While we're talking about reply briefs—Judge Connolly this month affirmed Judge Burke's conclusion that a defendant had "abandoned" arguments that it set forth in its opening brief, because the defendant failed to further address those arguments in a reply after receiving pushback in the answering brief.
Here is what Judge Burke said:
In its opening brief, Defendants appeared to challenge these claims on two other grounds . . . . However, after Plaintiff pushed back on these issues in its answering brief, Defendants did not further address the issues in their reply brief. . . . Thus, Defendants have abandoned these arguments and the Court will not further address them herein.
Judge Connolly disagreed that such arguments are …
