The Bulgarian Patent Office (BPO) revoked patent BG 61365 and published an announcement of the revocation in its official bulletin. The revocation was appealed by AstraZeneca Pharmaceuticals LR. The Court held the decision of the BPO invalid and annulled it as the decision was not in written form and the mere publication in the official bulletin, being only a declarative action, was not sufficient to imply that a valid decision had been adopted.
The full summary of this case has been published on Kluwer IP Law.
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