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Rh The States that have not taken part in the present convention shall be admitted to adhere to the same upon their application.

This adhesion shall be notified through the diplomatic channel to the Government of the Swiss Confederation and by the latter to all the others.

It shall convey of full right, accession to all the clauses, and admission to all the advantages stipulated by the present convention, and shall go into force a month after the sending of the notification given by the Swiss Government to the Unionist States, unless a later date shall have been indicated by the adhering State.

The Final Protocol annexed to the International Convention of March 20, 1883, is completed by the addition of a number 3 bis, as follows:

3 bis. The patentee, in each country, shall not suffer forfeiture because of non-working until after a minimum period of three years, to date from the deposit of the application in the country concerned, and in the case where the patentee shall not justify the reasons of his inaction.

The present Additional Act shall have the same force and duration as the Convention of March 20, 1883.

It shall be ratified and the ratifications shall be deposited at the Ministry of Foreign Affairs at Brussels as soon as may be and at the latest within the period of eighteen months dated from the day of signature.

It shall go into effect three months after the close of the record of deposit.

In witness whereof the respective Plenipotentiaries have signed the present Additional Act.

Done at Brussels in a single copy, December 14, 1900.

For Belgium:









For Brazil:



For Denmark:



For the Dominican Republic:



For Spain:



For the United States of America:







For France:







For Great Britain: