First, it delays most discovery until after the relevant patent claims have been interpreted by the court. (eff.org)
After all, all documents filed in federal court are in PDF format, many deposition transcripts are in PDF format, and most discovery productions are provided in the format as well. (rocketlawyer.com)
History repeatedly provides the same answer (which, like most discoveries, only seems «obvious» after you've figured it out). (hussmanfunds.com)