https://info.legal-patent.com/patent-law/ibm-wins-83-million-licensing-battle-groupon/
“The District Court of Delaware has now ruled on patent infringement and committed Groupon to pay $83 million to IBM. Considerations about the amount of the payment included the high development costs claimed by IBM on the one hand, but also the license revenues lost for years on the other. Whether this payment will ultimately be made remains to be seen. Because Groupon has already announced to consider an appeal.”