Industrial Fabric Maker Loses Appeal Over Liner Patent

Law360, London (June 11, 2021, 4:35 PM BST) -- A London appeals court refused Friday to overturn a ruling that a British maker of industrial fabrics used to stabilize terrain had infringed a rival's patent for a train trackbed liner.

The Court of Appeal rejected Fiberweb Geosynthetics Ltd.'s challenge to a March decision that it had infringed a patent owned by Geofabrics Ltd. for a synthetic liner to prevent ground erosion with its product Hydrotex 2.0.

A three-judge panel reviewed the technical intricacies of the patent, which relates to a geosynthetic trackbed liner sandwiched between support layers, with "at least one filtration layer being of a material which is normally...

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