The assignment document filed on [1] is not acceptable as the documentary evidence required by 37 CFR 3.73 . The submission of the documentary evidence was not accompanied by a statement affirming that the documentary evidence of the chain of title from the original owner to the assignee was, or concurrently is being, submitted for recordation pursuant to 37 CFR 3.11 . See 37 CFR 3.11 and MPEP § 302 .