Vault 100 2026 ranked Williams & Connolly’s Supreme Court & Appellate Litigation practice first in its annual ranking of the top 100 law firms in the U.S. The practice is led by renowned appellate litigator Lisa Blatt, who has argued 54 cases—more than any woman in history—and has an 81% win rate in cases decided.* The practice argued 23 Supreme Court merits cases over the past five Terms—a record for any group in private practice. During the past two Terms, Williams & Connolly argued nine merits cases.

According to the publication, the Vault 100 is based on the assessments of lawyers at peer firms. This year, more than 20,000 associates rated the reputations of firms other than their own. Vault reports that Williams & Connolly has a “promote-from-within culture with an emphasis on organic mentorship. Associates are given great responsibility early in their careers and appreciate being treated with respect, as shown by their ability to work when, how, and where they wish.”

Click here to see Vault’s Appellate Litigation Rankings for 2026.

*All cases vary and none is predictive.