How Does YouTube Handle Partial Copyright Matches in Multi-Source Edited Videos?

When creators use short clips from multiple copyrighted sources such as TV shows, news segments, or old movies in a transformative way (e.g. commentary, analysis, or mashups), how does YouTube's Content ID system handle overlapping or partial matches from different copyright owners? Does it prioritize one claim over another, or can multiple partial claims restrict monetization simultaneously? I'm curious how YouTube resolves disputes when the video is an original composition of mixed copyrighted content used under fair use.

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YouTube’s Content ID can apply multiple overlapping claims at once, and if disputes are raised, the uploader must contest them individually—there’s no prioritization, and monetization is restricted until all claims are resolved.

YouTube can give multiple claims at once, and usually all claimants share or block until you dispute it.