Nokia filed a lawsuit June 11 against Qualcomm in response to a lawsuit filed April 2 by Qualcomm against Nokia.
The filing is the latest developments involving a patent fight over rights to technology that supports the cell phone and wireless device market.
Nokia’s suit accuses Qualcomm of infringing on patents related to MediaFLO and BREW technologies.
Both suits were filed in U.S. District Court for the Eastern District of Texas.
, Katie Weeks