泰国是签发了强制性许可证的国家之一，而巴西也愿意参与泰国的强制活动以出低价进口药品。

Brazil wants to join Thailand, which has issued compulsory licences, in paying the poor-country price.

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如果专利所有人在登记后3年内在合理条件下不进行或未能进行专利许可，则符合条件的企业可获得强制性许可。

Compulsory licences may be granted to qualified enterprises after three years from registration if the patent owner will not or fails to license the patent on reasonable terms.

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编者按：中国并无强制性规定要求药物在许可前必须先获得专利。

Editor's note: in China, it is not mandatory to patent a drug before it is licensed.

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