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ITC to Probe Validity of ChampionX Diamond Cutter Patents

May 11, 2022, 9:51 PM

The U.S. International Trade Commission will probe whether a pair of patents covering polycrystalline diamond products used to make drill bits and bearings are indeed invalid in the wake of an administrative law judge’s determination that sought to cancel them.

The ITC said Monday that it will look into a March ruling that found that a host of importers hadn’t violated ChampionX’s US Synthetic patents because they were ineligible for protection.

In late December 2020, the commission agreed to hear Utah-based US Synthetic Corp.'s underlying complaint, which alleges that more than two dozen companies—including China-based SF Diamond, South Korea-based ...