How can you trademark something public that long after the fact, when it is clearly in common use to boot? Patents only give you a leeway of 1 year or less depe

How can you trademark something public that long after the fact, when it is clearly in common use to boot? Patents only give you a leeway of 1 year or less depending on the jurisdiction. Do you know if this sort of nonsense is commonplace or is this a weird edge case?