Moderator
t-p
(@t-p)
Theme review team can be reached via the #themereview channel on Slack.
As for the point about copyrights, here are the two resources used to determine how they should be handled:
The requirements field reviewers follow in their handbook: https://make.wordpress.org/themes/handbook/review/required/#licensing
A writeup on how copyrights should be declared and used https://make.wordpress.org/themes/2014/07/08/proper-copyrightlicense-attribution-for-themes/