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Do filing dates for US provisional patents qualify?
Zoe BollingerHi Solrac, provisional patents should be fine based on their earliest filing date in most cases. you can also take a look at this infographic to clarify which dates to use. https://www.patexia.com/how_to_date_your_prior_art_infographic.html If that does not answer your question if you email us with more detail we can give you a more precise response
Jul 7, 2015