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Database quick guides: Espacenet

Espacenet

 

Espacenet DESCRIPTION EXAMPLES
Finding variations of a word





 

Wildcard characters
at the end of a word

replaces zero or any number of characters
replaces zero or one character
replaces exactly one character

 

 

Metal* retrieves e.g. metal, metals, metallic, metallurgy, metallurgical
car?
retrieves e.g. car, cars, card, care
car# retrieves e.g. cars, card, care (but not car)

Phrases Phrase in quotation marks
- wildcards can be used
"waste water"
"waste water*"
Operators Boolean operators
AND, OR, NOT

condition AND monitoring

condition monitoring
 
retrieves condition AND monitoring

Order of precedence rules

Use parentheses to override operator precedence. The expression inside the parentheses is executed first.

 

Without parentheses the search query is processed from left to rigth
 

 

(condition AND monitor*) OR (failure AND detect*)  

 

condition monitor* OR failure detect*  retrieves
condition AND monitor* OR failure AND detect*
-> operators are executed from left to right

Limitations

A maximum of 10 search terms may be entered in each field and a total of 20 search terms as a whole.

In the worldwide collection full texts (claims and description) are not searchable.

When searching in the EP or WIPO databases, you can use the full text search field.

 
Patent family

See INPADOC Patent Family on the left side bar.

 
Tips

Tips for smart search:

searc term (lower case letter) finds title, abstract, inventor or applicant

Search Term (capital Letter) finds inventor or applicant
 

 

"social network*" AND Facebook