It has been suggested by Chris Disspain that the following list was obtained through the abr, and other public registraties.  

Here are the business names register:
 trademark.com.au  
 compensation.com.au  
 personalinjury.com.au  
 patents.com.au  
 processserver.com.au  
 agreement.com.au  
 negligence.com.au  
 defamation.com.au  
 trademarkagent.com.au  
 incorporation.com.au  
 Guy & Associates Solicitors  

asic: Australian Trademark Centre Pty Ltd

Trade marks:
incorporation.com.au
trademark-attorney.com.au
trademarkaustralia
negligence.com.au
 

> agreement.com.au              above
> arbitration.net.au                      ?              
> audrp.com.au                            ?           
> audrp.net.au                               ?          
> austlii.com.au                              ?            
>  businessname.net.au                    ?         
> businessnames.net.au                    ?                   
> compensation.net.au             above       
> debt.net.au                                  ?          
> defamation.com.au                above                     
> defamation.net.au                   above                          
> discrimination.com.au                ?              
> discrimination.net.au                  ?                      
> guyassociates.net.au                   above            
> incorporation.com.au                above               
> industrialdesign.net.au                 ?                       
> industrialdesigns.com.au              ?          
> industrialdesigns.net.au                ?          
> injury.net.au                                ?          
> jazz.org.au                                  ?                      
> negligence.com.au                        ?          
> patentattorneys.com.au                 ?                     
> patent-attorneys.com.au               ?                      
> patents.net.au                              ?        
> personalinjury.net.au                    above                      
> privacy.net.au                              ?          
> processserver.net.au                     above         
> securities.net.au                            ?       
> trademark.net.au                           above         
> trademarkagent.com.au                   "       
> trademarkagents.com.au                  "      
> trademarkattorney.com.au                "       
> trademark-attorney.com.au               "                 
> trademarkattorney.net.au                  "      
> trademarkattorneys.com.au               "                 
> trademarkaustralia.com.au                 "                
> trademarklawyer.com.au                    ?      
> trademarks.org.au                              above                
> trademarksattorney.com.au                  "    
> trademarks-attorney.com.au                "               
> trademarksattorney.net.au                   "   
> trademarksattorneys.com.au                "   
> trademarkslawyer.com.au                    ?  
> trademarksolicitor.com.au                     ?              
> trademarkssolicitor.com.au                    ? 
> udrp.com.au                                         ? 
> udrp.net.au                                           ? 
> workcover.net.au                                   ? 
> worldlii.com.au                                      ?


How can these anomalies be accounted for?  The only answer is that this information came from the register and unless someone has been really really really really really busy the question begs?