For a German patent application valid in Germany the following costs are currently incurred, which are payable to the German Patent and Trade Mark Office (DPMA):

• Application procedures: 40 euros
• Research:  300 euros
• Investigation procedures: 350 euros
• Annual fees 3^rd – 20^th year (rising): 70 – 1,940 euros

In addition to costs at the patent office, there are patent attorney fees of between approx. 3,000 and 6,000 euros for a patent application in Germany. 

Patent applications in other countries are subject to the country’s own schedule of fees for authorities and attorneys.