Wall Street Journal | Samsung, Apple Amass 4G Patents for Battle Wall Street Journal Smartphone makers meanwhile are speeding the rollout of handsets that support long-term evolution 4G technology. Samsung and Apple are building up their patent portfolios for 4G wireless technology as courtroom battles escalate. The WSJ's Yun-Hee Kim ... Apple Samsung HTC 4G LTE suing game Apple, Samsung Prepare for Next Battleground: 4G iPhone 5 launch to trigger 4G LTE-related legal action from Samsung, report ... |