New York attorney record · Judicial Dept 3
John Carl Zwisler
Northeastern University School Of Law alumna, admitted to the New York bar in 2017, registered office in Boston, MA. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2017
- Admitted
- 9
- Years in bar
- 5512363
- NY reg #
The record in one line
Admitted in 2017, John Carl Zwisler 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"
- #2232 of 2,912
- by tenure in Boston office peers
- Law school
- Northeastern University School Of Law
Data updated September 2026
What this profile tells you
Bar status & tenure
Bar number 5512363 on the New York register belongs to John Carl Zwisler, currently in active 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 Seyfarth Shaw LLP, located in Boston, MA, ZIP 02210. 5 other attorneys share this firm affiliation in the registry. Educational background: Northeastern University School of Law (811 registered alumni).
State context & due diligence
John Carl Zwisler 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, John Carl Zwisler 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 Boston, MA office peers
Among the 2,912 NY-registered attorneys with a listed office in Boston, MA, John Carl Zwisler ranks #2,232 by tenure, longer-tenured than 77% of that city cohort. See the Boston attorney directory .
- Local rank
- #2,232
- City cohort
- 2,912
- Local percentile
- 77th
- Admitted
- 2017
Nearest tenure peers in Boston
- Yashira Marie Agosto admitted 2017 · 9 yr
- Jesse Gardner Ainlay admitted 2017 · 9 yr
- Afua Sarpong Akoto admitted 2017 · 9 yr
- Emmanuel Hiram Arnaud 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 John compares to fellow Northeastern University School Of Law alumni
Among the 717 Northeastern University School Of Law graduates in the New York register, John Carl Zwisler is longer-tenured than 26%.
9 years vs. Northeastern University School Of Law alumni
Years since admission - 717 NY-registered alumni of this school
9 Top 74% higher than 26% of 717 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
Northeastern University School Of Law's active-bar rate
Of Northeastern University School Of Law's 811 alumni in the New York register, 84.2% currently hold "Currently registered" status, above 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
- 5512363
- Year Admitted
- 2017 (9 yrs · mid-career)
- Judicial Department
- 3
- Next Registration
- Jun 2027
Location & Contact
- Company
- Seyfarth Shaw LLP
- City
- Boston, MA
- ZIP Code
- 02210
- Phone
- (617) 946-8325
Education
Status Distribution Across the New York Bar
John Carl Zwisler'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: Seyfarth Shaw LLP
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Northeastern University School Of Law 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 Boston, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for John Carl Zwisler: closest NY bar admission year outside MA, and closest out-of-state office cities by how many NY-registered attorneys they list (~2,913 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 Boston, MA
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Compare attorneys →Before you rely on this record
John Carl Zwisler'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 Zwisler licensed?
John Zwisler is licensed to practice law in New York.
When was John Carl Zwisler admitted to the bar?
John Carl Zwisler has been on the New York bar register since 2017.
Where did John Carl Zwisler go to law school?
John Carl Zwisler attended Northeastern University School of Law.
What company does John Carl Zwisler work for?
John Carl Zwisler is associated with Seyfarth Shaw LLP in Boston, MA.
Is John Carl Zwisler in good standing?
Yes, John Carl Zwisler 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.