Patent Kind Codes for CAS Basic and Patent Family Members

CAS has covered patents of chemical, biochemical and chemical engineering interest from 1907 to the present.

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

Kind Code List for Patents Covered
Country Code Country Kind Code Type of Publication or Document Title
AP African Regional Industrial Property Organization A Granted Patent
AR Argentina A1 Patent Application
A2 Divisional Patent Application
A3 Additional Patent Application
A4 Independent Utility Model Application
A6 Additional Utility Model Application
AT Austria A Document Laid Open
A1 Oesterreichische Patentanmeldung (With search report)
A2 Oesterreichische Patentanmeldung (Without search report)
A3 Oesterreichische Patentanmeldung (Search report)
A4 Oesterreichische Patentanmeldung (Post-Grant Application)
A9 Korrigierte Patentanmeldungen
B/B1 Patentschrift
T Translation of European Patent Application
AU Australia A OPI (Open to Public Inspection)
A1 Standard/Petty Application
A2 Amended Post OPI
A4 Granted/OPI Innovation Patent
A5 Pre-Granted/OPI Innovation Patent
A6 Amended Post Grant OPI
A9 Correction of an A Level Publication
B1/B2 Patent
B3 Petty Patent
B4 Certified Innovation Patent
B9 Correction of a B Level Publication
BE Belgium A/A1 Patent, French language
A2 Patent, Dutch language
A3 Patent, German language
A4 Improvement Patent, French
A5 Improvement Patent, Dutch
A6 Improvement Patent, German
A7 Patent of Importation, French
A8 Patent of Importation, Dutch
A9 Patent of Importation, German
T1 Transformation of EP Patent, French
T2 Transformation of EP Patent, Dutch
BG Bulgaria A Patent Application
B1 Granted Patent (2nd Level of Publication)
B2 Granted Patent
BR Brazil A/A2 Pedido de Privilegio
D0 Patent/Utility Model/Ind. Model/Ind. Design Appl. Filing
CA Canada A Patent/Brevet
A1 Patent Application
A2 Division of Patent Application
B/E Reissue of Patent
C Patent
C2 Patent Division
E Reissue of Patent
CH Switzerland A/A5/B/B1/B5 Patentschrift/Expose d'Invention/ Exposto d'Invenzione
A3 Auslegeschrift/Fascicule de la Demande/Fascicolo della Dommanda
A9 Patentschrift/Expose d'Invention/Exposto d'Invenzione (Complete patent modified)
B9 Patentschrift/Expose d'Invention/Exposto d'Invenzione (Patent with examination modified)
D Auslegeschrift/Fasciule de la Demande/Fascicolo della Domanda
CN China, People's Republic of A Unexamined Patent Application
B Examined Application
C Granted Patent
U Granted Utility Model Patent (April 7, 2010 and later)
Y Granted Utility Model Patent (2006 - April 6, 2010)
CR Costa Rica A Patent Application
U Utility Model Application
CS Czechoslovakia B1 Popis Vynalezu k Autorskemu Osvedceni (Author's Certificate)
B2 Popis Vynalezu k Patentu (Basic Patent)
B3 Popis Vynalezu k Autorskemu Osvedceni (Addition)
B4 Popis Vynalezu k Patentu (Addition)
B6 Patentovy Spis (Patent Document; 1990 Law)
CZ Czech Republic B6 Patentovy Spis (Patent Document)
DD German Democratic Republic A1 Patentschrift, Wirtschaftspatent (Formal examination)
A2 Patentschrift, Wirtschaftspatent (Formal examination; Addition)
A3 Patentschrift, Hauptpatent (Formal and essential examination)
A4 Patentschrift, Hauptpatent (Formal and essential examination; Addition)
A5/A6/A7/A8 Patentschrift, Ausschiessungspatent (Formal examination)
A9 Offenlegungsschrift
B1 Patentschrift, Wirtschaftspatent
B3 Patentschrift, Ausschliessungspatent
B5 Patentschrift
C2 Patentschrift, Wirtschaftspatent
C4 Patentschrift, Ausschliessungspatent
C5 Patentschrift
DE Germany A/A1 Offenlegungsschrift
A9 Corrected Complete Specification
B Auslegenschrift
B1 Auslegeschrift (Without A1)
B2 Auslegeschrift (Published after A1)
B3 Patentschrift (Published without A1, B1, or B2)
B4 Patentschrift (Published after A1 or B1)
B9 Corrected Complete Specification (Granted Patent)
C1 Patentschrift (Published without A1, B1, or B2)
C2 Patentschrift (2nd Publication after B2)
C3 Patentschrift (Old Law, Published After A1 and B2)
C5 Geaenderte Patentschrift (Modified Document)
C9 Berichtigung der Geaenderten Patentshrift (Revised Patent)
T0/T5 Veroeffentlichung (Translation of published International Application)
U1 Gerbrauchsmusterschrift
U9 Corrected Complete Specification (Utility Model)
DK Denmark A Patentansogning
B Fremlaeggelsesskrift
B1 Meddett
B2/B3/B4 Patentskrift (1993 Law)
C Patent
EA  EAPO (Eurasian Patent Organization)  B1  Patent 
EE Estonia A Patenditaotlus
B1 Patendikirjeldus
EG Egypt A Patent
EP EPO (European Patent Office) A1 Patent Application (With search report)
A2 Patent Application (Without search report)
A3 European Patent Application Search Report
A9 Modified Complete Specifications
B1 European Patent
B2 European Revised Patent
ES Spain A1 Patente de Invencion
A1 Solicitud de Patente (With search report)
A2 Certificado de Adicion
A2 Solicitud de Patente (Without search report)
A3 Patente de Importation
A5 Patent de Invencion (Fictive 2ne Publication)
A6 Patente de Invencion (1986 Law)
B1 Patente de Grant (With search report)
B2 Patent de Grant (Without search report)
T3 Patente de Invencion (Translation of granted EP Patent)
FI Finland A Unexamined Application
B Kuulutusjulkaisu Utlaggningsskrift
B1/C Patenttijulkaisu Patentskrift (1996 Law)
FR France A Brevet d'Invention (Old law)
A1 Demande de Brevet d'Invention
A2 Demande de Certificat d'Addition
A3 Demande de Certificat d'Utilite
A4 Demande de Certificat d'Addition a un Certificat d'Utilite
A5 Brevet d'Invention (Published without A1)
A6 Certificat d'Addition a un Brevet d'Invention (Published without A2)
A7 Certificat d'Utilite (Published without A3)
A8 Certificat d'Addition a un Certificat d'Utilite (Published without A4)
B1 Brevet d'Invention (Published after A1)
B2 Certificat d'Addition a un Brevet d'Invention (Published after A2)
B3 Certificat d'Utilite (Published after A3)
B4 Certificat d'Addition a un Certificat d'Utilite (Published after A4)
E Certificat d'Addition a un Brevet d'Invention (Old law)
F Certificat d'Addition a un Brevet Special de Medicament
M Brevet Special de Medicament
GB United Kingdom A Patent Application
A9 Corrected Complete Specification of Published Application
B Amended Patent Specification
GC Gulf Cooperation Council A Patent
GR Greece A Patent Application
B1 Patent (Published without A)
B2 Patent (Published after A)
T3 Translation of European Patent
HK Hong Kong A1 Patent
A2 Short-Term Patent Specification
HR Croatia A2 Prijava Patenta
B1 Patentni Spis
HU Hungary A1 Halasztott Talalmanyi Bejelentes
A1 Szabadalmi Bejelentesek Kozzetetele (1996 Law: with search report)
A2 Teljes Talalmanyi Bejelentes
A2 Szabadalmi Bejelentesek Kozzetetele (1996 Law: without search report)
A3 Kulon Tajekoztatas Ujdonsagkutatasrol (1996 Law)
B Szabadalmi Leiras
B1 Szabadalmi Leiras (1996 Law)
IE Ireland A1 Patent Application
A2 Short-Term Patent Application
IL Israel A Patent Application
IN India A Patent Application
A1 Patent Specification
IP Web publication   Technical disclosure from IP.com
IT Italy A1 Patent Application
B Patent
B1 Patent (granted)
JP Japan A Kokai Tokkyo Koho
B Tokkyo Koho (Examined patent application)
B1 Tokkyo Koho (Granted patent without prior A)
B2 Tokkyo Koho (Granted patent with preceding publication)
T Kohyo Koho
U Toroku Jitsuyo Shinan Koho (Registered Utility Model Application)
U6 Toroku Jitsuyo Shinan Koho Teisei (Correction to Registered Utility Model Application)
KR Korea, Republic of

A

Kongkae Taeho Kongbo (Unexamined Patent Application)

B1 Teuk-Hu Gong-Bo (Patent Specification)
U Gong-Gae Sil-Yong Sin-An Gong-Bo (Unexamined Utility Model)
Y1 Deung-Rok Sil-Yong Sin-An Gong-Bo (Examined Utility Model)
LT Lithuania B Patento Aprasymas
LU Luxembourg

A1

Patent Application (With search report)

A2 Patent Application (Without search report)
LV Latvia B

Iszinas

MC Monaco A Brevet d'Invention
MD Moldova A Cerere de Brevet de Inentie
B1 Brevet de Inventie
B2 Brevet de Inventie (Published with A)
F1 Brevet de Inventie Acordat
F2 Brevet de Inventie Acordat (Published with A)
MX Mexico A Solicitud de Patente
MY Malaysia  Granted patents and utility models 
NL Netherlands A Terinzagelegging
A1 Inschrijving
B Openbaargemaakte
C Octrooi
C1 Octrovi - 6 yr.
C2 Octrovi - 20 yr.
NO Norway A Unexamined Patent Application
B Utlegningsskrift
B1 Patent (1997 Law)
C Patent
NZ New Zealand A Patent Application
PH Philippines A Patent Application
PL Poland A5 Opis Patentowy (Inventor Certificate)
A6 Opis Patentowy (Inventor Certificate; Addition)
B1 Opis Patentowy
B2 Opis Patentowy Patentu Tymczasowego
B3 Opis Patentowy (Addition)
B4 Opis Patentowy Patentu Tymczasowego (Addition)
PT Portugal A Fasciculo de Patente de Invencao
B Fasciculo de Patente de Invencao (Granted Patent)
T Translation of European Patent
RD     Research Disclosure
RO Romania A1 Descrierea Inventiei (Patent)
A2 Descrierea Inventiei (Inventor Certificate)
A3 Descrierea Inventiei (Inventor Certificate; Addition)
A7 Descrierea Inventiei (Patent; Addition)
B1 Descrierea Inventiei (Inventor Certificate)
B3 Descrierea Inventiei (Patent)
RU Russia C1 Vydannyi bez Predshestvuyushchei Publikatsii Zayavki
C2 Vydannyi s Predshestvuyushchei Publikatsii Zayavki
  Imperial Russia Patent
  Russian Applications
SE Sweden A Unexamined Patent Application
B Utlaeggningsskrift
C Patentskrift
C2 Patentskrift (1994 Law)
SG Singapore A1 Patent Application
SI Slovenia A Patent
A2 Patent s Skrajsanim Trajanjem
SK Slovakia B6

Patentovy Spis

SU USSR (Union of Socialist Soviet Republics) A1 Opisanie Izobreteniya k Avtorskomu Svidetel'stvu
A2 Opisanie Izobreteniya k Avtorskomu Svidetel'stvu (Addition)
A3 Opisanie Izobreteniya k Patentu
A4

Opisanie Izobreteniya k Patentu (Addition)

TR Turkey A1 Patent Basvurusu (With search report)
A2 Patent Basvurusu (Without search report)
A3 Patent Basvurusu (Search report)
B Patent
T1 Patent Basvurusu (Translation of International Application with search report)
T2 Patent Basvurusu (Translation of International Application without search report)
TW Taiwan B Zhulanli Gongbao
US United States A Granted Patent (prior to 2001)
A0 Published Patent Applications (NTIS)
A1 Patent Application (Post 2000)
A2

Republished Patent Application (Post 2000)

A9 Corrected Patent Application (Post 2000)
B1 Granted Patent (Published without A1)
B2 Granted Patent (Published with A1)
B3 Reexamination Certificate (Prior to 2001)
C1/C2/C3/
C4/C5/C6/
C7/C8/C9
Reexamination Certificate (Post 2000)
E/E1 Reissue Patent
H/H1 Statutory Invention Registration
I4 Defensive Publication
I5 United States Patent Application (Trial Program)
P1 Plant Patent Application Publication
P2 Plant Patent Application Publication (Published without P1)
P3 Plant Patent Application Publication (Published with P1)
P9 Corrected Plant Patent Application
WO WIPO (World Intellectual Property Organization) A1 PCT International Application (With search report)
A2 PCT International Application (Without search report)
A3 PCT International Application Search Report
A9 Republished PCT International Application or PCT International Application Search Report
ZA South Africa

A

Patent Specification
D Patent Specification (Used to distinguish a document with the same number as one previously published)

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5/2/2013 1:41:32 PM