Kellogg sent them a cease and desist, they decided to ignore it. Kellogg then offered to pay them to rebrand, they still wouldn’t.
They then sued for $15 million.
Court listener:
https://www.courtlistener.com/docket/70447787/kellogg-north-...
Pacer (requires account, but most recent doc summarized )
https://ecf.ohnd.uscourts.gov/doc1/141014086025?caseid=31782...