Is it possible to change a visa type from L1 to H1 when the person have a valid L1 and his H1 expired without US travel.

The other attorneys are correct ... it is best to continue with the L-1 until 2013.

How long should i wait?

Be patient 90 days isn't too long to wait.

First I got NOID for my I-140, after I got my EAD,Replied with some documentation. USCIS revoked my I-140,.

OOPS ... talk to a lawyer, it is possible that her AP is no longer valid.

Marrying Cuban CU6 permanent resident

You must get married ... or he must become a US citizen. Talk to an attorney to find out what is the best option.

I have I-140 approved. I am in the last year of my H1 (6th year). Can I change my job and still get an extension beyond 6 years?

Mr. Ferrari is correct .. it depends on the specific status of the previously approved I-140. Meet with an attorney .. .this is too complex for...

It depends on why you are filing the I-140 .. there is another option that is best ... the lawyer box. Talk to a lawyer ... don't take chances...

I was in usa from 2007-2009 with H1B. Can I able to reclaim H1B? Please suggest

You appear to have abandoned your visa ... and lost the right to reclaim ... in 2009. Meet with a lawyer to make sure. He/she can look at all...

Can I change from F1 to H1 visa while still on F1 Visa?

Yes ... if you get a lawyer to make sure that you time things correctly,

How long does it take to sponsor my mother to get here? And plus she has a son who is under 18 if she comes can he come too?

The other lawyers are correct ... 8-12 months for mom ... your brother can't come with her. Talk to a lawyer about a student visa for him BEFORE...

If protected under CPSA, can my daughter transfer her petition?

CSPA is complicated enough, without trying to switch petition types. Meet with an attorney to see if your idea makes any sense.