New York attorney record · Judicial Dept 3
Mark Alexander Jansen
Santa Clara University alumna, admitted to the New York bar in 2017, registered office in New York, NY. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2017
- Admitted
- 9
- Years in bar
- 5517370
- NY reg #
The record in one line
Admitted in 2017, Mark Alexander Jansen 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"
- #65250 of 93,608
- by tenure in New York office peers
- Law school
- Santa Clara University
Data updated August 2026
What this profile tells you
Bar status & tenure
Bar number 5517370 on the New York register belongs to Mark Alexander Jansen, 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 Fenwick & West LLP, located in New York, NY (New York County), ZIP 10010. 5 other attorneys share this firm affiliation in the registry. Educational background: SANTA CLARA UNIVERSITY (75 registered alumni).
State context & due diligence
Mark Alexander Jansen 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, Mark Alexander Jansen 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 · August 2026
Tenure among New York, NY office peers
Mark Alexander Jansen's 9-year NY register tenure places mid-pack in New York, NY: rank #65,250 of 93,608 office peers (70th percentile). See the New York attorney directory .
- Local rank
- #65,250
- City cohort
- 93,608
- Local percentile
- 70th
- Admitted
- 2017
Nearest tenure peers in New York
- Ryann Matthew Aaron admitted 2017 · 9 yr
- Heba Abdelaal admitted 2017 · 9 yr
- Alexander Abedine admitted 2017 · 9 yr
- Alexander Lee Abelson 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 August 2026. Derived local rank, not published upstream.
How Mark compares to fellow Santa Clara University alumni
Among the 71 Santa Clara University graduates in the New York register, Mark Alexander Jansen is longer-tenured than 0%.
9 years vs. Santa Clara University alumni
Years since admission - 71 NY-registered alumni of this school
9 Top 100% higher than 0% of 71 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 · August 2026
Santa Clara University's active-bar rate
Of Santa Clara University's 75 alumni in the New York register, 61.3% 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
- 5517370
- Year Admitted
- 2017 (9 yrs · mid-career)
- Judicial Department
- 3
- Next Registration
- Jan 2027
Location & Contact
- Company
- Fenwick & West LLP
- City
- New York, NY
- County
- New York
- ZIP Code
- 10010
- Phone
- (650) 269-5436
Education
Status Distribution Across the New York Bar
Mark Alexander Jansen'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: Fenwick & West LLP
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Santa Clara University 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 New York, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Mark Alexander Jansen: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~93,609 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.
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Compare attorneys →Before you rely on this record
Mark Alexander Jansen'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 Mark Jansen licensed?
Mark Jansen is licensed to practice law in New York.
When was Mark Alexander Jansen admitted to the bar?
Mark Alexander Jansen has been on the New York bar register since 2017.
Where did Mark Alexander Jansen go to law school?
Mark Alexander Jansen attended SANTA CLARA UNIVERSITY.
What company does Mark Alexander Jansen work for?
Mark Alexander Jansen is associated with Fenwick & West LLP in New York, NY.
Is Mark Alexander Jansen in good standing?
Yes, Mark Alexander Jansen 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.