Patent Document ID: 8368924
Application ID: 12330858

Base Claim:
1. A method of printing a document having a printed copy detection pattern, comprising: receiving at an intermediate electronic device printer control commands from a computing device, said printer control commands including: (i) commands for printing based on document data, and (ii) an identification of a determined portion of the document data that is to be used in generating said printed copy detection pattern; generating in said intermediate electronic device copy detection pattern data using said determined portion of the document data and a cryptographic key stored in the intermediate electronic device; generating in said intermediate electronic device modified printer control commands, said modified printer control commands including commands for printing a first document portion based on the document data and a second document portion including said printed copy detection pattern based on said copy detection pattern data; and sending said modified printer control commands to a printing device for printing said first document portion and said second document portion.

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Claim 2:
2. The method according to claim 1 , wherein said printer control commands and said modified printer control commands are PCL commands.