A claim of privilege is not defeated by a disclosure erroneously made without an opportunity to claim the privilege.
Mass. Guid. Evid. 524
This section is derived from Commonwealth v. Neumyer, 432 Mass. 23, 35-36 (2000) (no waiver where record holder unaware of probable cause hearing and victim "was hardly in a position to be aware of her rights"). See also Commonwealth v. Dwyer, 448 Mass. 122, 145-146 (2006).