Originally Posted by Dr Jabadski

Presuming it was SUB points for which you met the requirements, NO. Even if not, the probability that AmEx would clawback points after 1 year are infinitesimally small. Perhaps only done, maybe in conjunction with shutdown, in cases of severe “abuse” (violation of T&C).

Be aware that an accepted retention offer which was completed with offer points posted carries an obligation to keep the account open for 1 year.