Field Name: Date Filed
Definition: Date Filed is the filing date for a patent application, as assigned by the issuing patent office. The Date Filed can be found on the line of a patent document labeled “Filed.”
Tooltip definition of the predicate: Filing date for a patent application.
Type of value (one of the following): date
Number of accepted values (one of the following): single
Constraints: Only applies when Subject has the “Is a” value “Patent”
Citation Required?: yes
Examples of proper use:
- ‘US Patent 10010322 Surgical instrument’ ‘Date Filed’ is ‘March 9, 2013’ - Citation: Patent Images
Examples of improper use:
- ‘US Patent 10010322 Surgical instrument’ ‘Date Filed’ is ‘July 3, 2018’ is incorrect because it is the Date of Patent value. Citation: Patent Images
Usage in other schemas: n/a