How to register a trademark in USA

I wrote a App software for iPhone, just in case anybody else use the same name of my software,I have to register the trademark or App name,but I don't know where I have to register and how to register?anybody have a idea for that?   thank you!

所有跟帖： 

• 回复：How to register a trademark in USA -东土大糖- ♀ (118 bytes) () 02/26/2012 postreply 21:08:35

• 回复：回复：How to register a trademark in USA -gesecurity- ♂ (25 bytes) () 02/27/2012 postreply 06:29:37

• 注册商标是好事 -CyberCat- ♂ (254 bytes) () 02/27/2012 postreply 08:23:52

• 回复：注册商标是好事 -geSECURITY- ♂ (16 bytes) () 02/27/2012 postreply 17:46:15

• 回复：How to register a trademark in USA -apt- ♂ (510 bytes) () 02/27/2012 postreply 10:17:18

• 回复：回复：How to register a trademark in USA -gesecurity- ♂ (147 bytes) () 02/27/2012 postreply 14:00:52

• http://www.uspto.gov/trademarks/process/index.jsp 容易，不贵。 -梦想开花- ♀ (0 bytes) () 02/27/2012 postreply 16:18:36

• 回复：http://www.uspto.gov/trademarks/process/index.jsp 容易，不贵。 -gesecurity- ♂ (29 bytes) () 02/27/2012 postreply 17:45:11