It's fairly common for plaintiffs in Delaware to plead infringement by alleging that the defendant infringes "at least claim x," of the relevant patent—leaving the question of what other claims might be asserted until later in the case.
In line with the Federal Circuit decision in Disc Disease Sols. Inc. v. VGH Sols., Inc., 888 F.3d 1256, 1260 (Fed. Cir. 2018), many of our Delaware judges have explicitly endorsed this practice. See, e.g. Promos Techs., Inc. v. Samsung Elecs. Co., Civil Action No. 18-307-RGA, 2018 U.S. Dist. LEXIS 186276, at *6 (D. Del. Oct. 31, 2018) ("Plaintiff does provide details of at least one claim allegedly infringed under each asserted patent. Therefore, Plaintiff's identification of infringed …
