shall not be filed with the court, except such materials shall be filed (1) in cases in which there is
a pro se party; (2) when otherwise directed by a judge of the court; or (3) when and to the extent
needed by a party in connection with any motion, response to a motion, or during trial.
Counsel noticing a deposition or responsible for serving other non-filed discovery materials shall
act for the court as custodian of such deposition or discovery material; and shall preserve the
same until 30 days after final disposition of the case (including any appeal or the expiration of
the time for any appeal).