What is a Trademark Opposition?
A trademark opposition is a legal objection to the right to register a particular trademark. A trademark opposition is started by filing a notice of opposition. The trademark notice of opposition must be filed within 3 months of the date that the trademark application is advertised for the opposition.
It is is required at a stage after the registrar approves the trademark application and publish it in the journal for 3rd party opposition. If the mark is opposed, an opposition proceeding are started. After which both parties are involved to come out with the decision that is agreeable and fair for both of them.