When to renew
To keep a patent application pending or a patent in force, a renewal fee must be paid every year on the last day of the calendar month comprising the filing date.
Late payment after the due date is possible by paying the missed renewal fee with a surcharge of 20% within six months following the due date.
Costs
Current Official Fees (effective from 1 January 2024 till 31 December 2024):
for the years 1-2 no fee
for the 3rd year 135 Euro
for the 4th year 160 Euro
for the 5th year 210 Euro
for the 6th year 240 Euro
for the 7th year 270 Euro
for the 8th year 320 Euro
for the 9th year 375 Euro
for the 10th year 430 Euro
for the 11th year 480 Euro
for the 12th year 535 Euro
for the 13th year 590 Euro
for the 14th year 640 Euro
for the 15th year 700 Euro
for the 16th year 750 Euro
for the 17th year 800 Euro
for the 18th year 860 Euro
for the 19th year 910 Euro
for the 20th year 965 Euro