After being granted patent/utility model in Vietnam, in order to maintain validity of such patent/utility model, owner shall have to pay annuity fee.

SBLAW would like to introduce the time frame and documents shall be as hereafter:


Utility Solution/Utility Model

Validity of protection – An invention patent shall be valid from the grant date until the end of twenty (20) years after the filing date. – An Utility Solution is protected within ten (10) years from filing date.
Maintenance of validity – In order to maintain the validity of an invention patent or a utility solution patent, the owner must pay a validity maintenance fee within six months before the expiration of the validity term.

  • Ex: If Patent shall be terminated on December 1, 2012, the Owner can fill the payment of the validity maintenance fee from March 01, 2012 to December 01, 2012.

– The payment of the validity maintenance fee may be delayed for no more than six months after the expiration of the current validity term but the owner of protection title shall pay the maintenance fee plus 10% for each late month of payment.

Required Documents – Information of Patent or Utility Solution: Number of Certificate; Grant date; annuity year; number of independent claims

– Instruction letter via email/fax.


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