An "opposition brief" is a document that presents arguments against a particular position or proposal. It provides reasons and evidence to counter or refute the claims made by someone else. Full definition
Google formally opposes the motion, but I found nothing of interest in Google's opposition brief other than Google offering the prediction that Oracle's damages claim in next year's retrial would be substantially greater than the billion - dollar claim from 2012. (fosspatents.com)
In the meantime I had published and commented on Dr. Kearl's filing, which was a de facto opposition brief. (fosspatents.com)
«This is not a case where an established copyright holder seeks to enjoin the production and sale of knockoffs,» Dontzin wrote in an opposition brief. (courthousenews.com)