for regular users, no, i don’t think so. see this other thread for more discussion: https://forum.inaturalist.org/t/filter-for-observations-with-a-certain-number-of-identifications/20021
i think the only filters that sort of handle a subset of what you’re asking for would be &identified=false (observations with 0 identifications) and &identified=true (observations with at least 1 identification), but these have limited use cases.