Scrum PLoP® 2015 was held 24 May — 29 May, 2015, at Quinta da Pacheca near Porto, as the sixth annual ScrumPLoP.
Jeff Sutherland @ Scrum, Inc:
A Pattern Language for Hyperproductivity

Jeff Sutherland, the inventor of Scrum, is a charter member of the Scrum Patterns group. He is the author of most of  these Scrum PLoP® patterns — patterns he teaches to get teams off to a good start, and to get great teams to a hyperproductive state:
Jeff presented these at Agile 2013.