The hearing lasted 80 minutes, a league source told ESPN NFL Insider Adam Schefter. Those present included Pryor's agent Drew Rosenhaus and attorneys Jeff Pash, Adolpho Birch, Jeffery Kessler, David Feher, Tom DePaso and Richard Berthelsen.
Pryor was not at the hearing. He practiced on his own at the Raiders facility Thursday and was not available for comment.
Rosenhaus said it was a productive meeting and that he expected to get a ruling shortly.
Pryor and Rosenhaus had previously said they would not oppose the penalty the NFL imposed as a condition of making him eligible for the supplemental draft. However, sources told ESPN's Chris Mortensen last week that Rosenhaus informed the NFL Players Association that the former Ohio State quarterback wanted to move forward with the appeal.
Members of the NFLPA executive committee had pushed for the union to appeal the suspension. Charlie Batch of the Pittsburgh Steelers and Scott Fujita of the Cleveland Browns were particularly vocal about their concern that the punishment sent the wrong message. Though Goodell said he made the decision without consulting the NCAA, Fujita and Batch were concerned about collegiate violations carrying over to the NFL and Goodell making unilateral decisions on punishments.
Pryor's attorney, David Cornwell, filed a letter Aug. 26 saying he planned to appeal.
The Raiders drafted Pryor in the third round of the supplemental draft. He is behind both Jason Campbell and Kyle Boller on the Raiders quarterback depth chart and does not count against the Raiders roster while serving his suspension.
Information from ESPN senior NFL analyst Chris Mortensen contributed to this report.