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Home / Expert Opinion / IP Frontiers: Pros and cons of filing a provisional patent application

IP Frontiers: Pros and cons of filing a provisional patent application

Provisional patent applications (PPAs) were authorized in the United States in 1995. PPAs have a one year life span whereupon they will expire if they are not converted into a non-provisional patent application (a regular application). For a variety of reasons, PPAs are often used as an alternative to initially filing a regular application by ...

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