Is it normal to wait that long for the interview letter N400

This is not unusual. Cases are often delayed a few weeks and holidays could have caused a slight delay as well. I would give it few more weeks.

This should be handled by your employer and their attorney. You should not be dealing with the LCA process yourself.

You may fit EB-1c. Your position as a vice president fits the criteria provided that your job description shows executive and management decision...

Is my wife likely to get her visa denied?

You need an attorney. Your situation has gone well beyond finding answers on the internet.

Need advise on bringing my kid on H4 and my mother on visitors visa in Jan 2014. I am on H1B from Sep 2014.

Your son's H-4 will likely be approved. As to your mother, she must present substantial evidence showing that she intends to return and does not...

Good morning Lawyers, I have a question regarding job working on H1B. I have valid H1B for next 2 years.

Your status ends with your employment. If another employer is willing to sponsor, you should have an attorney look into and evaluate the...

Asylum interview is the most important proceeding in your asylum case. I agree with my colleague, an attorney will almost always add value with his...

Are private research universities exempt from H1b quota?

As long as they are 501(c)(3), they are exempt. Your or your employer's attorney can clarify further.

Have Valid H1b stamp ,H1b Transfer pending with RFE and Need to travel to home country?

The worst case is that they will not let you enter back. You need to discuss this in more detail with your attorney. My recommendation would be to...

I am a permanent resident and my fiance is on opt status, if we get married can he legally reside in the UNITED STATES.

Your LPR status will not allow him to adjust status. He will likely have to maintain his OPT or other non-immigrant status till you become a...