Take a look at this new class action settlement that is live right now for anyone who bought Johnson & Johnson Infants Tylenol between Oct. 3, 2014 and Jan. 6, 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 4/13/20. Claim up to $15+ ($2.15 per bottle up to 7 bottles for a total of $15.05 with no proof of purchase).
Some other Class Action Settlements that are still available: