When Properties Define Structure: Eligibility of Composition Claims
Patently O
FEBRUARY 13, 2025
by Dennis Crouch The Federal Circuit has reversed a controversial ITC decision that had invalidated composition of matter claims as abstract ideas. US Synthetic Corp. v. Int'l Trade Comm'n , No. 23-1217 (Fed. Cir. Feb. 13, 2025). This case marks an important limitation on the seemingly ever-expanding realm of patent ineligibility under Section 101. Writing for a unanimous panel, Judge Chen wrote that US Synthetic's patent claims covering polycrystalline diamond compacts (PDCs) used in drill bits
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