On April 9, 2015, the U.S. Patent & Trademark Office published a patent application from Apple that reveals their ongoing work on the Magic Trackpad. Apple was just granted a patent for their Magic Trackpad invention last month. Apple's new patent application covers all of the same ground as the original patent but advances the Magic Trackpad by integrating a new dimension that makes the device capable of switching between a normal power mode and a reduced power mode. This is outlined nine times in their 20 legal patent claims which didn't appear in their original 36 patent claims.

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