This complaint pleads the usual claims for this type of action, including direct, contributory and vicarious trademark infringement; a false advertising claim that the "sponsored link" language communicates a false impression of actual sponsorship
There are some legal fundamentals and procedures that search marketers should know about to protect copyrighted material online and prevent copyright infringement.
There you have it, your Legal department can be a partner in your SEO efforts! I have used this strategy for several clients with impressive results. Build a relationship with your legal team and enhance your SEO initiatives.