(1) 本条が適用される取引，証書又は事件により特許又は特許出願の所有権を取得したと主張する者は，本条が適用される先の取引，証書又は事件により当該所有権を取得したと主張する他人に対して，後の取引，証書又は事件の時点で次のとおりである場合は，その権原を有する。 (a) 当該先の取引，証書又は事件が登録されておらず， (b) 未だ公開されていない出願の場合は，当該先の取引，証書又は事件の通知が未だ登録官になされておらず，かつ (c) 何れの場合も，当該後の取引，証書又は事件による主張をする者が先の取引，証書又は事件を知らなかった。例文帳に追加

(1) Any person who claims to have acquired the property in a patent or application for a patent by virtue of any transaction, instrument or event to which this section applies shall be entitled as against any other person who claims to have acquired that property by virtue of an earlier transaction, instrument or event to which this section applies if, at the time of the later transaction, instrument or event -- (a) the earlier transaction, instrument or event was not registered; (b) in the case of any application which has not been published, notice of the earlier transaction, instrument or event had not been given to the Registrar; and (c) in any case, the person claiming under the later transaction, instrument or event did not know of the earlier transaction, instrument or event. - 特許庁