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Patents

ContentGuard Secures Key Patent Victory in Digital Rights Management (DRM) Lawsuits

Strategic Insights

— 1 min read

Judge J. Rodney Gilstrap of the U.S. District Court for the Eastern District of Texas issued a 144-page Claim Construction Order on March 20, 2015, in favor of ContentGuard Holdings, Inc., a subsidiary of Pendrell Corporation. The ruling preserved the breadth of ContentGuard's patented Digital Rights Management (DRM) technologies, which enable the distribution of digital media over the Internet and other networks. This victory is a significant milestone for ContentGuard, as it protects its intellectual property and validates the company's pioneering work in DRM.

Key Takeaways:

  • The U.S. District Court for the Eastern District of Texas issued a 144-page Claim Construction Order in favor of ContentGuard Holdings, Inc. on March 20, 2015.
  • The ruling interpreted the language in ContentGuard's patents, preserving the breadth of its patented DRM technologies.
  • The representative patents selected for the pending lawsuits are United States Patents 6,963,859; 7,225,160; 7,269,576; 7,523,072; 7,774,280; 8,001,053; 8,370,956; 8,393,007; and 8,583,556.
  • The patented inventions originated from a team of inventors at Xerox PARC, including Mark Stefik, who is widely recognized as the father of DRM.
  • ContentGuard holds more than 300 issued patents and has hundreds of patent applications pending worldwide.
  • The company currently has license agreements in place with leading technology companies, including LG, Microsoft, Nokia, Panasonic, Sharp, Sony, Toshiba, Casio, Hitachi, Time Warner, and Xerox.

Statistics:

  • The U.S. District Court for the Eastern District of Texas issued a 144-page Claim Construction Order.
  • ContentGuard holds more than 300 issued patents.
  • The company has hundreds of patent applications pending worldwide.
  • The representative patents selected for the pending lawsuits are from United States Patents 6,963,859 to 8,583,556.
  • The company currently has license agreements in place with more than 10 leading technology companies.

Sources:

  • Pendrell Corporation (NASDAQ:PCO)
  • ContentGuard Holdings, Inc.
  • Judge J. Rodney Gilstrap, U.S. District Court for the Eastern District of Texas

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