Ruling unanimously, the U.S. Supreme Court has set a higher threshold for obtaining and defending patents, sending a clear signal that it feels excessive patent rights are stifling innovation. One prominent educational technology group called the court's ruling "a major step forward" in fighting overly broad patents that threaten ed-tech development.

The High Court's decision, which makes it easier to challenge patents on the grounds they cover products that are obvious combinations of existing technologies, could affect several ongoing patent disputes with ties to education.

"The court's decision makes it easier to challenge a patent on the basis...

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