Whisk together the garlic, Pernod, olive oil, and salt and pepper, to taste, in a large baking dish. Add the scallops, turn to coat, cover and refrigerate for 20 minutes.
Skewer 3 scallops onto 2 skewers so that the scallops lay flat. Season the scallops with salt and pepper on both sides and grill for about 2 minutes per side or until just cooked through. Transfer to a serving platter and immediately drizzle with the Lemon-Fennel Dressing. Serve with grilled lemons on the side.
Whisk together the lemon juice, vinegar, mustard, and salt and pepper, to taste, in a medium bowl until combined. Slowly whisk in the oil until emulsified and then stir in the chopped fresh fennel tops.