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Changes to CAS Patent Kind Codes

This table is a list of changes to patent kind codes for the CA basic patents and patent family members for the countries covered by CAS.

December 2006

Changes to CAS Patent Kind Codes
AT	A5	A	None	Document laid open
	E	T	None	Translation of European Patent specification
AU	A1	A	Publication Date before 20000101	Open to public inspection
	A5	A	Publication Date before 20010524	Open to public inspection
BR	A0	D0	None	Patent/Utility model filing
CA	A	C	Patent Number 1275151 or higher	Patent published before 1973
	A1	C	Patent Number 1275151 or higher	Patent published from October 16, 1990 or later
	A2	C2	Patent Number 1275151 or higher	Division of Patent
	AA	A1	None	Application laid open
	B	E	Patent Number 1275151 or higher	Reissue (first level)
CH	A	A5	Patent Number 559000 or higher	Patent without examination
	A4	D	None	Patent application before 1978
	B	B5	Patent Number 559000 or higher	Patent with examination
CS	B	B1	None	Inventor's certificate
	L	B4	None	Additional patent
	M	B3	None	Additional inventor's certificate
	P	B2	None	Basic patent
DD	C	A5	None	Provisional exclusive patent
	D	A7	None	Exclusive patent
	S	A8	None	Exclusive patent (additional)
	T	A3	None	Economic patent
	U	A4	None	Economic patent (additional)
	W	A6	None	Provisional exclusive patent (additional)
	Y	A2	None	Provisional economic patent (additional)
	Z	A1	None	Provisional economic patent (Hauptpatent)
DE	T	T0	Publication Date 20040101 or lower	Translation of publication of international application
	T	T5	Publication Date 20040101 or higher	Translation of publication of international application
DK	A5	A	None	Unexamined application open to public inspection
GB	A1	A	None	Application published
	B2	B	None	Patent granted
HU	A	A1	None	Unexamined patent application (deferred examination)
	O	A2	None	Examined patent application
	P	B	None	Patent/2nd publication
IL	A1	A	None	Application laid open to public inspection
IT	A	B	None	Patent
JP	A2	A	None	Document laid open to public inspection
	B4	B	None	Published examined patent application
	T2	T	None	Unexamined patent application on foreign application
PL	B	A5	None	Specification of principal inventor's certification
	L	B3	None	Specification of patent of addition
	M	A6	None	Specification of addition to inventor's certificate
	P	B1	None	Specification of principle patent
RO	B2	A3	None	Additional patent (Addition to inventor's certificate)
	B4	A7	None	Additional patent (Complementary description of an invention)
	B	A2	None	Inventor's certificate
	L	A7	None	Additional patent
	M	A3	None	Addition to inventor's certificate
	P	A1	None	Patent
SI	C	A	None	Patent
	C2	A2	None	Short term patent
SU	D	A3	None	Basic patent
	S	A4	None	Patent of addition
	T	A1	None	Basic inventor's certificate
	U	A2	None	Addition to inventor's certificate
TW	B1	B	None	Patent
US	A1	I5	Publication Date 20010101 or lower	Patent application publication date within the TVPP
	E	E1	Publication Date 20010101 or higher	Reissue
	H	I4	None	Defensive publication
	H1	H	Publication Date 20010101 or lower	Statutory invention registration (SIR)
WO	C1	A8	None	Modified first page
	C2	A9	None	Complete corrected document
ZA	A1	D	None	Patent specification (1 number for 2 applications)