New York attorney record · Judicial Dept 3
William Christopher Koch Iv
Stanford Law School alumna, admitted to the New York bar in 2018, registered office in Boston, MA. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2018
- Admitted
- 8
- Years in bar
- 5593884
- NY reg #
The record in one line
Admitted in 2018, William Christopher Koch Iv has built 8 years of active New York practice - more tenure than 13% of the state's currently-active attorneys.
- 8 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #2317 of 2,912
- by tenure in Boston office peers
- Law school
- Stanford Law School
Data updated September 2026
What this profile tells you
Bar status & tenure
Bar number 5593884 on the New York register belongs to William Christopher Koch Iv, 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 Goodwin Procter LLP, located in Boston, MA, ZIP 02210. 5 other attorneys share this firm affiliation in the registry. Educational background: Stanford Law School (1,500 registered alumni).
State context & due diligence
William Christopher Koch Iv 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
8 years into an active New York practice since a 2018 admission, William Christopher Koch Iv sits here on the statewide experience curve - taller bars hold more attorneys at that experience level.
8 years on the New York bar
Years since admission, all currently-active NY attorneys
8 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, William Christopher Koch Iv ranks #2,317 by tenure, longer-tenured than 80% of that city cohort. See the Boston attorney directory .
- Local rank
- #2,317
- City cohort
- 2,912
- Local percentile
- 80th
- Admitted
- 2018
Nearest tenure peers in Boston
- Zaki Usman Anwar admitted 2018 · 8 yr
- Nicole Anzuoni admitted 2018 · 8 yr
- Doyinsola Oluwafunmilayo Aribo admitted 2018 · 8 yr
- Anne-Raphaelle Aubry admitted 2018 · 8 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 William compares to fellow Stanford Law School alumni
Among the 1,222 Stanford Law School graduates in the New York register, William Christopher Koch Iv is longer-tenured than 26%.
8 years vs. Stanford Law School alumni
Years since admission - 1,222 NY-registered alumni of this school
8 Top 74% higher than 26% of 1,222 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
Stanford Law School's active-bar rate
Of Stanford Law School's 1,500 alumni in the New York register, 81.6% currently hold "Currently registered" status, above the statewide average.
The 2018 admission class today
Of the 8,750 attorneys admitted to the New York bar in 2018, 73.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 5593884
- Year Admitted
- 2018 (8 yrs · mid-career)
- Judicial Department
- 3
- Next Registration
- May 2028
Location & Contact
- Company
- Goodwin Procter LLP
- City
- Boston, MA
- ZIP Code
- 02210
- Phone
- (617) 570-1002
Education
Status Distribution Across the New York Bar
William Christopher Koch Iv'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: Goodwin Procter LLP
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Stanford Law School alumni
Fellow alumni on the NY register whose admission year is closest to 2018 (excluding same-firm colleagues above).
Same admission year (2018), other cities
NY-registered attorneys admitted in 2018 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 William Christopher Koch Iv: 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 (~2018)
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
Compare credentials side-by-side
Compare William Christopher Koch Iv with similar attorneys in Boston.
Compare attorneys →Before you rely on this record
William Christopher Koch Iv'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 William Koch licensed?
William Koch is licensed to practice law in New York.
When was William Christopher Koch Iv admitted to the bar?
William Christopher Koch Iv has been on the New York bar register since 2018.
Where did William Christopher Koch Iv go to law school?
William Christopher Koch Iv attended Stanford Law School.
What company does William Christopher Koch Iv work for?
William Christopher Koch Iv is associated with Goodwin Procter LLP in Boston, MA.
Is William Christopher Koch Iv in good standing?
Yes, William Christopher Koch Iv 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.