It sounds like your query might have gotten cut off — were you looking for a paper on (as in the file-sharing site), or something else like pirate radio, pirate behavior in economics, or a specific literary character (e.g., "The Pirate" by Walter Scott)?
If you meant , here’s a useful academic paper: Larsson, S. (2013). "The Pirate Bay and the challenges of copyright enforcement in the digital age." International Journal of Law and Information Technology , 21(3), 246–269. It covers legal responses, the role of BitTorrent trackers, and the tension between copyright law and digital sharing. the pirate b