New York attorney record · Judicial Dept 3
Orion Mountainspring
Duke Law School alumna, admitted to the New York bar in 2007, registered office in New York, NY. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2007
- Admitted
- 19
- Years in bar
- 4490959
- NY reg #
The record in one line
Orion Mountainspring 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"
- #40903 of 93,608
- by tenure in New York office peers
- Law school
- Duke Law School
Data updated August 2026
What this profile tells you
Bar status & tenure
Orion Mountainspring carries New York bar registration 4490959, an established, active practitioner in 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 Orrick, Herrington & Sutcliffe LLP, located in New York, NY (New York County), ZIP 10019. 5 other attorneys share this firm affiliation in the registry. Educational background: DUKE LAW SCHOOL (213 registered alumni).
State context & due diligence
With an established practice on record, Orion Mountainspring 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
Orion Mountainspring 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 · August 2026
Tenure among New York, NY office peers
Orion Mountainspring's 19-year NY register tenure places mid-pack in New York, NY: rank #40,903 of 93,608 office peers (44th percentile). See the New York attorney directory .
- Local rank
- #40,903
- City cohort
- 93,608
- Local percentile
- 44th
- Admitted
- 2007
Nearest tenure peers in New York
- Erwin Kyle Inigo Abalos admitted 2007 · 19 yr
- Shahreen Ara Abedin admitted 2007 · 19 yr
- Kenneth M. Abell admitted 2007 · 19 yr
- Mark Darryl Ableman 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 August 2026. Derived local rank, not published upstream.
How Orion compares to fellow Duke Law School alumni
Among the 178 Duke Law School graduates in the New York register, Orion Mountainspring is longer-tenured than 38%.
19 years vs. Duke Law School alumni
Years since admission - 178 NY-registered alumni of this school
19 Top 62% higher than 38% of 178 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
Duke Law School's active-bar rate
Of Duke Law School's 213 alumni in the New York register, 65.3% 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
- 4490959
- Year Admitted
- 2007 (19 yrs · senior)
- Judicial Department
- 3
- Next Registration
- Mar 2027
Location & Contact
- Company
- Orrick, Herrington & Sutcliffe LLP
- City
- New York, NY
- County
- New York
- ZIP Code
- 10019
- Phone
- (212) 506-5017
Education
Status Distribution Across the New York Bar
Orion Mountainspring'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: Orrick, Herrington & Sutcliffe LLP
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Duke 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 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 Orion Mountainspring: 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 (~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
Verify on NY Courts Attorney SearchNearby Attorneys in New York, NY
Compare credentials side-by-side
Compare Orion Mountainspring with similar attorneys in New York.
Compare attorneys →Before you rely on this record
Orion Mountainspring'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 Orion Mountainspring licensed?
Orion Mountainspring is licensed to practice law in New York.
When was Orion Mountainspring admitted to the bar?
Orion Mountainspring was admitted to the bar in 2007.
Where did Orion Mountainspring go to law school?
Orion Mountainspring attended DUKE LAW SCHOOL.
What company does Orion Mountainspring work for?
Orion Mountainspring is associated with Orrick, Herrington & Sutcliffe LLP in New York, NY.
Is Orion Mountainspring in good standing?
Yes, Orion Mountainspring 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.