Western Digital Corporation

Western Digital Corporation (NASDAQ: WDC) is a publicly traded American data storage company founded in 1970. Headquartered in San Jose, California, the company is a major manufacturer of data storage devices. Publicly available figures from 2025 and 2026 place the company's employee count between 40,000 and 53,000. For fiscal year 2025, revenue was reported as $9.52 billion.

As one of the world's largest producers of hard disk drives (HDDs) and solid-state drives (SSDs), Western Digital's products serve a wide range of markets. Its major product lines are categorized into client devices (for PCs, mobile, and gaming), data center devices and solutions, and client solutions (external drives and personal cloud storage). The company sells products under several brand names, including WD, SanDisk Professional, and WD_BLACK, which is focused on gaming hardware.

The company's patent litigation history in the database shows it as an operating company defending its products. With zero cases as a plaintiff and one as a defendant, its posture is that of a technology manufacturer being sued for patent infringement. The single tracked case was filed in the U.S. District Court for the District of Delaware, a common venue for patent litigation.

The tracked case is Greenthread, LLC v. Intel Corporation et al., filed in 2023, where Western Digital is a co-defendant. The plaintiff, Greenthread, LLC, has been identified in litigation databases and legal analysis as a patent assertion entity that has filed infringement suits against numerous semiconductor and technology companies. The patents in Greenthread's litigation campaign generally relate to semiconductor devices with graded dopant regions.