In principle you can change jobs but it is really just new H-1B petition which is expensive and time consuming for new employer. To quote from the site you link

In principle you can change jobs but it is really just new H-1B petition which is expensive and time consuming for new employer. To quote from the site you link: "Therefore, when people say 'H1 transfer', it is actually just a new H-1B petition, all over again, without the restriction of the H-1B cap" http://www.immihelp.com/visas/h1b/h1-transfer.html http://www.immihelp.com/visas/h1b/h1-transfer.html