New York attorney record · Judicial Dept 3
Stephen Halstead Dinolfo
University Of Toledo alumna, admitted to the New York bar in 2001, registered office in Lisle, IL. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 2001
- Admitted
- 25
- Years in bar
- 3954807
- NY reg #
The record in one line
With 25 years on the register since a 2001 admission, Stephen Halstead Dinolfo ranks among the New York bar's most senior active practitioners, longer-tenured than 62% of the currently-active bar.
- 25 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #1 of 5
- by tenure in Lisle office peers
- Law school
- University Of Toledo
Data updated September 2026
What this profile tells you
Bar status & tenure
Registration 3954807 with the New York bar authority has long belonged to Stephen Halstead Dinolfo, a veteran practitioner still in active good standing. Registration is recorded within Judicial Department 3, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Ottosen Dinolfo Hasenblag & Castaldo, Ltd., located in Lisle, IL, ZIP 60532. Educational background: UNIVERSITY OF TOLEDO (222 registered alumni).
State context & due diligence
After 25 years on the register, Stephen Halstead Dinolfo still falls within the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
Few active New York attorneys match Stephen Halstead Dinolfo's 25 years since admission in 2001.
25 years on the New York bar
Years since admission, all currently-active NY attorneys
25 Top 38% higher than 62% 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 Lisle, IL office peers
Within Lisle, IL's 5-attorney local set, Stephen Halstead Dinolfo is #1 by tenure, a small-cohort read, not a statewide claim. See the Lisle attorney directory .
- Local rank
- #1
- City cohort
- 5
- Local percentile
- 0th
- Admitted
- 2001
Nearest tenure peers in Lisle
- Kim Anne Thompson admitted 2004 · 22 yr
- Daniel Ryan Bryer admitted 2012 · 14 yr
- Joseph Louis Pellis Ii admitted 2014 · 12 yr
- Laura Koronaci admitted 2025 · 1 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 Stephen compares to fellow University Of Toledo alumni
Among the 123 University Of Toledo graduates in the New York register, Stephen Halstead Dinolfo is longer-tenured than 23%.
25 years vs. University Of Toledo alumni
Years since admission - 123 NY-registered alumni of this school
25 Top 77% higher than 23% of 123 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
University Of Toledo's active-bar rate
Of University Of Toledo's 222 alumni in the New York register, 64% currently hold "Currently registered" status, below the statewide average.
The 2001 admission class today
Of the 7,416 attorneys admitted to the New York bar in 2001, 82.5% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 3954807
- Year Admitted
- 2001 (25 yrs · veteran)
- Judicial Department
- 3
- Next Registration
- Dec 2027
Location & Contact
- Company
- Ottosen Dinolfo Hasenblag & Castaldo, Ltd.
- City
- Lisle, IL
- ZIP Code
- 60532
- Phone
- (630) 682-0085
Education
Status Distribution Across the New York Bar
Stephen Halstead Dinolfo'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.
Near-tenure University Of Toledo alumni
Fellow alumni on the NY register whose admission year is closest to 2001 (excluding same-firm colleagues above).
Same admission year (2001), other cities
NY-registered attorneys admitted in 2001 whose listed office city differs from Lisle, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Out-of-state NY bar peers for Stephen Halstead Dinolfo with the closest admission year to 2001. Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
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 Lisle, IL
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Compare attorneys →Before you rely on this record
Stephen Halstead Dinolfo'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 Stephen Dinolfo licensed?
Stephen Dinolfo is licensed to practice law in New York.
When was Stephen Halstead Dinolfo admitted to the bar?
Stephen Halstead Dinolfo's admission to the New York bar dates back to 2001.
Where did Stephen Halstead Dinolfo go to law school?
Stephen Halstead Dinolfo attended UNIVERSITY OF TOLEDO.
What company does Stephen Halstead Dinolfo work for?
Stephen Halstead Dinolfo is associated with Ottosen Dinolfo Hasenblag & Castaldo, Ltd. in Lisle, IL.
Is Stephen Halstead Dinolfo in good standing?
Yes, Stephen Halstead Dinolfo 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.