$($b$)$ AC & ZC plan to expand their business outside of California in the next few years and increase distribution. They also intend to publish a series of cheese making books and have a contract for a short DIY series on the Food Network. What do they need to file with the USPTO and US Copyright offices in order to protect their brand? Will this protect their BBC brand if they sell their cheeses globally, for example in European cheese markets such as France or Switzerland, where there may be some artisan aficionados?