IBM demands $167 million from Groupon for using its patents

IBM demands $167 million from Groupon for using its patents

Two of the patents involved in the lawsuit are old intellectual properties that came out of the pre-internet Prodigy online service from 80’s. The newest of the bunch is a “single sign on” technology allowing users to log into a website with their Facebook or Google accounts. Groupon lawyer David Hadden argued that the case …