Comparison

DPMA (Deutsches Patent- und Markenamt) vs Google Patents

DPMA (Deutsches Patent- und Markenamt) lands on Depends, and Google Patents lands on Worth it.

DPMA (Deutsches Patent- und Markenamt)

Depends

Confidence: Medium

This is the German government's patent and trademark office, not purchasable software . you use it only if filing German IP rights.

Worth it

Confidence: Medium

Anyone doing a first-pass patent or prior-art search should use it . it is free, world-scale, and easy.

DPMA (Deutsches Patent- und Markenamt) versus Google Patents
Compare	DPMA (Deutsches Patent- und Markenamt)	Google Patents
Verdict	Depends	Worth it
Best for	German patent and trademark filers	Inventors checking if an idea is already patented
Who it's not for	Anyone shopping for software . this is a government office, not a product	Pharma and drug patent research . the data fails there
Privacy	Government office; its DPMAdirektPro e-filing app had CVE-2025-43950 (DLL hijacking); no security page found on site.	No known public vulnerabilities found in the sources reviewed.¹⁰
Support quality	Phone support listed, no quality reviews	No support evidence in reviewed sources
Public sentiment	Public discussion is sparse and mostly concerns filing timelines rather than product experience, since this is a government office.^⁷	Practitioners and inventors use it heavily as a free first-pass tool but debate its reliability for thorough, legal-grade searches.¹⁵
Biggest gotcha	Scammers send fake DPMA payment requests . only pay fees listed on official pages^³	Not a substitute for a thorough professional prior-art search before filing