专利授权后维护全指南：年费缴纳、核心注意事项及逾期后果

2026-01-29 网络整理佚名770

Key Point:引言:专利授权不是终点，规范维护才是关键。产品标注专利标记时，需注明专利号 +“专利产品仿冒必究”，未授权前不得标注 “专利” 字样;

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