[
d)
e)
f)
g)
h)
REPUBLIC OF ANGOLA
the inventor’s claims as to novelty;
a copy of the patent application or other protection title that has been filed in
another country and that concerns the same invention;
a clear and comprehensive description of the subject of the invention such
that it may be carried out by a person having ordinary skill in the art;
the designs, where necessary for understanding the invention, referring to
the description or the claims;
a summary, essentially for the purposes of technical information.
2. The application must refer to one single invention or a group of inventions
related in such a way that they constitute one single inventive concept.
3. Where the applicant is not the inventor, the application shall be accompanied
by a duly authenticated power of attorney in favor of the person requesting the
patent.
Article 6
(Term of patent)
1. An invention patent shall be valid for a period of 15 years from the date of
deposit, provided the legal requirements are met.
2. Once this period has expired, the subject of the patent shall fall into the public
domain.
Article 7
(Alterations to an invention)
1. During the period of validity of a patent, alterations may be made to an
invention by its owner or his heirs. Alterations shall be formalized by simple
alteration certificates, which shall confer the same rights as the original patent for
the duration of said original patent.
2. Alteration applications shall be processed under the terms specified for the
main patent.
Article 8
(Transfer of an invention patent)
1. Ownership of an invention patent may be transferred by an act inter vivos, by
means of a deed, or by virtue of intestacy or testamentary succession.
2. An invention patent may be transferred in whole or in part and for its full term
or for a shorter period, and may be used everywhere or in specified places.