Intel’s Fed Circ triumph over VLSI: an object lesson in the doctrine of equivalents and insufficient evidence
One of the biggest patent infringement verdicts in the US has been thrown out by the Court of Appeals. WIPR gauges litigators’ reaction to the reversal, including takeaways for defending doctrine of equivalents claims.
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14 June 2023 Computer chip giant convinces US tribunal to invalidate second patent in dispute that originally cost $2.2bn in damages | Verdict removes remaining $1.5bn award after appeal was lodged by patent holding company.
15 May 2023 Decision undermines an earlier jury verdict which delivered record damages of £2.2bn | Board finds all challenged claims on one of the patents at issue ‘unpatentable’ | Decision is ‘destabilising’, according to one lawyer.