Official NY OCA attorney registration data · Updated 2026 Methodology Discipline records

John George Kalyvas

Currently registered

John George Kalyvas is an attorney admitted to the New York State Bar in 1998, with a registered practice address in New York, New York. According to the New York Office of Court Administration, the current registration status on record is Currently registered.

Registration number2891661
Bar statusCurrently registered
Year admitted1998
Judicial departmentDepartment 2
Law schoolHarvard
Practice cityNew York, NY
CountyNew York
Firm / organizationWinston & Strawn Llp
Office address200 Park Ave, New York, NY, 10166
Phone(212) 294-4757
Next registration dueMar 2028

About Winston & Strawn LLP

Winston & Strawn LLP is an American multinational law firm headquartered in Chicago, Illinois. Founded in 1853, it is one of the largest and oldest law firms in Chicago. The firm's own location page says it operates 16 offices in North America, South America, Asia, and Europe. It is known for its litigation and transactional practices across a variety of fields.

Practice areas of Winston & Strawn LLP:

Criminal Defense Intellectual Property Landlord-Tenant Energy & Infrastructure Environmental Health Care Tax Bankruptcy & Restructuring

These are the practice areas the organization describes on its website. They are not a statement about John George Kalyvas’s own practice or any specialty certification.

View the Winston & Strawn LLP profile and its 126 registered attorneys →

Office location

Registered office address on file with the New York State Bar. Verify before visiting, as the address reflects the contact on record and may be a firm rather than a personal office.

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Bar status can change at any time. For the authoritative, real-time status of John George Kalyvas, confirm directly through the official New York Attorney Search using the registration number above. This record is republished from public New York State data and is provided for reference only — it is not legal advice and not an endorsement.

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