PTAB Amendments May Address More Than Pending Unpatentability Grounds, PTAB Litigation Blog
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The Federal Circuit has upheld the PTAB’s relatively liberal approach to proposed claim amendments in an IPR, holding that so long as a proposed substitute claim includes an amendment made in response to an unpatentability ground, the patent owner may make additional changes to address other perceived issues in the claim. Am. Natl. Mfg. Inc. v. Sleep No. Corp., 52 F.4th 1371 (Fed. Cir. 2022)
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