Yelp.com, Koch Industries’ CEO Charles Koch, and a Dallas couple who own a dog and pet fish all have chosen the same side in a growing debate about the free-speech rights of online reviewers.

By the end of July, the dog and fish owners, Robert and Michelle Duchouquette, expect a Dallas court to hold a hearing determining if Prestigious Pets of Plano violated their free-speech right and if, therefore a judge should toss a breach-of-contract lawsuit the pet-sitting company filed against them based on comments posted as part of a one-star Yelp.com review.