Please let us know if you end up receiving the notes and how long after filing the complaint did you receive it.Its been over 2 months for me too. You can legally file a complaint with the Office of the Information Commissioner of Canada if you do not hear back in 60 days from the ATIP email confirmation. I filed a complaint a couple of days ago; lets see if that helps....
https://www.oic-ci.gc.ca/en/submitting-complaint