When is it fair use to quote research from Gartner or Forrester?

When is it fair use to quote research from Gartner or Forrester?

When independent analyst Zeus Kerravala wrote up his own analysis of a Gartner “Magic Quadrant” review of vendors offering Contact Center as a Service (CCaaS), Gartner insisted that his use of their graphic was a copyright violation. He ended up taking down the post. But the case raises an interesting question: can subscription-based research companies…