Micron Files Patent Case In Calif. Day After Hit With Texas Suit

By Editorial Team

Chinese chipmaker Yangtze Memory Technologies Company Ltd. has accused Micron Technology Inc. of infringing a series of patents related to computer memory, prompting Micron to respond with its own suit asserting that it didn't infringe the patents.

The legal battle between the two companies escalated as Micron filed a patent case in California just one day after being hit with a lawsuit in Texas. The dispute revolves around several patents, including:

• 10,707,851 - Double data rate circuit and data generation method implementing precise duty cycle control
• 11,233,066 - Three-dimensional memory device and method for forming the same
• 12,068,250 - 3D NAND memory device and method of forming the same
• 12,075,621 - Three-dimensional memory device and method for forming the same
• 12,094,767 - Barrier layers for word line contacts in a three-dimensional NAND memory and fabrication methods thereof
• 12,254,925 - Control method and controller of 3D NAND flash
• 12,266,403 - Three-dimensional NAND memory and fabrication method thereof
• 12,232,313 - Staircase structure in three-dimensional memory device and method for forming the same

The legal proceedings involve prominent law firms such as Kirkland & Ellis, Miller Fair, and Orrick Herrington, representing the parties. Companies like Avnet Inc. and DCI Group LLC are also involved in the case.

The case information, including the court details and case number, is available only to subscribers. The legal dispute between Micron and Yangtze Memory Technologies Company Ltd. is expected to unfold in the U.S. District Court for the Eastern District of Texas and the U.S. District Court for the Northern District of California.