New York attorney record · Judicial Dept 3
Walter Pattison Deforest Iii
Harvard Law School alumna, admitted to the New York bar in 2014, registered office in Pittsburgh, PA. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2014
- Admitted
- 12
- Years in bar
- 5242144
- NY reg #
The record in one line
Admitted in 2014, Walter Pattison Deforest Iii has built 12 years of active New York practice - more tenure than 25% of the state's currently-active attorneys.
- 12 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #252 of 366
- by tenure in Pittsburgh office peers
- Law school
- Harvard Law School
Data updated September 2026
What this profile tells you
Bar status & tenure
Bar number 5242144 on the New York register belongs to Walter Pattison Deforest Iii, 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 Deforest Koscelnik & Berardinelli, located in Pittsburgh, PA, ZIP 15219. 1 other attorney shares this firm affiliation in the registry. Educational background: Harvard Law School (16,712 registered alumni).
State context & due diligence
Walter Pattison Deforest Iii 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
12 years into an active New York practice since a 2014 admission, Walter Pattison Deforest Iii sits here on the statewide experience curve - taller bars hold more attorneys at that experience level.
12 years on the New York bar
Years since admission, all currently-active NY attorneys
12 Top 75% higher than 25% 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 Pittsburgh, PA office peers
Relative to the 366 NY-registered attorneys listing Pittsburgh, PA, Walter Pattison Deforest Iii is longer-tenured than 69% (local rank #252). See the Pittsburgh attorney directory .
- Local rank
- #252
- City cohort
- 366
- Local percentile
- 69th
- Admitted
- 2014
Nearest tenure peers in Pittsburgh
- Courtney Lynn Gordon admitted 2014 · 12 yr
- Lucy E. Hill admitted 2014 · 12 yr
- Aleksandra Marta Jurewicz admitted 2014 · 12 yr
- Salene Rae Mazur Kraemer admitted 2014 · 12 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 Walter compares to fellow Harvard Law School alumni
Among the 8,724 Harvard Law School graduates in the New York register, Walter Pattison Deforest Iii is longer-tenured than 35%.
12 years vs. Harvard Law School alumni
Years since admission - 8,724 NY-registered alumni of this school
12 Top 65% higher than 35% of 8,724 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
Harvard Law School's active-bar rate
Of Harvard Law School's 16,712 alumni in the New York register, 63.6% currently hold "Currently registered" status, below the statewide average.
The 2014 admission class today
Of the 10,747 attorneys admitted to the New York bar in 2014, 71.5% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 5242144
- Year Admitted
- 2014 (12 yrs · mid-career)
- Judicial Department
- 3
- Next Registration
- Dec 2026
Location & Contact
- Company
- Deforest Koscelnik & Berardinelli
- City
- Pittsburgh, PA
- ZIP Code
- 15219
- Phone
- (412) 227-3101
Education
Status Distribution Across the New York Bar
Walter Pattison Deforest Iii'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: Deforest Koscelnik & Berardinelli
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
View all attorneys at this firm →Near-tenure Harvard Law School alumni
Fellow alumni on the NY register whose admission year is closest to 2014 (excluding same-firm colleagues above).
Same admission year (2014), other cities
NY-registered attorneys admitted in 2014 whose listed office city differs from Pittsburgh, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Walter Pattison Deforest Iii: closest NY bar admission year outside PA, and closest out-of-state office cities by how many NY-registered attorneys they list (~367 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2014)
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 Pittsburgh, PA
Compare credentials side-by-side
Compare Walter Pattison Deforest Iii with similar attorneys in Pittsburgh.
Compare attorneys →Before you rely on this record
Walter Pattison Deforest Iii'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 Walter Deforest licensed?
Walter Deforest is licensed to practice law in New York.
When was Walter Pattison Deforest Iii admitted to the bar?
Walter Pattison Deforest Iii has been on the New York bar register since 2014.
Where did Walter Pattison Deforest Iii go to law school?
Walter Pattison Deforest Iii attended Harvard Law School.
What company does Walter Pattison Deforest Iii work for?
Walter Pattison Deforest Iii is associated with Deforest Koscelnik & Berardinelli in Pittsburgh, PA.
Is Walter Pattison Deforest Iii in good standing?
Yes, Walter Pattison Deforest Iii 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.