Vivien Chen Nielsen
as of 6/18/2026 7:33:17 AM
Vivien Chen Nielsen
Astellas US LLC
2375 Waterview Drive
Northbrook, Illinois 60062-6145
(847) 224-5175
Not available
Date Admitted
May 05, 2011
Illinois Registration Status
Active and authorized to practice law
Malpractice Insurance
In annual registration, the attorney reported that the attorney, or the attorney’s firm, maintains malpractice insurance.