How much is the late fee for the annual patent fee? How to calculate the late fee for patent annual fee?

The patentee must pay the annual patent fee in accordance with the regulations every year, and if he fails to pay it within the time limit, he will also pay a late fee. There is also a prescribed time limit for the payment of general late fees. If the late payment fee is not paid, the patent will face the risk of invalidation.

If the patentee fails to pay the annual fee on time (excluding the annual fee of the year when the patent right was granted) or the amount paid is insufficient, it may pay the annual fee within six months from the date of expiration of the annual fee. If the overdue time exceeds the prescribed time limit but is less than one month, no overdue fine will be paid.

If the overdue time exceeds the specified time by one month, the corresponding amount of overdue fine shall be calculated according to the following calculation method:

( 1)? If the term exceeds one month (excluding one whole month) to two months (including two whole months), the payment amount is 5% of the annual cost;

(2) If the term exceeds two to three months (including three whole months), the payment amount shall be10% of the annual fee;

(3) If the term exceeds three to four months (including four whole months), the payment amount shall be15% of the full annual fee;

(4)? If the term exceeds four to five months (including five whole months), the payment amount is 20% of the annual cost;

(5)? If it is more than five to six months, the payment amount shall be 25% of the annual expenses.

If the first payment is insufficient and the payment is overdue again within the overdue period of six months, the amount of the late payment fee shall be the full annual fee exceeding the corresponding percentage of the specified month when the payment is overdue again. In case of termination due to overdue or insufficient payment of annual fee and/or late payment fee, in the recovery procedure, in addition to paying the annual fee, a late payment fee of 25% of the full annual fee shall be paid or paid.

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