[bromanchik]

One of the things to remember here is that while you feel like you had an open adoption, he did not. While you had information on him, knew him, he does not consciously know you. It may have well been a closed adoption in his mind. Given all that, I think he might need some time.

You said:
" And we had all agreed way back in the beginning to let Jason decide for himself whether or not he wanted to get in touch with me."

This is a huge decision to place on a child. When did he decide not to have contact with you?