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Canadian Patents Database

Boolean Search

Type the words or phrases you want to search in one or all text entry areas. Select the patent fields to be searched with the selector to the right of each entry area. When using more than one area, choose the logical operator (AND or OR). You can get the text field definitions or you can view example queries.

For the last updated information of the database, see Currency of information.

Search For:
Date Search (Optional)
To restrict your search to a specific date range, you must select a date field below. For the date search coverage, see completeness of date fields.