First to file and first to invent
First to file and first to invent are legal concepts that define who has the right to the grant of a patent for an invention. Since 16 March 2013, after the USA abandoned its "first to invent/document" system, all countries have operated under the "first-to-file" patent priority requirement.
| Patent law |
|---|
| Overviews |
| Procedural concepts |
| Patentability requirements and related concepts |
| Other legal requirements |
| By region / country |
| By specific subject matter |
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