New York attorney record · Judicial Dept 1
Nathan William Giesselman
Columbia Law School alumna, admitted to the New York bar in 2007, registered office in Palo Alto, CA. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2007
- Admitted
- 19
- Years in bar
- 4467809
- NY reg #
The record in one line
Nathan William Giesselman has held an active New York bar license for 19 years - admitted in 2007, longer-tenured than 38% of the state's currently-active attorneys.
- 19 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #170 of 384
- by tenure in Palo Alto office peers
- Law school
- Columbia Law School
Data updated September 2026
What this profile tells you
Bar status & tenure
Nathan William Giesselman carries New York bar registration 4467809, an established, active practitioner in good standing. Registration is recorded within Judicial Department 1, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Skadden, Arps, Slate, Meagher & Flom, LLP, located in Palo Alto, CA, ZIP 94301. 5 other attorneys share this firm affiliation in the registry. Educational background: Columbia Law School (21,682 registered alumni).
State context & due diligence
With an established practice on record, Nathan William Giesselman 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
Nathan William Giesselman was admitted in 2007, giving 19 years on the New York register.
19 years on the New York bar
Years since admission, all currently-active NY attorneys
19 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 · September 2026
Tenure among Palo Alto, CA office peers
Relative to the 384 NY-registered attorneys listing Palo Alto, CA, Nathan William Giesselman is longer-tenured than 44% (local rank #170). See the Palo Alto attorney directory .
- Local rank
- #170
- City cohort
- 384
- Local percentile
- 44th
- Admitted
- 2007
Nearest tenure peers in Palo Alto
- Melinda Chow Alankar admitted 2007 · 19 yr
- Eric Levine admitted 2007 · 19 yr
- Stephanie Mazepa admitted 2007 · 19 yr
- Michael Jay Perl admitted 2007 · 19 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 Nathan compares to fellow Columbia Law School alumni
Among the 12,124 Columbia Law School graduates in the New York register, Nathan William Giesselman is longer-tenured than 56%.
19 years vs. Columbia Law School alumni
Years since admission - 12,124 NY-registered alumni of this school
19 Top 44% higher than 56% of 12,124 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
Columbia Law School's active-bar rate
Of Columbia Law School's 21,682 alumni in the New York register, 65.6% currently hold "Currently registered" status, below the statewide average.
The 2007 admission class today
Of the 8,913 attorneys admitted to the New York bar in 2007, 87.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4467809
- Year Admitted
- 2007 (19 yrs · senior)
- Judicial Department
- 1
- Next Registration
- Jun 2027
Location & Contact
- Company
- Skadden, Arps, Slate, Meagher & Flom, LLP
- City
- Palo Alto, CA
- ZIP Code
- 94301
- Phone
- (650) 470-3182
Education
Status Distribution Across the New York Bar
Nathan William Giesselman'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: Skadden, Arps, Slate, Meagher & Flom, LLP
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Columbia Law School alumni
Fellow alumni on the NY register whose admission year is closest to 2007 (excluding same-firm colleagues above).
Same admission year (2007), other cities
NY-registered attorneys admitted in 2007 whose listed office city differs from Palo Alto, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Nathan William Giesselman: closest NY bar admission year outside CA, and closest out-of-state office cities by how many NY-registered attorneys they list (~385 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2007)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
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Compare attorneys →Before you rely on this record
Nathan William Giesselman'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 Nathan Giesselman licensed?
Nathan Giesselman is licensed to practice law in New York.
When was Nathan William Giesselman admitted to the bar?
Nathan William Giesselman was admitted to the bar in 2007.
Where did Nathan William Giesselman go to law school?
Nathan William Giesselman attended Columbia Law School.
What company does Nathan William Giesselman work for?
Nathan William Giesselman is associated with Skadden, Arps, Slate, Meagher & Flom, LLP in Palo Alto, CA.
Is Nathan William Giesselman in good standing?
Yes, Nathan William Giesselman 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.