In September 2018, we were approached by a client who assigned us to renew a registered national combinative trademark for services in Class 35 of the Nice Classification, as the trademark will expire soon. We recommended the client to renew the trademark in due time, as he will then have another six months grace period for renewal, but will have to pay a higher state fee to the Patent Office. We prepared the necessary documents, filed them at the Patent Office of the Republic of Bulgaria and paid the state renewal fee. After a few days the trademark was renewed for a further period of ten years and a week later we received the official document from the Patent Office (Notification of renewal) which we provided to the client.