Law Offices of Isabel De Sio Perez

Ms. De Sio Perez successfully managed McDonald’s Corporation trademark litigation in a precedent setting case in Paraguay in which the Supreme Court of that country confirmed McDonald’s right to cancel the registration of its famous trademark, wrongfully registered by a third party. The landmark decision was also the subject of an article in the Chicago Tribune recognizing Ms. De Sio Perez´ role in the management of the case.