Laches

amicus brief for Biden's side Volokh The lawsuit claiming Pennsylvania's new "no-excuse" mail-in voting violated the state constitution's limitations on absentee voting was filed outside a 180-day challenge period laid out in the law, Act 77 of 2019, which also said such challenges belonged in the Supreme Court of Pennsylvania and not the Commonwealth Court, the respondents wrote in filings made public Tuesday. Too late how many absentee votes in PA in 2016?