it was obviously sent to you in confidence whether they expressed it or not
there are usually 2 types of business people 1. very good craftsmen 2. great business minds
not everyone has both skills and it's not fair to steal their intellectual property
the geometry listed below doesn't specifically say it is a copyright but I'll guarantee if I had this frame built and Giant knew they'd be pissed
http://giant-bicycles.com/en-US/bike...bo/3871/41916/