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

Cassondra Leigh Koven

Currently registered

Cassondra Leigh Koven is an attorney admitted to the New York State Bar in 2021, with a registered practice address in Buffalo, New York. According to the New York Office of Court Administration, the current registration status on record is Currently registered.

Registration number5876370
Bar statusCurrently registered
Year admitted2021
Judicial departmentDepartment 3
Law schoolAmerican University Washington D.c. College of Law
Practice cityBuffalo, NY
CountyErie
Firm / organizationInternal Revenue Service Office Of Chief Counsel
Office address300 Pearl St Ste 430, Buffalo, NY, 14202
Phone(202) 598-5430
Next registration dueOct 2027

About Internal Revenue Service, Office of Chief Counsel

The Office of Chief Counsel is the legal division of the Internal Revenue Service, a government agency within the U.S. Department of the Treasury. The Chief Counsel is a presidential appointee confirmed by the Senate and serves as the principal legal adviser to the IRS Commissioner on the Internal Revenue Code and related legal questions. Beyond advising the agency, the office also issues interpretive advice that reaches taxpayers and Treasury.

Practice areas of Internal Revenue Service, Office of Chief Counsel:

Tax Government & Regulatory Employment & Labor

These are the practice areas the organization describes on its website. They are not a statement about Cassondra Leigh Koven’s own practice or any specialty certification.

View the Internal Revenue Service, Office of Chief Counsel profile and its 7 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.

Verify this record

Bar status can change at any time. For the authoritative, real-time status of Cassondra Leigh Koven, 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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