I would have told them to piss off with that registration. He owns it, they can pound sand.Here's the trademark info, I don't know how any of it works.
View attachment 652038
https://tsdr.uspto.gov/#caseNumber=...TION&caseType=DEFAULT&searchType=statusSearch
The registration cert
https://tsdr.uspto.gov/documentview...=ORC20250130033317&linkId=1#docIndex=0&page=1
