He went on fighting the Frenchmen, until he was taken prisoner in Mondovì when the city surrendered to the French army, but subsequently freed after six days following the Armistice of Cherasco.

On 19 November 1796, he was promoted to captain and freed from his fealty's oath by the king, who awarded him the Knight's Cross of the Order of Saints Maurice and Lazarus for the stubborn loyalty he had shown.

Paulucci withstood this difficult situation and on 25 April 1812 was awarded the Order of St George 3rd class as a reward for feats of courage and bravery in the Caucasus against the Persians.

However, soon afterwards the preparations for war with Napoleon got underway and Paulucci was summoned to Saint Petersburg to be appointed Army Chief of Staff.

After the constitutional revolution in 1821, the Austrian Empire made political manoeuvres to exclude Carlo Alberto from the succession line, in hope to substitute him with Francesco IV d'Asburgo-Este.

After the coup d'état that, in France, brought Louis Philippe d'Orléans to power, Carlo Felice feared internal political struggles, and was eager to reinforce his army.

[16] Paulucci reorganised the Kingdom's infantry, increasing the number of the troops, modifying the brigade system and facing both enthusiastic approval and bitter critic, especially from the heir to the throne, Prince Carlo Alberto.

[19] Filippo Paulucci delle Roncole died in Nice on 25 January 1849, and was later buried in Mirandola, near Modena, in the church of Saints James and Philip.