 The remaining US$1.5 billion was paid in the form of a three-year promissory note.After the purchase, Google maintained ownership of the vast majority of the Motorola Mobility patent portfolio, including current patent applications and invention disclosures, while Lenovo received a license to the portfolio of patents and other intellectual property.Additionally, Lenovo received over 2,000 patent assets, as well as the Motorola Mobility brand and trademark portfolio.