这两个期限最容易错过：
• 驳回复审： 仅 15 days from receiving the CNIPA refusal — a Chinese agent must respond in Chinese.
• 异议： 仅 3 个月 ，逾期须改走无效宣告。
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Planning estimates 仅, not legal advice. Timelines follow typical CNIPA processing and may shift; always rely on the dates in your official CNIPA documents. Maintained by Huaqing Innovation (Huaqing IP), a CNIPA-recorded agency.