Bankers Life & Casualty Insurance v. CBRE, Inc.

POSNER, Circuit Judge.

A dispute between the parties was referred to a panel of arbitrators, who voted in favor of CBRE, a large real estate company. Its opponent, Bankers, an insurance company, challenged the arbitrators’ decision in federal district court, lost there, and appeals.

In 2011 Bankers leased office space at 600 West Chicago Avenue in Chicago. Its lease was set to expire in 2018. Another tenant in the building was Groupon, the well-known online merchant, which needed more office space. CBRE approached Bankers about the possibility of Bankers’ subleasing its space in the building to…