Berry good llc registers its trademark with the u. s. patent and trademark office, and uses it to market a distinctive line of ice cream products. crabapple inc. uses the mark without berry’s consent to sell imitation frozen desserts. berry has a cause of action againsta.)crabapple. b.)the u. s. patent and trademark office. c.)consumers who buy crabapple’s desserts. d.)all of the choices.

The correct answer is letter "A": Crabapple.

Explanation:

The U.S. Patent and Trademark Office or USPTO is an agency of the U.S. Department of Commerce that issues patents to the creators and companies for their inventions and, registers the brands for the identification of products and intellectual property.

In the case, Berry Good LLC has the right to suit Crabapple Inc. in front of the USPTO for selling without Berry's consent an imitation of Berry's frozen dessert.

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answer/// product differentiation;