Quickhelp Answers


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What does each database contain?
 
 
The coverage of each database is available under more...
 
 
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How many terms can I enter per field?
 
 
The maximum number of search terms per field is four.
 
 
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Can I search with a combination of words?
 
 
Yes, simply enter the words, separated by a space. Apostrophes, hyphens and slashes cannot be used in search fields. Please use blanks (spaces) instead.To increase your chances of finding a patent document that matches your query, use the OR operator with synonymous terms. AND is the default operator.
 
 
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Can I use truncation or wildcards?
 
 
Yes, you can use wildcard characters to expand your search to include, for example, the plural forms of a word. There are three wildcard characters available: *, ? and #.
 
 
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What are publication, application, priority and accession numbers?
 
 
A publication number is the number assigned to a patent application on publication. An application number is the number assigned to an application when it is filed. A priority number is one or more of the application numbers for which priority rights are claimed. An accession number is a number assigned to a non-patent literature document.
 
 
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How do I enter publication, application, priority and accession numbers?
 
 
Publication numbers are made up of a country code (two letters) and a serial number (variable, 1 to 12 digits). Application numbers are made up of a country code (two letters), the year of filing (four digits) and a serial number (variable, maximum seven digits). Priority numbers are made up of a country code (two letters), the year of filing (four digits) and a serial number (variable, seven digits). Accession numbers are made up of the XP code and a serial number and should be entered in the publication number field. You can enter a maximum of four numbers per field.
 
 
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What is the difference between the IPC and the ECLA?
 
 
The International Patent Classification (IPC) is a hierarchical classification system applied to published patent documents. The European Classification (ECLA) system is used by the EPO for carrying out patent application searches. It is based on the IPC but is more detailed. The current 7th edition of the IPC covers 70 000, while ECLA covers 129 200 groups.
 
 
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Can I enter a date range?
 
 
Due to system limitations, it is not possible to search within date ranges. You may enter up to four dates separated by the OR operator in the publication date field.
 
 
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How can I find out which is the most recent document available for a given country?
 
 
In the Advanced Search mask, simply type the two-letter country code in the "publication number" field and the current year in the "publication date" field. The record at the top of the hit list is the last loaded record in the database, and usually the most recent one for the country concerned.
 
 
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