In a large pot, melt the butter over medium heat. Add the diced onion and sauté until translucent, about 5 minutes. Stir in the minced garlic and cook for another minute until fragrant.
Add the diced potatoes and broth to the pot. Bring to a boil, then reduce heat and simmer for about 15 minutes, or until the potatoes are tender.
Stir in the heavy cream, chopped lobster meat, corn, and dried thyme. Simmer for an additional 5-10 minutes, allowing the flavors to meld.
Season with salt and pepper to taste.
Serve hot, garnished with fresh parsley.