negative regulation of protein desumoylation
Any process that decreases the frequency, rate or extent of protein desumoylation. Protein desumoylation is the process in which a SUMO protein (small ubiquitin-related modifier) is cleaved from its target protein.
GO:0060188
regulation of protein desumoylation
is_a
GO:1903321
negative regulation of protein modification by small protein conjugation or removal
is_a
GO:0016926
protein desumoylation
negatively_regulates