If you experience a layoff while on H-1B status, you receive a 60-day grace period. If you secure a new H-1B approval and face another layoff, you'll receive a fresh 60-day grace period. This applies to H-1B transfers and extensions. As for obtaining a B-1/B-2 visa for job searching after a layoff, while there's no official measure of difficulty, the approval rates appear to be consistently positive, with no reported denials.

The USCIS is currently focusing on two main aspects when evaluating NIW petitions:

1. National Importance of Your Work:

They want to see how your specific work benefits the entire country, not just your immediate sphere of influence.

Example: For a neurosurgeon, saving lives locally isn't enough; they want to see a broader national impact.

2. Comparative Contribution:

USCIS is looking at how your work stands out from others in your field.

They want to see that your contribution is not just significant but also distinguishable from your peers' work.

These two factors are currently the primary focus in NIW evaluations, leading to higher rejection rates for petitions that don't adequately address these specific points.