Commencement address is the address, whom and where it is defined to. It could be a person or a place.
Explanation:
No.1. The address at Stanford supported the purpose of commencement of the claim.
No.2 Address can be defined as the said person and the mentioned place or destination.
No.3 As far the text is concerned, the address is well defined as per the circumstances that supported the claim and the very purpose of mentioning.