No, unfortunately not the TTB but a trademark dispute between Monument Valley Distillers over their label for DUKE Bourbon. Duke University has filed the Complaint trying to block Wayne's estate (Ethan Wayne a partner in Monument Valley Distillers) from using the label because it's similar to the university's own logo. You can find different write ups of the story by doing a search but I'll link to the Washington Post story since it contains a photo of the label and this whopper of a line attributed to Bryan Gray/ Duke Spirits "Duke Bourbon was inspired by bottles from John Wayne's personal whiskey collection, preserved for over 50 years and only recently discovered." And if Duke's collection really exists can you imagine what they would bring at auction.
I also noticed this bourbon is available as listed on the Binny's web site-$27.99 and 88 proof. And, not another LDI/MGP if the label is to be believed.