InvenSense Escalates Dispute With STMicro Over Who Invented MEMS
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InvenSense Inc. sued STMicroelectronics NV, claiming the Swiss company is infringing its patented inventions for motion sensors that are becoming ubiquitous in everything from smartphones to hand tools.
The lawsuit, brought today in federal court in Marshall, Texas, broadens a dispute between the two companies over micro-electro-mechanical systems, or MEMS. At issue is a technology that senses when consumers turn, touch and tap their gadgets, such as when a smartphone is held at a different angle.