How long is a trademark opposition process?

In different countries trademark opposition process is different.

In the US, trademark opposition period is only 30 days, so you have to be pretty fast if you plan to oppose.

A trademark opposition in Brazil may be filed by an interested party within 60 days from the date of its publication.

In Canada, Australia and New Zealand one has to file a trademark opposition within a 2-month period.

A trademark opposition in South Korea may be filed by an interested party within 2 months from the date of its publication.

In the UK, an opposition period is 2 months but can be requested to 3 months upon a request made by a party that intends to oppose.

A trademark opposition in Japan may be filed by an interested party within two months from the date of its publication. Trademarks are published twice, first time right after filing and second time after registration.

In Germany, publication happens after registration. Opposition period is 3 months.

In the European Union and China, a notice of opposition must be filed within 3 months following the publication.

In India, anyone may oppose registration of an Indian trademark within 4 months after publication.

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