The following items describe the various components which can make up a fully
			qualified patent identification number.

			Utility Patent		- 7 numeric positions
			
			Re-examination Certificate ( issued prior to 01/02/2001 )
			
				Utility			- "B"   followed by 7 numeric positions
				Design			- "BD"  followed by 6 numeric positions
				Plant			- "BP"  followed by 6 numeric positions, with leading zeros.
				Reissue			- "BRE" followed by 5 numeric positions
				Reissue Design	- "BRD" followed by 5 numeric positions
				Reissue Plant	- "BRP" followed by 5 numeric positions

			Re-examination Certificate ( issued on or after 01/02/2001 )

				Utility			- "C"	followed by 7 numeric positions.	
				Design			- "CD"	followed by 6 numeric positions
				Plant			- "CP"	followed by 6 numeric positions, with leading zeros.
				Reissue			- "CRE" followed by 5 numeric positions
				Reissue Design	- "CRD" followed by 5 numeric positions
				Reissue Plant	- "CRP" followed by 5 numeric positions

			Design Patent		- "D" followed by 6 numeric positions

			Statutory Invention Registration ( SIR ) 

				SIR Utility		- "H"	followed by 7 numeric positions
				SIR Design		- "HD"	followed by 6 numeric positions
				SIR Plant		- "HP"	followed by 6 numeric positions, with leading zeros

			Plant Patent	- "PP"	followed by 6 numeric positions, with leading zeros

			Reissue Patent

				Utility	-	"RE" followed by 5 numeric positions
				Design	-	"RD" followed by 5 numeric positions
				Plant	-	"RP" followed by 5 numeric positions

			Defensive Publications - "T" followed by 6 numeric positions	( issued from 11/05/1968 - 05/05/1987 )


			Trial Voluntary Protest Program (TVPP)

				"B" followed by 6 alphanumeric positions

			"X" Patent

				"X" followed by 7 numeric positions, with leading zeros

			"X" Reissue Patent

				"RX" followed by 4 numeric positions, with leading zeros

			Additional Improvements

				"AI" followed by 4 numeric positions

			Patent - Post Issuance Document

				Original Document Number

			Non-Patent Literature 

				"NP" followed by 4 numeric positions

			Test Target

				8 alphanumeric positions containing "TEST0001"

			Trademark Application

				8 numeric positions

			Trademark Registration

				7 numeric positions.