In early April, the 40-plus litigation partners at Simpson Thacher & Bartlett got together in-person for the first time in three years at the firm's New York office at a one-day retreat complete with a full-department lunch and a partner dinner in the evening. Lynn Neuner and Jonathan Youngwood, the co-chairs of the practice, say the event had a family reunion kind of vibe, since many in the room hadn't been together in years.