I am not a lawyer, but I read legal texts at work. I feel like I need a bit more information. 1. "intellectual property" is too vague and general. Usually we would be more specific: is it a patent, a trademark, or something else? 2. Is it really registered with the trademark and patent office of Málaga? I never heard of this. Usually these organisations are national, for example, the Spanish Patent and Trademark Office (OEPM) or the European Patent Office (EPO), even if your local office was in Malaga. So, then I would suggest something like this: Trademark registration pending, application number 4531287765 filed with the Spanish Patent and Trademark Office (OEPM). Patent pending, application number 4531287765 filed with the Spanish Patent and Trademark Office (OEPM).