The long-awaited Aqua Products ruling is narrow – a result of different views on the judgment and the rationale that should be employed. The matter is remanded for the PTAB to consider the patentability of the proposed substitute claims without placing the burden of persuasion on the patent owner
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UK firm Shakespeare Martineau, which secured victory for the Triton shower brand at the Court of Appeal, explains how it navigated a tricky test regarding patent claim scopes