Do I have to submit a copy of his passport now? Also the country of the priority date,is it the country oh his birth certificate

You only need his birth certificate to file a visa petition. Country of birth controls visa quota, with limited exceptions.

How do I answer to Part 11 "additional Information" #23, #28, #33, #34, #35 ? What do I need to send with this application?

You are seeking specific legal advise pertinent to your case, which is more appropriate for an individual consultation with an attorney.

B1 to L1 B VISA COS Stay and impacts

You have to wait for the COS result before making further moves. Consult with an attorney.

Can Company B file this 1 year extension based on pending I 140 and perm 365 days old with company A

It is probably not the best time to switch employers, especially since the previous I-140 was denied for unspecified reasons.

What kind a permit do I need from my girlfriend kits father to bring my girlfriend kits to usa

At best, the future father-in-law could apply for a B-2 visitor visa for this purpose.

What are our chances of being denied to overstay and without having i94s?

Canadians are generally not issued I-94s as visitors. Consult with an attorney.

What's the chances of getting a visa under CR-1 when a j-1 was overstayed?

At this point, it would be best to consult with an attorney to investigate the reasons for this delay and provide solutions.

Seek a second opinion from another estate planning/trust and wills attorney.

1. Do all cases transferred get interviews? 2. how long do cases sit in the local USCIS office (on an average)?

Not all cases get scheduled fro interviews and many employment-based applications do not require interview.

I-485 Application

If the question is referring specifically to 2010 admission date, use the original I-94 number. This will all be sorted out at the interview anyway.