Is it possible for an american employee buy into an e2 business?

Yes a US citizen may be part owner of an E-2 business starting with 25% and increasing to 49.9%, as long as the requirements for E-2 are met you...

Waiting for Petition to Remove Conditions of Permanent Resident Status

A joint petition to remove the condition requires a shared life together. Living separate does not mean there is not a shared life but it may be...

What are my options to continue to work in US even if the extension is vacated by the court.

Go for the H1b that gives the opportunity of either opt or h1b

What is the deference between petition approval date and start date? is my current L1B visa still valid after petition approval?

Petition approval date is the date CIS approves the petition. The start date is the day you may begin employment

Will USCIS fine me for not changing my address within 30 days? I am a US citizen

As a US citizen you are not required to notify CIS of a change of address. You may not receive important communications but there is no legal...

While it is possible, in reality immigration is not issuing fines for late change of address.

As the petition from B was denied, you will likely need to consular process the petition from Employer C. Speak with Employer C's immigration...

How can I be in the US by August 2016 while still waiting for my Green Card abroad?

You will need to proceed using consular processing. While may be possible to meet your August start date, it is unlikely. Recommend you speak with...

Where can I find Alien Registration Number?

You should find it on your EAD card

Am I Cap exempted ? Do I need to go through the H1-B lottery process.

Based on the information you provided you are not CAP exempt.