorneys. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NY Office of Court Administration, Attorney Registration · September 2026
Tenure among Baltimore, MD office peers
Kathleen Iannone Tatum is among the longer-standing NY-bar records in Baltimore, MD: #442 of 538 by years since admission (82nd percentile locally). See the Baltimore attorney directory .
- Local rank
- #442
- City cohort
- 538
- Local percentile
- 82nd
- Admitted
- 2017
Nearest tenure peers in Baltimore
- Michael Alan Brown admitted 2017 · 9 yr
- Charles William Bruno admitted 2017 · 9 yr
- Ariel David Evans admitted 2017 · 9 yr
- Lawrence J. Gebhardt admitted 2017 · 9 yr
How local rank is computed
Rank uses years since NY-bar admission among non-deceased registry rows that list the same office city and state, a local placement, not a statewide claim. Source: NY Office of Court Administration Attorney Registration · as of September 2026. Derived local rank, not published upstream.
How Kathleen compares to fellow Harvard Law School alumni
Among the 8,724 Harvard Law School graduates in the New York register, Kathleen Iannone Tatum is longer-tenured than 16%.
9 years vs. Harvard Law School alumni
Years since admission - 8,724 NY-registered alumni of this school
9 Top 84% higher than 16% of 8,724 fellow alumni
Each bar is a band; taller bars hold more fellow alumni. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NY Office of Court Administration, Attorney Registration · September 2026
Harvard Law School's active-bar rate
Of Harvard Law School's 16,712 alumni in the New York register, 63.6% currently hold "Currently registered" status, below the statewide average.
The 2017 admission class today
Of the 8,202 attorneys admitted to the New York bar in 2017, 93.5% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 5481817
- Year Admitted
- 2017 (9 yrs · mid-career)
- Judicial Department
- 1
- Next Registration
- Jul 2027
Location & Contact
- Company
- Under Armour, Inc.
- City
- Baltimore, MD
- ZIP Code
- 21230
- Phone
- (410) 454-6607
Education
Status Distribution Across the New York Bar
Kathleen Iannone Tatum's current status, "Currently registered", places this attorney in the 67.2% of the 432,625-attorney New York register currently marked active.
Full statewide breakdown & source note
Source: NY Office of Court Administration, Attorney Registrations. Status counts reflect the latest reporting cycle. Bar status confirms registration only; it does not imply competence, specialty fit, or freedom from complaints.
Same firm affiliation: Under Armour, Inc.
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
View all attorneys at this firm →Near-tenure Harvard Law School alumni
Fellow alumni on the NY register whose admission year is closest to 2017 (excluding same-firm colleagues above).
Same admission year (2017), other cities
NY-registered attorneys admitted in 2017 whose listed office city differs from Baltimore, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Kathleen Iannone Tatum: closest NY bar admission year outside MD, and closest out-of-state office cities by how many NY-registered attorneys they list (~539 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2017)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Baltimore, MD
Compare credentials side-by-side
Compare Kathleen Iannone Tatum with similar attorneys in Baltimore.
Compare attorneys →Before you rely on this record
Kathleen Iannone Tatum's "Currently registered" listing confirms bar standing only, it is a registration fact to verify, not a verdict on quality or competence.
Frequently Asked Questions
Where is Kathleen Tatum licensed?
Kathleen Tatum is licensed to practice law in New York.
When was Kathleen Iannone Tatum admitted to the bar?
Kathleen Iannone Tatum has been on the New York bar register since 2017.
Where did Kathleen Iannone Tatum go to law school?
Kathleen Iannone Tatum attended Harvard Law School.
What company does Kathleen Iannone Tatum work for?
Kathleen Iannone Tatum is associated with Under Armour, Inc. in Baltimore, MD.
Is Kathleen Iannone Tatum in good standing?
Yes, Kathleen Iannone Tatum holds active bar status ("Currently registered").
Cite this page & disclosure
Sourced from the NY Office of Court Administration, informational only, not legal advice. Full disclosure.
Read our methodology - how this data is sourced, computed, and verified.