IPNews® – America’s top tech companies, including IBM, Apple, Google and Samsung all received top spots on the annual list of companies with most patents granted.

The list, which is compiled annually by IFI CLAIMS Patent Services, reveals mainly big name tech companies as the recipients of most of the patents granted by the USPTO in 2013.   Some surprises did occur, however, with struggling Canadian phone-maker BlackBerry holding on in the top 50, as well as San Diego based microchip manufacturer Qualcomm gaining huge headway into the number 9 spot.    To continue reading, click:  IBM Tops Annual List of Patent Assignees in 2013