
As far as Trademark Opposition in India is concerned, Section 21 of the Trademarks Act, 1999 says that "any person" who wants to oppose a trademark application can do so by filing a Trademark Opposition.
Filing a reply on behalf of my client who already received the opposition notice from the other party
Serving a notice of opposition on behalf of the client who wants to oppose/object on another Trade Mark
All in One services regarding Opposition