New York attorney record · Judicial Dept 3
Madelyn Demsky Zeylikman
University Of California Berkeley School Of Law alumna, admitted to the New York bar in 2004, registered office in Waltham, MA. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2004
- Admitted
- 22
- Years in bar
- 4197430
- NY reg #
The record in one line
Madelyn Demsky Zeylikman appears in the New York attorney register with a current status of "Due to reregister within 30 days of birthday", on record since 2004 - an administrative designation rather than discipline, but confirm current standing with the state bar.
- 22 yrs
- since first admission to the bar
- Pending-renewal
- current bar status: "Due to reregister within 30 days of birthday"
- Law school
- University Of California Berkeley School Of Law
Data updated May 2026
What this profile tells you
Bar status & tenure
Madelyn Demsky Zeylikman is registered as bar number 4197430 with the New York bar authority, carrying a current status of "Due to reregister within 30 days of birthday", a routine periodic-renewal reminder, not discipline. Registration is recorded within Judicial Department 3, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Korsana Biosciences, located in Waltham, MA, ZIP 02453. Educational background: University of California Berkeley School of Law.
State context & due diligence
A "Due to reregister within 30 days of birthday" status falls outside the New York bar's active cohort for now. The breakdown below shows what share of the register that represents.
How Madelyn compares to fellow University Of California Berkeley School Of Law alumni
Among the 1,171 University Of California Berkeley School Of Law graduates in the New York register, Madelyn Demsky Zeylikman is longer-tenured than 90% - a school-cohort view of experience, alongside the statewide one above.
22 years vs. University Of California Berkeley School Of Law alumni
Years since admission - 1,171 NY-registered alumni of this school
22 Top 10% higher than 90% of 1,171 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
The 2004 admission class today
Of the 8,407 attorneys admitted to the New York bar in 2004, 65.8% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Due to reregister within 30 days of birthday
- Registration Number
- 4197430
- Year Admitted
- 2004 (22 yrs · senior)
- Judicial Department
- 3
- Next Registration
- May 2026
Location & Contact
- Company
- Korsana Biosciences
- City
- Waltham, MA
- ZIP Code
- 02453
- Phone
- (781) 516-2325
Education
University of California Berkeley School of Law
Status Distribution Across the New York Bar
Madelyn Demsky Zeylikman's current status, "Due to reregister within 30 days of birthday", places this record outside 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.
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Madelyn Demsky Zeylikman is currently listed as "Due to reregister within 30 days of birthday", treat that as a registration fact to confirm, not a verdict on quality.
Frequently Asked Questions
Where is Madelyn Zeylikman licensed?
Madelyn Zeylikman is licensed to practice law in New York.
When was Madelyn Demsky Zeylikman admitted to the bar?
Madelyn Demsky Zeylikman was admitted to the bar in 2004.
Where did Madelyn Demsky Zeylikman go to law school?
Madelyn Demsky Zeylikman attended University of California Berkeley School of Law.
What company does Madelyn Demsky Zeylikman work for?
Madelyn Demsky Zeylikman is associated with Korsana Biosciences in Waltham, MA.
Is Madelyn Demsky Zeylikman in good standing?
Not currently, Madelyn Demsky Zeylikman's listed status is "Due to reregister within 30 days of birthday", not active standing. Confirm current status with the state bar.
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.