The "Doutor" degree is awarded in the field of knowledge or in one of its specialist subjects to those who, after completed a 3rd cycle - "Doutoramento", have demonstrated:
a) The capacity of systematic understanding in a scientific field;
b) Competences, skills, and investigation methods associated with a scientific field;
c) The capacity to conceive, project, adapt and perform significant research respecting the demands imposed by patterns of academic quality and integrity;
d) Having carried out a significant body of original research which has contributed to challenging the boundaries of knowledge, part of which merited national or international dissemination in renouned publications;
e) Being capable of critically analyzing, evaluating and synthesizing new and complex ideas;
f) Being capable of communicating with their peers, the rest of the academic community and society in general in their expert field;
g) The capacity to promote technological, social or cultural progress in academic or professional terms in a knowledge-based society.
- The drawing up of an original thesis especially for this purpose, appropriate to the nature of the branch of knowledge or specialty, or the compilation of a coherent and relevant set of research works or, in the field of the arts, a work or set of works or accompanied by a written statement of reasons;
- The eventual realization of curricular units directed to the formation for the investigation, when the respective regulatory norms foresee it.
The duration of either the study cycle, nor the corresponding ECTS credits is not legally defined. The usual is having a duration of 6 to 8 semesters and 180 to 240 ECTS credits.