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Art.62. Without prejudice to what is
Restoration shall only take effect if the
stipulated in Article 54, the maintenance in
patent holder has paid, within a period of
force of the patent shall be subject to
two months starting from the act granting
payment of the annual fees.
such restoration, an additional fee equal to
double the amount of the fees to be paid.
These fees shall be set during the periods
provided for in Article 54, and shall be
The restoration of a patent may not
progressive above and beyond these
infringe the rights of third parties.
periods.
Section 3 – Specific provisions for
Holders of an improvement patent shall be
licenses to work
subject to the system of fixed fees, if they
work their inventions themselves.
Art.64. In accordance with this Law, there
shall be three kinds of licenses to work:
The setting of the amount of each of these
voluntary licenses; nonvoluntary licenses;
fees as well as that of the various expenses
and ex officio licenses.
shall lie within the regulatory domain.
Art.63. In case of delay in the payments
referred to in Article 62, a sixmonth grace
period shall be granted to holders, subject
to the payment of a surcharge on the fee
due.
Nevertheless, the holder of a patent
disqualified in these conditions may secure
its restoration if he provides legitimate
excuses and if he so petitions the
competent Ministry, in the two months
starting from the expiration of the grace
period provided for in paragraph 1 of this
Article.