Argentina: the Argentinean PTO: The National Industrial Property Institute INPI offers online searches, but not online filings.
http://www.inpi.gov.ar/conweb/Marca.asp
Bolivia: The Bolivian PTO: The National Service of Industrial Property, SENAPI (www.senapi.gob.bo) does not offer registration or searching online.
Chile: The Chilean PTO: The National Institute of Intellectual Property (INAPI) (http://www.inapi.cl/) offers searches and filing online. But first it is necessary to do a register process in the INAPI database, if you are not Chilean, also you need designate a Chilean lawyer. This is according to the Law No. 19.039 on Industrial Property (Consolidated Text by Decree-Law No. 3).
For searches this is the link:
http://www.inapi.cl/index.php?option=com_wrapper&view=wrapper&Itemid=55&lang=es
Colombia: The Colombian Trademark and Patent Office: The Superintendence of Industry and Commerce (SIC) (www.sic.gov.co/) allows the searching and filing online. But it is necessary to complete the application process: to Do the presentation of the support documents in physic.
Ecuador: The Ecuadorian PTO: The ECUADORIAN INSTITUTE OF INTELLECTUAL PROPERTY.-IEPI (www.iepi.gob.ec) does not offer registration or searching online.
Mexico: The Mexican Institute of industrial property IMPI (www.impi.gob.mx) offers online searches, but not online filings.
For searches this is the link:
http://siga.impi.gob.mx/wb/SIGA/SIGA_busqueda_simple
http://marcanet.impi.gob.mx/marcanet/controler/
Panama: The Panamanian PTO: the General Directorate of Registration of Industrial Property (DIGERPI) of the Ministry of Commerce and Industry (https://www.digerpi.gob.pa/) offers searches and filing online. But for the filing trademark application it is necessary to do a register process in the DIGERPI database, if you are not Panamanian, You have to designate a panamanian lawyer (According to Law No. 35 of May 10, 1996 this should be done by practicing Panamanian lawyer).
For searches you have to go to “DIGERPI EN LINEA” web site.
Peru: The Peruvian PTO: the National Institute for the Defense of Competition and Protection of Intellectual Property Rights (INDECOPI) offers searching online and filing online .
This institution has some free services and other paid services. The filing trademark application, and the search of trademarks are paid services.
For the filing trademark application online it is necessary to do a register process in the INDECOPI database and to pay the services cost.
Searching: http://www.indecopi.gob.pe/0/modulos/JER/JER_Interna.aspx?ARE=0&PFL=11&JER=279
Filing: http://systems.indecopi.gob.pe/registroSolicitudes/
Venezuela: the Venezuela Trademark and Patent Office: the Autonomous Service for Intellectual Property SAPI (www.sapi.gob.ve) offers online searches (for use this service It is necessary to do a register process in the SAPI database). The Sapi does not have online filing.
For searches this is the link: http://webpi.sapi.gob.ve/