The preliminary amendment filed on [1] was not entered because entry of the amendment would unduly interfere with the preparation of the Office action. See 37 CFR 1.115(b)(2) . The examiner spent a significant amount of time on the preparation of an Office action before the preliminary amendment was received. On the date of receipt of the amendment, the examiner had completed [2] . Furthermore, entry of the preliminary amendment would require significant additional time on the preparation of the Office action. Specifically, entry of the preliminary amendment would require the examiner to [3] . A responsive reply (under 37 CFR 1.111 or 37 CFR 1.113 as appropriate) to this Office action must be timely filed to avoid abandonment. If this is not a final Office action, applicant may wish to resubmit the amendment along with a responsive reply under 37 CFR 1.111 to ensure proper entry of the amendment.