The US Court of Appeals for the Federal Circuit reversed and remanded a determination by the US International Trade Commission regarding subject matter ineligibility under 35 U.S.C. § 101. The Court concluded that the Commission’s “loose and generalized” analysis did not adequately consider the specific and technical improvements specified by the claims. US Synthetic Corp. v. International Trade Commission, Case No. 23-1217 (Fed. Cir. Feb. 13, 2025) (Dyk, Chen, Stoll, JJ.)

US Synthetic Corp. (USS) filed a complaint with the Commission, alleging that several entities (intervenors) violated § 337 of the Tariff Act by importing and selling certain products that infringed five of USS’s patents. The patent at issue concerned a composition of a polycrystalline diamond compact (PDC) and disclosed an improved method for manufacturing PDCs.

An administrative law judge (ALJ) determined that several claims of the patent were valid and infringed under 35 U.S.C. §§ 102, 103, and 112. However, the ALJ found the claims patent-ineligible under § 101, deeming them directed to an abstract idea. The Commission affirmed this finding while rejecting the intervenors’ argument that the claims lacked enablement under § 112. Consequently, the only bar to a § 337 violation was the § 101 ruling. USS appealed, challenging the Commission’s patent ineligibility determination, while the intervenors argued that the claims were not enabled.

The Federal Circuit determined that the patent claims were directed to a specific technological improvement rather than an abstract idea. The Court had consistently explained that claims that provide a concrete technological solution to a recognized problem in the field are patent-eligible under § 101. Here, the claimed invention was not merely an implementation of an abstract idea on a generic computer; rather, it provided a particularized solution rooted in the physical composition of matter defined by constituent elements, dimensional information, and inherent material properties.

Applying the Supreme Court’s two-step Alice framework, the Federal Circuit reasoned that, under Alice step one, courts must determine whether the claims are directed to an abstract idea or a patent-eligible improvement. In this case, the Court found that the patent claims were not directed to an abstract idea because they recited a specific solution that was directed to a non-abstract composition of matter: PDC. Unlike claims found ineligible in prior cases, USS’s patent did not merely recite a mathematical algorithm or fundamental economic practice but instead provided a tangible technological advancement for an improved method for manufacturing PDCs.

The Federal Circuit noted that even if the claims were directed to an abstract idea under Alice step one, the claimed invention contained an inventive concept sufficient to transform the nature of the claim into patent-eligible subject matter under Alice step two. The Court explained that an inventive concept exists when the claims recite a specific, unconventional solution that goes beyond well-understood, routine, and conventional activities previously known in the field. Here, the Court determined that the claimed invention included an innovative combination of components (diamond, cobalt catalyst, and substrate) in conjunction with particular dimensional information (grain size) and [...]

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