Brooks Brothers Group, Inc. v$.$ Bubbles by Brooks, LLC

In light of the Federal Rules of Civil Procedure, do parties have an ethical duty to refrain from lengthy litigation in certain cases?

Which CSR approach did the opposer, Brooks Brothers, adopt in this case? How did this approach backfire from a strategic perspective?

Which CSR approach would you have chosen and why?

Use your favorite search engine to find any websites or documents related to Brooks Brothers' commitment to CSR$.$ How does it comport with their actions in this case? Should it be amended? Explain