Lightbridge Receives Notice of Allowance on New Patent from the Eurasian Patent Office
Lightbridge Corporation (Nasdaq: LTBR) announced a Notice of Allowance from the Eurasian Patent Office for a multi-zone nuclear fuel rod design that employs additive manufacturing to create distinct radial and axial zones with tailored materials and properties.
[1]Core details
- The patent covers methods and apparatus for fabricating fuel rods via additive manufacturing with differentiated radial and axial zones. [1]
- Materials include refractory metals and alloys, alongside fuel materials such as zirconium alloys combined with uranium, plutonium, or thorium. [1]
- Allowed claims originate from PCT application WO2023034173A1, filed in August 2022. [1]
- The multi-zone structure varies material properties and thickness along axial or radial directions to optimize reactor performance. [1]
Leadership statement
This Notice of Allowance strengthens our intellectual property portfolio in Eurasia, a key region for nuclear energy deployment, home to over 40 operating reactors and ambitious expansion plans.[1]
Seth Grae, President and Chief Executive Officer, emphasized that the company’s patented additive manufacturing approach for multi-zone fuel rods supports next-generation Lightbridge Fuel rods aimed at improving reactor economics, safety, and fuel utilization in existing light-water reactors and emerging SMRs.
[1]Context and significance
- Eurasia is positioned as a strategic market with over 40 operating nuclear reactors and plans for growth. [1]
- The approach targets enhanced performance through engineered zoning, potentially benefiting fuel efficiency and safety. [1]
- The announcement was issued from Reston, Virginia, on November 3, 2025, via GlobeNewswire. [1]
Patent lineage
The allowed claims stem from the PCT application WO2023034173A1, detailing a multi-zone fuel element with variable composition and thickness to tune in-reactor behavior.
[1]Author’s summary
This allowance advances Lightbridge’s Eurasian IP for additively manufactured, multi-zone fuel rods, aligning material zoning with reactor needs to enhance efficiency, safety, and fuel use across LWRs and SMRs.
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