The following signs or media can constitute a trademark:
The law establishes a series of limitations:
The SPTO has a Guide to Registration Prohibitions on its web page where you will find examples and specific cases of the criteria used by the Office to analyse absolute and relative prohibitions of distinctive signs.
By presenting directly by the interested or through a representative or Industrial Property Agent, to the Spanish Patent and Trademark Office (SPTO); the Regional Industrial Property Information Centres in the autonomous regions; Post Offices (in an unsealed envelope, by registered post and with a receipt); government offices and sub-offices; department of industry and energy; or electronically with a computer-generated application, available from the SPTO website (www.oepm.es).