Understanding Patent Annuity Payments in Sri Lanka
When is the patent annuity due in Sri Lanka?
Annuity or renewal fees are required to maintain the granted patent in force. Where a patentee, at the expiration of the second year from the date of grant of the patent, intends to keep the same in force he shall, twelve months prior to the date of expiration of the second and each succeeding year during the term of the patent, pay the prescribed annual fee.
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