H1B extension denied, having old company valid I797 and I94, can i go back and use that?

Co. XX H-1B may still be valid if they haven't withdrawn it. You cannot start working for them immediately, since you are now out of status. You...

COS from H1B to F2 or F1?

If you can show that you were in status until very recently, CIS might approve a change to F-1 or F-2. Your wife also needs to show that she...

Moving from L1-H1

You must wait for the H-1B approval. You could only change jobs based on a receipt if you were already holding H-1B status.

Can our 12 year old child attend public school while we are in the US on a B1 visa?

It is not permissible to study in B status, unless it is a casual class such as language, or crafts. Your son would need to get F-1 status, if...

Can an american citizen get married to an israeli passport holder, who lives in Canada but doesn't have a Visa on his passport?

The answer is the same whether your boyfriend lives in Canada, Israel, or any other country outside the US. You can either petition for him to get...

Would a managerial position qualify in the Management Consultant category for the TN1 visa?

Probably not, unless the position really is a consultant. If you are filling an empty position, or replacing a full-time employee, you would not...

Visitor visa from other country

You will probably be given a maximum of 6 months to stay in the US on each visit using a B visa. The CBP officers have wide discretion on length...

If I am employed under H2B or E3 would I be able to look for and apply for other work in the US whilst under either option?

There really is not enough information in your question to give an answer. We need to know your nationality, occupation, the job offer, your...

You can just list "L-2" as your current status, assuming you have maintained L-2 status

Can a I-140 petetion waiting for his priority date to be current apply for H1-B VISA (working permit) to USCIS?

CIS could certainly approve the H-1B petition for a new employer. Having an approved I-140 is not inconsistent with having H-1B status. However,...