I'm currently in the US on a B1-B2 and looking for employment to get on the E3. Can I go to Canada to change my visa status?

If you are an Australian Citizen and otherwise qualify for an E-3 and change of status, it would be possible. Consult with an attorney to discuss...

I Applied for i-485 and provided a joint sponsor but got the RFE regarding to it

Read the RFE carefully and respond by addressing each and every item raised.

Your employment should commence as soon after October 1 2014 as possible to avoid any lapse in status.

Marriage certificate for NVC (I-130 for Spouse)

As long as the marriage certificate is an original or certified copy issued by the appropriate authority, you should have no issues with the NVC.

I am in USA on H1B Visa (for past 5 years )valid till Dec 31st 2015.I am getting married to an American Citizen in March 2015.

The application for adjustment of status can be filed as soon as you have a marriage certificate demonstrating that you have entered into a legal...

Is it mandatory for the spouse of a US citizen to remain in the country after the spouse visa is approved?

Visa processing and adjustment of status are two completely different means through which a green card can be acquired. Since timing issues are...

Can I change my current company while in 7th year H1 extension based on pending perm ?

It is possible, but may not be the wisest move. Consult with an immigration attorney.

Can I change my current company while in 7th year H1 extension based on pending perm ?

The underlying PERM or approved I-140 relied upon for extensions beyond the 6th year under AC-21 need not have been filed by the company seeking...

Evidence for i751??

Changing your last name to that of your spouse would not make the marriage any more or less valid. Provide evidence that you are living as husband...

Resources for I-864

She can only claim amounts that she claims on her income taxes and can substantiate.