Federal Case Summaries
Coverage since November 3, 1994

Federal

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CLS Bank International v. Alice Corp. — Federal Circuit En Banc Produces Fractured § 101 Ruling on Software Patents

Ten Federal Circuit judges issued seven different opinions and could not agree on a single legal standard for software patent eligibility under § 101, affirming by an evenly divided court that Alice’s financial settlement patents were invalid — a fractured ruling that led directly to the Supre

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Biosig Instruments v. Nautilus (Federal Circuit 2013) — Court Upholds ‘Spaced Relationship’ Claim Under Lenient Indefiniteness Standard, Drawing Supreme Court Correction

The Federal Circuit held that the term ‘spaced relationship’ in a heart rate monitor patent was not indefinite because it was ‘amenable to construction’ and not ‘insolubly ambiguous’ — applying its then-prevailing indefiniteness test that the Supreme Court unanimo

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InterDigital Communications v. ITC — Federal Circuit Holds Patent Licensing Alone Satisfies ITC Domestic Industry Requirement

The Federal Circuit affirmed that a patent holder whose domestic industry consists solely of licensing activities — with no domestic manufacturing — can satisfy Section 337’s domestic industry requirement at the ITC, opening the door wider for non-practicing entities to use exclusion orders as

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