Law Lexicon
                      Pardon - An act of grace from governing power which mitigates punishment and restores rights and privileges forfeited on account of the offense. 
                      
                      ***
                      
                      Parol evidence - Oral or verbal evidence; evidence given by word of mouth in court. 
                      
                      ***
                      
                      Parole - Supervised release of a prisoner from imprisonment on certain prescribed conditions which entitle him to termination of his sentence. 
                      
                      ***
                      
                      Party - A person, business, or government agency actively involved in the prosecution of defense of a legal proceeding. 
                      
                      ***
                      
                      Patent - A grant to an inventor of the right to exclude others for a limited time from make, using, or selling his invention in the United States. 
                      
                      ***
                      
                      Patent and Trademark Office - The federal agency which examines and issues patents andregisters trademarks. 
                      
                      ***
                      
                      Peremptory challenge - Request by a party that a judge not allow a certain prospectivejuror as a member of the jury. No reason or cause need be stated. 
                      
                      ***
                      
                      Periodical - A publication which appears regularly but less often than daily. 
                      
                      ***
                      
                      Perjury - The criminal offense of making a false statement under oath. 
                        
                        Source: Jurist International.