Twitter Granted Pull-to-Refresh Patent, Will Only Use Defensively

Twitter has been granted a patent on the pull-to-refresh action commonly used in iOS applications.

The original patent was filed by Tweetie designer Loren Brichter.

"I had started working on the patent two months before the Twitter deal," said Brichter. He filed the patent application one day before agreeing to sell Tweetie to Twitter. "The patent was the cherry on top," he says.

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