Coverage of the Senate Judiciary Subcommittee on Intellectual Property hearings on proposed amendments to the Patent Act has trumpeted the possibility that Congress will undo the Alice test for Section 101 eligibility. Many stakeholders have commented on the benefits this could bring to patentees. But if this comes to pass, accused infringers won’t cease bringing early validity challenges—they’ll instead shift their focus from Section 101 to other grounds. Testimony before the Senate and the data on recent district court decisions strongly suggest that Section 112(f) will emerge as the preeminent ground for early validity challenges.

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