知识产权的问题

一个朋友跟一个老美一块申请了二个专利，专利已经发表，按美国专利法，已经受到保付，老美现在开了一家公司用这些专利生产产品而未经朋友同意，请问朋友可以起诉老美侵权吗

所有跟帖： 

• 回复：知识产权的问题 -why-why- ♀ (88 bytes) () 09/03/2006 postreply 16:15:53

• where is my friend's right? -chuppie- ♂ (28 bytes) () 09/03/2006 postreply 16:24:45

• 回复：where is my friend's right? -why-why- ♀ (48 bytes) () 09/03/2006 postreply 16:37:22

• 回复：回复：where is my friend's right? -chuppie- ♂ (88 bytes) () 09/03/2006 postreply 17:16:24

• 回复：回复：回复：where is my friend's right? -why-why- ♀ (104 bytes) () 09/03/2006 postreply 18:06:49

• Hi, why-why, can you give a striaght word, clearly not professio -chuppie- ♂ (175 bytes) () 09/03/2006 postreply 18:14:40

• 回复：Hi, why-why, can you give a striaght word, clearly not pro -why-why- ♀ (294 bytes) () 09/03/2006 postreply 19:02:18