assign 让与，动产转让；常指转让无形财产的权利；如assign a mark转让商标；assign a patent转让专利。

transfer （所有权的）让与（把一个人的权利转让给另一人），财产等转让；泛指各种转让。如：The Seller has the corporate power and authorityto sell, transfer,assign and deliver such TransferredShares as provided in this Agreement, and such delivery will conveyto the Purchaser good and marketable title to such TransferredShares, free and clear of any and allLiens. （转让方拥有权利和授权按本协议出售、转让、让与和交付该转让股份，且将向受让方交付的转让股份为完好适销证券，不存在任何担保权利。）