Suit Filed Over Water Decontamination Patents
The complaint, lodged in the U.S. District Court for the Western District of North Carolina, claims AST and Calgon offer products that infringe six patents related to groundwater remediation.
EnviroMetal Technologies Inc. is waging the suit alongside Adventus. Canada-based ETI licenses the patents-in-suit and Adventus is the sub-licensee; the patents' owners are not included in the suit.
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