New York attorney record · Judicial Dept 1
Robert T. Langdon
St John'S School Of Law alumna, admitted to the New York bar in 2001, registered office in Palo Alto, CA. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 2001
- Admitted
- 25
- Years in bar
- 3962164
- NY reg #
The record in one line
With 25 years on the register since a 2001 admission, Robert T. Langdon ranks among the New York bar's most senior active practitioners, longer-tenured than 61% of the currently-active bar.
- 25 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 39%
- by tenure among active NY attorneys
- Law school
- St John'S School Of Law
Data updated May 2026
What this profile tells you
Bar status & tenure
Registration 3962164 with the New York bar authority has long belonged to Robert T. Langdon, a veteran practitioner still in active 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 Simpson Thacher & Bartlett LLP, located in Palo Alto, CA, ZIP 94304. 5 other attorneys share this firm affiliation in the registry. Educational background: ST JOHN'S SCHOOL OF LAW.
State context & due diligence
After 25 years on the register, Robert T. Langdon still falls within the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
Few active New York attorneys match Robert T. Langdon's 25 years since admission in 2001. The histogram plots that tenure against every currently-active attorney in the state.
25 years on the New York bar
Years since admission, all currently-active NY attorneys
25 Top 39% higher than 61% of 284,296 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 · May 2026
The 2001 admission class today
Of the 7,416 attorneys admitted to the New York bar in 2001, 80% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 3962164
- Year Admitted
- 2001 (25 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Aug 2027
Location & Contact
- Company
- Simpson Thacher & Bartlett LLP
- City
- Palo Alto, CA
- ZIP Code
- 94304
- Phone
- (650) 251-5040
Education
ST JOHN'S SCHOOL OF LAW
Status Distribution Across the New York Bar
Robert T. Langdon's current status, "Currently registered", places this attorney in the 66.2% of the 429,620-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.
Other Attorneys at Simpson Thacher & Bartlett LLP
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Compare attorneys →Before you rely on this record
Robert T. Langdon'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 Robert Langdon licensed?
Robert Langdon is licensed to practice law in New York.
When was Robert T. Langdon admitted to the bar?
Robert T. Langdon's admission to the New York bar dates back to 2001.
Where did Robert T. Langdon go to law school?
Robert T. Langdon attended ST JOHN'S SCHOOL OF LAW.
What company does Robert T. Langdon work for?
Robert T. Langdon is associated with Simpson Thacher & Bartlett LLP in Palo Alto, CA.
Is Robert T. Langdon in good standing?
Yes, Robert T. Langdon holds active bar status ("Currently registered").
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.