As a follow-up to our earlier post (Can BlackBerry Patent a Keyboard?), a US court on Friday issued a preliminary injunction in a dispute between the BlackBerry maker and start-up Typo Products LLC which sells a snap-on keyboard for the iPhone.

The preliminary court order prohibits Typo from the sale of its keyboard product in the US, pending outcome of the case at trial. Typo Products has indicated it will appeal. A preliminary injunction is not determinative but certainly provides an early advantage to BlackBerry as the patent holder.