New York attorney record · Judicial Dept 2
Cassandre Marie Plantin
American University alumna, admitted to the New York bar in 2016, registered office in Garden City, NY. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2016
- Admitted
- 10
- Years in bar
- 5405113
- NY reg #
The record in one line
Admitted in 2016, Cassandre Marie Plantin has built 10 years of active New York practice - more tenure than 24% of the state's currently-active attorneys.
- 10 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 76%
- by tenure among active NY attorneys
- Law school
- American University
Data updated May 2026
What this profile tells you
Bar status & tenure
Bar number 5405113 on the New York register belongs to Cassandre Marie Plantin, currently in active standing. Registration is recorded within Judicial Department 2, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Law Offices Of Seidner & Associates, PC, located in Garden City, NY (Nassau County), ZIP 11530. 1 other attorney shares this firm affiliation in the registry. Educational background: AMERICAN UNIVERSITY (879 registered alumni).
State context & due diligence
Cassandre Marie Plantin 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
10 years into an active New York practice since a 2016 admission, Cassandre Marie Plantin sits here on the statewide experience curve - taller bars hold more attorneys at that experience level.
10 years on the New York bar
Years since admission, all currently-active NY attorneys
10 Top 76% higher than 24% 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
How Cassandre compares to fellow American University alumni
Among the 646 American University graduates in the New York register, Cassandre Marie Plantin is longer-tenured than 4% - a school-cohort view of experience, alongside the statewide one above.
10 years vs. American University alumni
Years since admission - 646 NY-registered alumni of this school
10 Top 96% higher than 4% of 646 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 · May 2026
American University's active-bar rate
Of American University's 879 alumni in the New York register, 68% currently hold "Currently registered" status, above the statewide average.
American University alumni, active-bar rate
The 2016 admission class today
Of the 8,420 attorneys admitted to the New York bar in 2016, 72.1% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 5405113
- Year Admitted
- 2016 (10 yrs · mid-career)
- Judicial Department
- 2
- Next Registration
- Nov 2026
Location & Contact
- Company
- Law Offices Of Seidner & Associates, PC
- City
- Garden City, NY
- County
- Nassau
- ZIP Code
- 11530
- Phone
- (516) 345-9900
Education
Status Distribution Across the New York Bar
Cassandre Marie Plantin'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 Law Offices Of Seidner & Associates, PC
View all attorneys at this firm →Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Garden City, NY
Compare credentials side-by-side
Compare Cassandre Marie Plantin with similar attorneys in Garden City.
Compare attorneys →Before you rely on this record
Cassandre Marie Plantin'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 Cassandre Plantin licensed?
Cassandre Plantin is licensed to practice law in New York.
When was Cassandre Marie Plantin admitted to the bar?
Cassandre Marie Plantin has been on the New York bar register since 2016.
Where did Cassandre Marie Plantin go to law school?
Cassandre Marie Plantin attended AMERICAN UNIVERSITY.
What company does Cassandre Marie Plantin work for?
Cassandre Marie Plantin is associated with Law Offices Of Seidner & Associates, PC in Garden City, NY.
Is Cassandre Marie Plantin in good standing?
Yes, Cassandre Marie Plantin 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.