Another Data Decryption Patent Issued to Personalized Media Communications

Personalized Media Communications, LLC (PMC), a company owning a vast portfolio of patents that address the delivery and presentation of enhanced media content, has been issued another patent by the United States Patent and Trademark Office. The patent has been given for devising a method for decrypting data at a receiver station. The method can be applied to protect the data that is transmitted over public networks.

With U.S. Patent 8,191,091, PMC now has a total of 58 patents in its portfolio. The latest patent is the third in a series of four decryption-related patents covering PMC inventions, all with 1981 or 1987 priority dates. The other decryption-related patents are US 7,801,304 (priority 1981), US 7,992,169 (priority 1987), and a fourth patent (1981 priority) that is still in consideration and expected to be issued later this year.

According to a press release, claims included in the ‘091 patent has relevance in digital rights management methods used to protect content that is purchased and downloaded over  the Internet, such as songs, movies, eBooks, games, or software applications, and are also relevant to conditional access systems used to protect premium content transmitted by cable or satellite networks. The technology claimed in ‘091 is applicable to any media delivery platform, including traditional, cable or satellite TV and the Internet, and any device, such as cellular phones, set top boxes and game consoles, since the vast majority of content currently purchased and downloaded via public networks is protected by applying some form of encryption on the content which needs to be decrypted by a user’s devices.

PMC owns and licenses a portfolio of 58 patents that cover inventions it has developed internally over a 31-year period. Most of PMC’s patents will not begin to expire until 2027 or 2028, providing an unusually long life for patents’ with 1980s priority dates.