3. To encourage the study and publicity of the questions relating to the protection of intellectual and industrial property; to publish for this purpose one or more official reviews, containing the full texts or digest of all documents forwarded to the Bureaux by the authorities of the signatory States.
The Governments of said States shall send to the International American Bureaux their official publications which contain the announcements of the registrations of trade-marks, and commercial names, and the grants of patents and privileges as well as the judgments rendered by the respective courts concerning the invalidity of trade marks and patents.
4. To communicate to the Governments of the Union any difficulties or obstacles that may oppose or delay the effective application of this Convention.
5. To aid the Governments of the signatory States in the preparations of international conferences for the study of legislation concerning industrial property, and to secure such alterations as it may be proper to propose in the regulations of the Union, or in treaties in force to protect industrial property. In case such conferences take place, the Directors of the Bureaux shall have the right to attend the meetings and there to express their opinions, but not to vote.
6. To present to the Governments of Cuba and of the United States of Brazil, respectively, yearly reports of their labors which shall be communicated at the same time to all the Governments of the other States of the Union.
7. To initiate and establish relations with similar Bureaux, and with the scientific and industrial associations and institutions for the exchange of publications, information and data conducive to the progress of the protection of industrial property.
8. To investigate cases where trade-marks, designs, and industrial models, have failed to obtain the recognition of registration provided for by this Convention, on the part of the authorities of any one of the States forming the Union, and to communicate the facts and reasons to the Government of the country of origin and to interested parties.
9. To cooperate as agents for each one of the Governments of the signatory States before the respective authorities for the better performance of any act tending to promote or accomplish the ends of this convention.
Article XIII
The Bureau established in the City of Habana, Cuba, shall have charge of the registration of trade-marks coming from the United States of America, Mexico, Cuba, Haiti, the Dominican Republic, El Salvador, Honduras, Nicaragua, Costa Rica, Guatemala and Panama.
The Bureau established in the City of Rio de Janeiro, shall have charge of the registration of trade-marks coming from Brazil, Uruguay, the Argen-
