Arm Holdings' lawsuit against Qualcomm ended in a mistrial on Friday, with a jury delivering a mixed verdict that found for Qualcomm on a crucial issue, saying Qualcomm had properly licensed its Snapdragon central processor chips.

Arm's lawsuit against Qualcomm seemingly has failed as the latter was not found guilty of using Arm's tech without a proper license. However, the actual fate between the two companies remains unknown.

The jury delivered its decision Friday in an industry-defining licensing battle that started over a $50 million royalty dispute.