Welcome to Skilled in the Art. I'm Law.com IP reporter Scott Graham. Here's what's cracking this week:

• The Federal Circuit will entertain Round 4 of willfulness case Halo v. Pulse when it holds its May calendar next week.

• Even after joining the Federal Circuit, Judge Leonard Stark is taking care to wrap up some loose ends in Delaware, to the good fortune of Kirkland & Ellis and Cooley.