Take a look at this new class action settlement that is live right now for anyone who purchased qualifying plant-based milk, creamers, oat milk, and yogurt from Aug. 7, 2014, and March 20, 2020. There is no proof of purchase required to claim what is owed to you. This means you wont need to go digging through old receipts. The deadline for signing up for this settlement is 10/7/2020. You can claim up to $15 with no proof of purchase.
Some other Class Action Settlements that are still available: