If it was bought from an approved supplier it would be genuine. The fact that you asked this points to the fact that you used a dodgy source and therefor it is deemed as fake (even grey imports of certain products are deemed fake because it didn't originate from the correct supply chain)
You...
You need to provide photographic evidence of your defective bumper so that the forum can decide what has caused the breakage (abuse or substandard manufacturing)
:s if you purchased them from an approved Apple importer then they are real. If you ordered them from some obscure source they are knock off's (original parts would presumably also come with some form of warranty no?)
3Gee clearly you owe this man postage and packaging.
Riazbapoo you need to...