New York attorney record · Judicial Dept 3
John Louis Slimm
University Of Notre Dame Law School alumna, admitted to the New York bar in 1989, registered office in Mount Laurel, NJ. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1989
- Admitted
- 37
- Years in bar
- 2297257
- NY reg #
The record in one line
With 37 years on the register since a 1989 admission, John Louis Slimm ranks among the New York bar's most senior active practitioners, longer-tenured than 79% of the currently-active bar.
- 37 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 21%
- by tenure among active NY attorneys
- Law school
- University Of Notre Dame Law School
Data updated May 2026
What this profile tells you
Bar status & tenure
Registration 2297257 with the New York bar authority has long belonged to John Louis Slimm, 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 Marshall Dennehey P.C., located in Mount Laurel, NJ, ZIP 08054. 3 other attorneys share this firm affiliation in the registry. Educational background: University of Notre Dame Law School (581 registered alumni).
State context & due diligence
After 37 years on the register, John Louis Slimm 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 John Louis Slimm's 37 years since admission in 1989. The histogram plots that tenure against every currently-active attorney in the state.
37 years on the New York bar
Years since admission, all currently-active NY attorneys
37 Top 21% higher than 79% of 284,296 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 · May 2026
How John compares to fellow University Of Notre Dame Law School alumni
Among the 511 University Of Notre Dame Law School graduates in the New York register, John Louis Slimm is longer-tenured than 99% - a school-cohort view of experience, alongside the statewide one above.
37 years vs. University Of Notre Dame Law School alumni
Years since admission - 511 NY-registered alumni of this school
37 Top 1% higher than 99% of 511 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 · May 2026
University Of Notre Dame Law School's active-bar rate
Of University Of Notre Dame Law School's 581 alumni in the New York register, 84.9% currently hold "Currently registered" status, above the statewide average.
University Of Notre Dame Law School alumni, active-bar rate
The 1989 admission class today
Of the 6,247 attorneys admitted to the New York bar in 1989, 70.8% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2297257
- Year Admitted
- 1989 (37 yrs · veteran)
- Judicial Department
- 3
- Next Registration
- Jan 2027
Location & Contact
- Company
- Marshall Dennehey P.C.
- City
- Mount Laurel, NJ
- ZIP Code
- 08054
- Phone
- (609) 414-6021
Education
Status Distribution Across the New York Bar
John Louis Slimm's current status, "Currently registered", places this attorney in the 66.2% of the 429,620-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.
Other Attorneys at Marshall Dennehey P.C.
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Compare attorneys →Before you rely on this record
John Louis Slimm'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 John Slimm licensed?
John Slimm is licensed to practice law in New York.
When was John Louis Slimm admitted to the bar?
John Louis Slimm's admission to the New York bar dates back to 1989.
Where did John Louis Slimm go to law school?
John Louis Slimm attended University of Notre Dame Law School.
What company does John Louis Slimm work for?
John Louis Slimm is associated with Marshall Dennehey P.C. in Mount Laurel, NJ.
Is John Louis Slimm in good standing?
Yes, John Louis Slimm holds active bar status ("Currently registered").
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.