Anavex Life Sciences Corp (AVXL)

[Robot14]

Power,
It is a patent filing, has not been issued yet.

Filing date is important from a legal inventor standpoint as well as begins the period for when the patent (IF issued) expires.
Basically the patent office accepted the filing without finding any obvious causes for rejection. Prior art will then be searched for applicability & novelty to become an issued patent.
Not too dis-similiar to submitting a drug application & a regulatory body accepting it and later hopefully granting approval.