H1B Transfer before Oct 1st

It is not a transfer. The new petitioning employer will file a new H-1B petition in your behalf.

Apply for new passport at home country Embassy/ Consulate. File police report on lost one. Seek replacement of I-94 when applying for green card.

Applying for 'Change of Status'from B1/B2 to F1 in the US. Can the course start date be after the I 94 expiration?

Apply for COS before the I-94 expires and join school only after approval of the COS.

Is there any advantage in conversion from FIB to 1 family immigration category ?

I agree with my colleagues. Sometimes upgrading a petition works to get residency faster. Other times it is best to stick to the category applied...

I signed 2 offer letters as I cant define yet for one job. Can I simply turn one of them down? What are the consequences?

If not interested, I would notify my prospective employer ASAP rather than leading them on, where they rely on your acceptance of employment and...

L1 to H1 when to file ?

One of the reasons employers file in April for start date of Oct 1 is because there are limited number of H-1B visas for each fiscal year and so if...

Is it legal to continue working after receiving an H - 1B transfer RFE ?

Yes, assuming it has not been 240 days since your I-94 expired.

Leaving US after H1 COS Approved

The attorney filing your COS should be able to answer these questions for you.

So your question is whether someone with a similar last name can petition for you? If so, the answer is No.

Can my wife travel out of US while my I-485 is pending?

It is confusing whether the process of PERM has just started or you filed for I-485? If the company just started the process, travel on H-4 should...