How many months of work authorization time do you have remaining if you hold F 1 opt and are eligible for a stem extension list full opt availability?

24-month
ALERT: Although F-1 nonimmigrant students with degrees in science, technology, engineering, or mathematics (STEM) may apply for a 24-month extension of their post-completion OPT employment authorization, our policies regarding the cap-gap extension remain the same.

Which visa is better H1b or J-1?

The H-1B visa offers the following advantages over a J-1 visa: H-1B status lasts for three years and can be extended for three more years. If you remain in the U.S. and work for the entire six years, you will be eligible to apply for a green card. The H-1B visa allows you to stay in the U.S. for longer than a J-1 visa.

How long does it take to go from J-1 to H1b?

between 2-3 days
You need to wait for the petition to be approved. Then you need to go to the U.S. embassy or consulate in your home country to process your new visa. It should take between 2-3 days but it may differ in your home country.

Does USCIS reject OPT extension?

Normally, if your OPT/STEM OPT Extension is rejected, you must file a completely new application withUSCIS. If the application is rejected after your filing deadline (the end of the 60-day grace period for OPT; end of the OPT EAD for STEM OPT) refiling would normally be denied.

Does 60 days grace period exist even after the end of 90 day unemployment period?

There is no grace period after reaching the 90-day limit and you will be expected to leave the country.

How long can you stay in US after l1 visa expires?

There is a seven-year maximum stay for L-1A visa holders and a five-year maximum stay for L-1B visa holders. Once you have reached your maximum stay, you may not extend your L-1 visa again, until you have been outside of the U.S. for at least one year.

How long can you stay in U.S. after l1 visa expires?