The calculation of the opposition period for trademark registration announcement is usually based on the following steps:

1. Announcement date:

-The Trademark Registration Office or relevant agency will file the trademark application After passing the preliminary examination, the trademark registration announcement will be published in the designated announcement media or on the website of the registration bureau. The announcement date refers to the date when the trademark registration announcement was first published.

2. Opposition period:

-The calculation of the opposition period for trademark registration announcement usually starts from the date of announcement. The opposition period refers to the deadline for others to file objections after the trademark registration is announced.

3. Calculation method of objection period:

-The specific calculation method of objection period may vary from country to country or region. Generally speaking, the objection period is calculated from the first day of the announcement date and lasts for a certain period of time, usually 30 or 60 days. The objection period may be extended in certain circumstances, such as when there are holidays or statutory holidays during the announcement period.

Please note that the specific calculation method of the trademark registration announcement opposition period may differ from country to country or region. It is recommended to find the precise calculation provisions for opposition periods in relevant trademark laws and regulations or in the Trademark Registry’s guidance, and ensure that the opposition period is calculated and adhered to in accordance with the requirements stipulated in local law.

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