The Google Books copyright case (Authors Guild vs Google) is finally over – more than 10 years after it started. The Supreme Court refused to hear the appeal from the authors which means the Second Circuit Court decision stands – that the Google Books digitization project was a fair use.
If you’d like to review the details of this case, here are a couple resources:
https://en.wikipedia.org/wiki/Authors_Guild,_Inc._v._Google,_Inc.
https://www.eff.org/cases/authors-guild-v-google-part-ii-fair-use-proceedings