Your visa expires before the decision comes
A national visa expiring mid-case in Warsaw, Poland does not make your stay unlawful. It changes what you can do at a border, which is the real problem.
Tag
Stamp
Can you leave Poland while your karta pobytu is pending?
Leaving Poland with a residence case open is the easy half. Coming back is the half that strands people — and the certificate is not an entry document.
What the stamp in your passport actually lets you do
Since 27 April 2026 the voivode no longer stamps passports in Poland. What the certificate that replaced it proves about your stay, work and travel.