H-1B immigration case status ?

You can create an account here and get all the activity: https://pacer.uscourts.gov/

What happened to “U.S. Chamber of Commerce et al. v. DHS et al., Case Num: 20-cv-07331-JSW” ?

You can create an account here and get all the activity: https://pacer.uscourts.gov/

Would my OPT application be denied because I put the wrong date of signature?

Considering the fact that CIS is quite 'picky' ... it is possible that they may reject the application.

Does N600 applicant’s US parent require to present in the U.S. for at least 5 years?

You described the basic requirement ... but it can be different depending on when the person was born.

I agree with Mr. Smith ... only an educational evaluation company can answer this question.

Although you didn't tell us, I'm going to assume that you were on F-1 and your spouse was on F-2. If your inlaws have strong ties to their...

If CIS does their job correctly your COS to F-2 will be denied and your spouse's F-1 SEVIS will be terminated.

Can I extend or amend my L-1 petition while I am outside the USA?

Yes, this can be filed while you're outside of the US. Talk to the company attorney and NOT some 'team' in HR about the possible need to get a...

If you get a certified copy of the court and police files, you should be OK.

Can I enter US with valid H4 but my i539 was pending which was applied by my husband new employer?

Why did your husband file form I-539? It isn't necessary to file that for someone on H-4 when the H-1B changes employers. Write to immigration...