The patents were used to extract hundreds of millions from tech companies online video streaming and search results suggestions.
Patent-holding company claimed a host of Web giants owed it hundreds of millions in royalties for their use of online video streaming, search suggestions, and other "interactive" elements on pages.
In a bigger sequel to its years-long patent infringement case against Microsoft, Eolas has sued Apple, Google, Amazon, Yahoo, Frito-Lay, Playboy, and many others.
A years-long legal battle over Web browser technology is over, but neither Microsoft or Eolas is talking about details.
Panel of internal judges has agreed to launch a proceeding to determine whether Microsoft or Eolas is the rightful owner of a patent related to Web browser plug-in technology.
Michael Doyle and his company Eolas claim several prominent Web companies, including YouTube and Amazon, violate a patent it holds that dates back to 1994.
It's back to court after Microsoft convinces a court to vacate a patent infringement award against the company.
Licensing agreement allows software maker to eliminate Internet Explorer's "click to activate" step for interactive Web sites with HTML-embedded controls.
Unless this is part of a bigger blood feud, the sides may very well decide to split the difference and cut a deal.