| Depatis | — | German patent information system |
| Espacenet | — | Das europäische Netz von Patentdatenbanken |
| WIPO | — | World Intellectual Property Organization |
| USPTO | — | United States Patent and Trademark Office |
| Scopus | — | Database of abstracts and citations |
| Scirus | — | Academic database |
The databases provide the following functions:
| Function | DPMA | Espacenet | WIPO | | |
| | | | | |
| Print search results | P | P | | | |
| View bibliographic data | P | P | P | | |
| View patent family | P | P | | | |
| Download the orginal document | P | P | P | | |
| Download the test report | | | P | | |
| Full text search in the original document | • | P | • | | |
| Claims separately listed and easily accessible | | P | P | | |
| Drawings easily accessible | P | P | | | |
| Cited literature identified in the search separately listed and easily accessible | P | | | | |
| Cited documents separately listed and easily accessible. | | P | | | |
| Citing documents separately listed and easily accessible. | | P | | | |
Key:
P Function available
• Function partly available
