BlackBerry has reached a settlement with Typo Innovations, which made an accessory keyboard for iPhones that the handset maker said infringed its patents.

Under the settlement announced Monday, Typo, which was co-founded by “American Idol” host Ryan Seacrest, is barred from selling keyboards for devices with screen sizes smaller than 7.9 inches.

BlackBerry sued Typo in 2014 after the company released a keyboard that fit the iPhone 5 or 5S like a protective case; BlackBerry claimed the keyboard copied those found on its own handsets. The keyboard is one of the differentiating features that has made BlackBerry loyalists cling to their old-school smartphones.

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