New York attorney record · Judicial Dept 1
Thomas Karl Sylvester
Yale Law School alumna, admitted to the New York bar in 2007, registered office in Las Vegas, NV. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2007
- Admitted
- 19
- Years in bar
- 4507984
- NY reg #
The record in one line
Thomas Karl Sylvester 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"
- #179 of 305
- by tenure in Las Vegas office peers
- Law school
- Yale Law School
Data updated September 2026
What this profile tells you
Bar status & tenure
Thomas Karl Sylvester carries New York bar registration 4507984, an established, active practitioner 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 Hedera Hashgraph, LLC, located in Las Vegas, NV, ZIP 89135. Educational background: Yale Law School (5,917 registered alumni).
State context & due diligence
With an established practice on record, Thomas Karl Sylvester 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
Thomas Karl Sylvester 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 · September 2026
Tenure among Las Vegas, NV office peers
Relative to the 305 NY-registered attorneys listing Las Vegas, NV, Thomas Karl Sylvester is longer-tenured than 58% (local rank #179). See the Las Vegas attorney directory .
- Local rank
- #179
- City cohort
- 305
- Local percentile
- 58th
- Admitted
- 2007
Nearest tenure peers in Las Vegas
- Christiana Onyinye Ebem admitted 2007 · 19 yr
- Catherine Ann Kabadian admitted 2007 · 19 yr
- David Joseph Kaplan admitted 2007 · 19 yr
- Quyen Vu Ha Luu 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 September 2026. Derived local rank, not published upstream.
How Thomas compares to fellow Yale Law School alumni
Among the 2,941 Yale Law School graduates in the New York register, Thomas Karl Sylvester is longer-tenured than 54%.
19 years vs. Yale Law School alumni
Years since admission - 2,941 NY-registered alumni of this school
19 Top 46% higher than 54% of 2,941 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
Yale Law School's active-bar rate
Of Yale Law School's 5,917 alumni in the New York register, 62.3% 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
- 4507984
- Year Admitted
- 2007 (19 yrs · senior)
- Judicial Department
- 1
- Next Registration
- Sep 2027
Location & Contact
- Company
- Hedera Hashgraph, LLC
- City
- Las Vegas, NV
- ZIP Code
- 89135
- Phone
- (646) 355-8665
Education
Status Distribution Across the New York Bar
Thomas Karl Sylvester'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.
Near-tenure Yale 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 Las Vegas, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Thomas Karl Sylvester: closest NY bar admission year outside NV, and closest out-of-state office cities by how many NY-registered attorneys they list (~306 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
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Compare attorneys →Before you rely on this record
Thomas Karl Sylvester'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 Thomas Sylvester licensed?
Thomas Sylvester is licensed to practice law in New York.
When was Thomas Karl Sylvester admitted to the bar?
Thomas Karl Sylvester was admitted to the bar in 2007.
Where did Thomas Karl Sylvester go to law school?
Thomas Karl Sylvester attended Yale Law School.
What company does Thomas Karl Sylvester work for?
Thomas Karl Sylvester is associated with Hedera Hashgraph, LLC in Las Vegas, NV.
Is Thomas Karl Sylvester in good standing?
Yes, Thomas Karl Sylvester 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.