Once completed, the purchase will make Lenovo the world's third largest smartphone maker behind Samsung and Apple.
The deal will also enable Lenovo to receive over 2,000 patent assets and the iconic Motorola Mobility brand.
But Google will keep the majority of Motorola's patents, including existing patent applications and invention disclosure.
Motorola Mobility makes Moto X and Moto G Android smartphones.
It is currently the U.S' third-biggest Android-based smartphone manufacturer.
Yang Yuanqing, Lenovo's chairman and CEO, says the deal will help Lenovo crack the smartphone market in the U.S.
"The deal will not only help us to open the door to a mature market, but also boost
