I still can't able to understand how priority date works.
Let's say I filed a provisional patent in Jan 2019. That specification contains nearly 95% of the real invention.
In Jun 2019, I filed one more provisional patent, it adds another 3% of the invention. We are at 98% now.
Finally, I file a non-provisional in Dec 2019 and it contains, all 100% of the invention.
Now when claiming priority, I would obviously go for the Jan 2019 date. But what happens to the 3% content disclosed in Jun 2019 and 2% content disclosed in Dec 2019. Just to be clear, these 5% of the content will be claimed in claims.
Do they all have Jan 2019 date as priority?