New York attorney record · Judicial Dept 2
John Stephen Macken Iii
Catholic University Law School alumna, admitted to the New York bar in 2010, registered office in Rockville, MD. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2010
- Admitted
- 16
- Years in bar
- 4757704
- NY reg #
The record in one line
John Stephen Macken Iii has held an active New York bar license for 16 years - admitted in 2010, longer-tenured than 38% of the state's currently-active attorneys.
- 16 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #140 of 218
- by tenure in Rockville office peers
- Law school
- Catholic University Law School
Data updated August 2026
What this profile tells you
Bar status & tenure
John Stephen Macken Iii carries New York bar registration 4757704, an established, active practitioner in good standing. Registration is recorded within Judicial Department 2, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Nasdaq, located in Rockville, MD, ZIP 20850. 5 other attorneys share this firm affiliation in the registry. Educational background: CATHOLIC UNIVERSITY LAW SCHOOL (4 registered alumni).
State context & due diligence
With an established practice on record, John Stephen Macken Iii remains inside the New York bar's active cohort - see below for how that share of the register compares.
Experience vs. the active New York bar
John Stephen Macken Iii was admitted in 2010, giving 16 years on the New York register.
16 years on the New York bar
Years since admission, all currently-active NY attorneys
16 Top 62% higher than 38% 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 · August 2026
Tenure among Rockville, MD office peers
Relative to the 218 NY-registered attorneys listing Rockville, MD, John Stephen Macken Iii is longer-tenured than 64% (local rank #140). See the Rockville attorney directory .
- Local rank
- #140
- City cohort
- 218
- Local percentile
- 64th
- Admitted
- 2010
Nearest tenure peers in Rockville
- Andrew Raymond Booth admitted 2010 · 16 yr
- Aristotle Eder Evia admitted 2010 · 16 yr
- David Francis Kokell admitted 2010 · 16 yr
- John Stuart O'Neil admitted 2010 · 16 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 August 2026. Derived local rank, not published upstream.
Catholic University Law School's active-bar rate
Of Catholic University Law School's 4 alumni in the New York register, 75% currently hold "Currently registered" status, above the statewide average.
The 2010 admission class today
Of the 10,128 attorneys admitted to the New York bar in 2010, 69.6% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4757704
- Year Admitted
- 2010 (16 yrs · senior)
- Judicial Department
- 2
- Next Registration
- May 2028
Location & Contact
- Company
- Nasdaq
- City
- Rockville, MD
- ZIP Code
- 20850
- Phone
- (301) 728-3741
Education
Status Distribution Across the New York Bar
John Stephen Macken Iii'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: Nasdaq
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Same admission year (2010), other cities
NY-registered attorneys admitted in 2010 whose listed office city differs from Rockville, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for John Stephen Macken Iii: closest NY bar admission year outside MD, and closest out-of-state office cities by how many NY-registered attorneys they list (~219 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2010)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
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Compare attorneys →Before you rely on this record
John Stephen Macken Iii'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 Macken licensed?
John Macken is licensed to practice law in New York.
When was John Stephen Macken Iii admitted to the bar?
John Stephen Macken Iii was admitted to the bar in 2010.
Where did John Stephen Macken Iii go to law school?
John Stephen Macken Iii attended CATHOLIC UNIVERSITY LAW SCHOOL.
What company does John Stephen Macken Iii work for?
John Stephen Macken Iii is associated with Nasdaq in Rockville, MD.
Is John Stephen Macken Iii in good standing?
Yes, John Stephen Macken Iii 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.