I am on H1B for 6 years with approved I140. I want to change my status to H4. Can I come back to H1 B again using cap exempt?

Most likely cap exempt but your new employer's US immigration attorney will review eligibility for fling at that time.

Can I apply for EAD through i-485 right after I applied for OPT?

Yes, you may file for EAD as part of your adjustment. Contact a US immigration attorney for assistance.

Hello, does USCIS send a receipt of notice of No objection statement favorable recommendation letter sent from the DOS?

You indicate you have an attorney - contact your attorney about assistance with obtaining the necessary documents.

Is it illegal to participate in digital currencies' ICOs (Initial Coin Offerings)?

Contact a financial advisor / accountant / securities attorney for review.

Contact the company's US immigration attorney for clarification.

Yes, generally the driver's license is all that is needed from the US citizen since you already provided proof of citizenship.

The company's US immigration attorney will review the denial and determine eligibility for re-filing and what to do differently.

H1B cap-exempt. LCA approved. Academic certification Evaluation approved. NOID issued

Contact the company's US immigration attorney about their response strategy.

Can my 10-year-old sibling still travel to the states for vacation after filing I-130?

Potentially - due to her age, she may not have the same issues an adult would. Contact a US immigration attorney.

Is it possible to reopen a case from 1987, or ask a judge to concider by priority date from 1987 ??

Contact a US immigration attorney for specific review.