Court reminds us filing a “stale” bankruptcy claim can result in financial penalties beyond claim denial under relevant state law By Elizabeth M. Lally on April 7, 2021 Email this postTweet this postLike this postShare this post on LinkedIn In the world of bankruptcy, filing a proof of claim on time, i.e. before the claims bar date, is imperative, but filing “stale” claims can result in penalties bigger than claim denial or loss of claim priority.