Law firm mergers and acquisitions dropped off when the pandemic hit in March, but 2020 still saw 60 combinations as of December 11, according to the Altman Weil MergerLine. That means a handful of storied firm names will be going away, many of them in Pennsylvania and New Jersey. Am Law 100 and midsize firms swallowed up most of the firms that were acquired in 2020. These are some of the firm names you won't be seeing in the future.