Patent Portfolio


Our nuclear fuel technologies are protected by multiple U.S. and international patents. Below are key issued and pending patents and other key elements of our intellectual property portfolio. We also hold certain intellectual property as trade secrets. We are continually executing a strategy aimed at further expanding our intellectual property portfolio.

Patents for Metallic Nuclear Fuel for Power Uprates and Longer Fuel Cycles:

  • A FUEL ELEMENT, A FUEL ASSEMBLY AND A METHOD OF USING A FUEL ASSEMBLY
    • European Patent Granted (2077560); registered on May 18, 2016 in:
      • Bulgaria
      • Czech Republic
      • Finland
      • France
      • Germany
      • Hungary
      • Sweden
      • Turkey
      • United Kingdom
    • European Patent Application (10166457.1) filed on December 23, 2008
  • FUEL ASSEMBLY
    • China Patent Granted (ZL2011800237859); registered on May 18, 2016
    • European Patent Granted (2569776); registered on April 06, 2016
    • Applications filed on May 11, 2011; pending in:
      • Australia (2015202628)
      • Canada (2798539)
      • China (201610218056.3)
      • India (9326/DELNP/2012)
      • Republic of Korea (10-2012-7029003)
      • U.S. (123616.360816)
    • Applications filed on May 01, 2014; pending in:
      • Australia (2014262983)
      • Canada (2911608)
      • China (201480036401.0)
      • India (11062/DELNP/2015)
      • Republic of Korea (10-2015-7035028)
      • Europe (14733408.0)
      • Eurasia (201592147)
      • Japan (2016-512961)
    • Applications filed on September 16, 2015; pending in:
      • U.S. (123616.387449)
      • Patent Cooperation Treaty (PCT/US2015/050454)
  • FUEL ASSEMBLY FOR A LIGHT-WATER NUCLEAR REACTOR (EMBODIMENTS), LIGHT-WATER NUCLEAR REACTOR AND FUEL ELEMENT OF THE FUEL ASSEMBLY
    • Australia Patent Granted (2008365658); registered on September 03, 2015
    • European Patent Granted (2372717); registered on April 13, 2016 in:
      • Bulgaria
      • Czech Republic
      • Finland
      • France
      • Germany
      • Hungary
      • Sweden
      • Turkey
      • United Kingdom
    • Japan Patent Granted (5755568); registered on June 05, 2015
    • Republic of Korea Patent Granted (10/1546814); registered on August 18, 2015
    • Applications filed on December 25, 2008; pending in:
      • Canada (2748367)
      • China (200880132741.8)
      • Europe (16153633.9)
      • India (5521/DELNP/2011)
    • LIGHT-WATER REACTOR FUEL ASSEMBLY (ALTERNATIVES), A LIGHT WATER REACTOR, AND A FUEL ELEMENT OF FUEL ASSEMBLY
      • U.S. Patent Granted (9355747); registered on May 31, 2016

Patents for Thorium-based Seed and Blanket Fuel:

  • NUCLEAR REACTOR (VARIANTS), FUEL ASSEMBLY CONSISTING OF DRIVER-BREEDING MODULES FOR A NUCLEAR REACTOR (VARIANTS) AND A FUEL CELL FOR A FUEL ASSEMBLY
    • Australia Patent Granted (2007363064); registered on May 24, 2014
    • Canada Patent Granted (2710432); registered on April 26, 2016
    • China Patent Granted (200780102099.4); registered on February 12, 2014
    • Japan Patent Granted (5921046); registered on April 22, 2014
    • Japan Patent Granted (5585883); registered on August 01, 2014
    • Republic of Korea Patent Granted (10-1474864); registered on December 15, 2014
    • Application filed on December 26, 2007; pending in India (5244/DELNO/2010)
  • NUCLEAR REACTOR (ALTERNATIVES), FUEL ASSEMBLY OF SEED-BLANKET SUBASSEMBLIES FOR NUCLEAR REACTOR (ALTERNATIVES), AND FUEL ELEMENT FOR FUEL ASSMEBLY
    • Republic of Korea Patent Granted (10-1515116); registered on April 20, 2015

In addition to our patent portfolio, we also own the following trademarks:

Registered US Trademarks:

  • LIGHTBRIDGE corporate name (Registration No. 3933449)
  • Lightbridge's corporate logo (Registration No. 3933450)
  • THORIUM POWER corporate name (Registration No. 3791726)

Registered International Trademarks:

  • LIGHTBRIDGE corporate name in key countries
  • Lightbridge’s corporate logo in key countries
  • THORIUM POWER corporate name in key countries

Pending Trademark Applications:

  • LIGHTBRIDGE corporate name (US Application No. 86171723)
  • Lightbridge’s corporate logo design mark (US Application No. 86171750)