When you're a go-to lawyer for gig economy companies—where the law is relatively unsettled and the legal challenges come in waves—the appellate arguments can stack up. That was definitely the case last month for Theane Evangelis of Gibson, Dunn & Crutcher, who faced a gauntlet of arguments for three gig economy companies—Uber Technologies Inc., Postmates Inc., and Grubhub Inc.—held on back-to-back days in the First Circuit and Third Circuit last month.