Astellas US LLC

5 registered patent practitioners: 3 patent attorneys and 2 patent agents, Northbrook, IL.

• Vivien Chen Nielsen — Patent attorney, Reg. No. 62514, Astellas US LLC
• James J. Sales — Patent attorney, Reg. No. 33773, Astellas US LLC
• Chika Sakamoto Seidel — Patent attorney, Reg. No. 65400, Astellas US LLC
• Alexander A. Stewart — Patent agent, Reg. No. 47110, Astellas US LLC
• Dmitry Tulchinsky — Patent agent, Reg. No. 62502, Astellas US LLC