Home Box Office, Inc., commonly known as HBO, is an American premium television network and streaming service. Founded on November 8, 1972, it is headquartered at 30 Hudson Yards in New York City, New York. Home Box Office, Inc. operates as a subsidiary of Warner Bros. Discovery, a publicly traded global media and entertainment company. The company employs approximately 7,500 individuals. In 2023, HBO and its streaming counterpart, Max, collectively generated an estimated $7.7 billion in revenue.
HBO's primary operations involve providing subscription-based entertainment content, including theatrically released motion pictures, acclaimed original television series, made-for-cable movies, documentaries, comedy specials, and live sports. It operates the HBO and Cinemax premium channels, and its content is available through the Max streaming service (formerly HBO Max).
In patent litigation, Home Box Office, Inc. primarily maintains a defensive posture. The company has no record of initiating patent infringement lawsuits, appearing as a plaintiff zero times in tracked cases. It has been named as a defendant in one tracked case, indicating it is an operating company defending against assertions rather than an NPE. This single tracked case was filed in the U.S. District Court for the District of Delaware.
The notable tracked case involving Home Box Office, Inc. is Nokia Technologies Oy v. Warner Bros. Entertainment Inc. et al., where Home Box Office, Inc. is listed as a defendant. This case, filed on November 1, 2025, reflects litigation directed at the broader Warner Bros. Entertainment group, with HBO being included due to its subsidiary relationship with Warner Bros. Discovery.