Groupon to pay IBM $57M to settle patent dispute
IBM generates more than one billion dollars per year from licensing activities
IBM generates more than one billion dollars per year from licensing activities
Groupon used IBM's patented e-commerce technology "without authorisation"
Big Blue accusing Groupon of infringing four basic internet technology patents
Court battle escalates between Big Blue and e-commerice marketplace operator
Kal Raman will guide company through next stage of growth
The open-souce software foundation had been raising funds to defend its trademark
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