New York attorney record · Judicial Dept 1
Siegfried Paul Knopf
Columbia alumna, admitted to the New York bar in 1983, registered office in New York, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1983
- Admitted
- 43
- Years in bar
- 1874007
- NY reg #
The record in one line
Siegfried Paul Knopf has spent 43 years on the register since admission in 1983, one of the longest-standing active practitioners the state bar carries at 86% tenure percentile.
- 43 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #7174 of 93,608
- by tenure in New York office peers
- Law school
- Columbia
Data updated August 2026
What this profile tells you
Bar status & tenure
Siegfried Paul Knopf has carried New York bar registration 1874007 for the better part of a career, still active and 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 Sidley Austin LLP, located in New York, NY (New York County), ZIP 10019. 5 other attorneys share this firm affiliation in the registry. Educational background: COLUMBIA (5,663 registered alumni).
State context & due diligence
Across a career spanning 43 years, Siegfried Paul Knopf has remained part of the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
Siegfried Paul Knopf's 43 years since a 1983 admission places this record near the far edge of the statewide tenure curve below.
43 years on the New York bar
Years since admission, all currently-active NY attorneys
43 Top 14% higher than 86% 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
Siegfried Paul Knopf is earlier in the New York, NY office cohort than most peers: local tenure rank #7,174 of 93,608 (8th percentile). See the New York attorney directory .
- Local rank
- #7,174
- City cohort
- 93,608
- Local percentile
- 8th
- Admitted
- 1983
Nearest tenure peers in New York
- Camille Marie Abate admitted 1983 · 43 yr
- Rolando Tomas Acosta admitted 1983 · 43 yr
- Arthur S. Adler admitted 1983 · 43 yr
- Clifford Robin Adler admitted 1983 · 43 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 Siegfried compares to fellow Columbia alumni
Among the 2,473 Columbia graduates in the New York register, Siegfried Paul Knopf is longer-tenured than 99%.
43 years vs. Columbia alumni
Years since admission - 2,473 NY-registered alumni of this school
43 Top 1% higher than 99% of 2,473 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
The 1983 admission class today
Of the 5,424 attorneys admitted to the New York bar in 1983, 67.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1874007
- Year Admitted
- 1983 (43 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Oct 2027
Location & Contact
- Company
- Sidley Austin LLP
- City
- New York, NY
- County
- New York
- ZIP Code
- 10019
- Phone
- (212) 839-5334
Education
Status Distribution Across the New York Bar
Siegfried Paul Knopf'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.
Other Attorneys at Sidley Austin LLP
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Siegfried Paul Knopf'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 Siegfried Knopf licensed?
Siegfried Knopf is licensed to practice law in New York.
When was Siegfried Paul Knopf admitted to the bar?
Siegfried Paul Knopf's admission to the New York bar dates back to 1983.
Where did Siegfried Paul Knopf go to law school?
Siegfried Paul Knopf attended COLUMBIA.
What company does Siegfried Paul Knopf work for?
Siegfried Paul Knopf is associated with Sidley Austin LLP in New York, NY.
Is Siegfried Paul Knopf in good standing?
Yes, Siegfried Paul Knopf 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.