1.In a medium saucepan, blanch asparagus 30 seconds. Refresh in chilled water, drain well.
2.In a jug, whisk extra-virgin olive oil, vinegar, brown sugar and oregano together until sugar dissolves. Set aside.
3.In a large frying pan, heat olive oil on low. Saute garlic 1-2 minutes, until light golden. Remove garlic with slotted spoon and discard. Reserve oil in pan. Lightly season scallops to taste. Sear 30 seconds each side. Remove from heat.
4.Arrange asparagus, tomatoes and olives on plates. Top with scallops. Drizzle dressing over salad.