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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.

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
AM Armenia A Patent of invention
A2 Provisional patent
U Utility model
AR Argentina A1 Patent Application
A2 Divisional Patent Application
A3 Additional Patent Application
A4 Independent Utility Model Application
A5 Divisional utility model application
A6 Additional Utility Model Application
AT Austria A Document Laid Open
A1 Oesterreichische Patentanmeldung (Application with search report)
A2 Oesterreichische Patentanmeldung (Application without search report)
A3 Oesterreichische Patentanmeldung (Search report)
A4 Oesterreichische Patentanmeldung (Post-Grant Application)
A9 Korrigierte Patentanmeldungen (Modified complete specification)
B/B1 Patentschrift (Patent)
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
BA Bosnia and Herzegovina A Patent application
B Granted patent
B1 Granted patent right former
D Granted patent
T Translation of EP
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
BO Bolivia A Patent application
U Utility model
BR Brazil A/A2 Pedido de Privilegio (Patent application)
A9 Modified complete specification of application for a patent of invention
B1 Granted Patent
B9 Corrected complete granted patent of invention
D0 Patent/Utility Model/Ind. Model/Ind. Design Appl. Filing 
E2 Application of certificate of addition of invention published without search report
F1 Granted certificate of addition of invention
U2 Utility Model Application
Y1 Granted Utility Model
BY Belarus A Patent application
C1 Granted patent
U Utility model
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 (Patent specification)
A1 Patentanmeldung (Patent application with search report)
A2 Patentanmeldung (Patent application without search report)
A3 Auslegeschrift/Fascicule de la Demande/Fascicolo della Dommanda (Document laid open)
A3 Separate search report with first page of patent application
A9 Patentschrift/Expose d'Invention/Exposto d'Invenzione (Complete patent modified/rectified)
B2 Modified Patent
B9 Patentschrift/Expose d'Invention/Exposto d'Invenzione (Patent with examination modified/rectified)
D Auslegeschrift/Fasciule de la Demande/Fascicolo della Domanda (Patent application before 1978)
CL Chile A1 Patent application
B Granted patent
U1 Utility model
Y Granted utility model
CN China, People's Republic of A Unexamined Patent Application
A9 Published patent invention application specification (full edition)
B Examined Application (April 7, 2010 and later)
C Granted Patent (2006-April 6, 2010)
C9 Corrected complete granted patent
U Granted Utility Model Patent (April 7, 2010 and later)
U9 Utility model patent (full reissue)
Y Granted Utility Model Patent (2006 - April 6, 2010)
CO Colombia A1 Patent Application
A2 Application derived from a PCT application
U1 Utility model 
CR Costa Rica A Patent Application
U Utility Model Application
CS Czechoslovakia B1 Popis Vynalezu k Autorskemu Osvedceni (Inventor's Certificate)
B2 Popis Vynalezu k Patentu (Basic Patent)
B3 Popis Vynalezu k Autorskemu Osvedceni (Additional inventor's certificate)
B4 Popis Vynalezu k Patentu (Additional patent)
B6 Patentovy Spis (Patent specification; 1990 Law)
CU Cuba A3 Certificate of a patent of invention
A7 Application for a patent of invention for a pharmaceutical product
B1 Granted patent of invention
B7 Certificate for a patent of invention for a pharmaceutical product
U Utility model application
CY Cyprus A Granted patent
A1 Patent application
B1 Granted patent
B2 Granted patent
T1 Translation of EP
CZ Czech Republic B6 Patentovy Spis (Patent specification)
DD German Democratic Republic A1 Patentschrift, Wirtschaftspatent (Formal examination - prov. econ. patent)
A2 Patentschrift, Wirtschaftspatent (Formal examination - prov. econ. patent; Additional)
A3 Patentschrift, Hauptpatent (Formal and essential examination - economic patent)
A4 Patentschrift, Hauptpatent (Formal and essential examination - economic patent; Additional)
A5/A6/A7/A8 Patentschrift, Ausschliessungspatent (Formal examination - prov. economic patent)
A9 Offenlegungsschrift (Document laid open - first publication)
B1 Patentschrift, Wirtschaftspatent (Granted patents - no sub. exam.)
B2 Granted patents (with sub. exam.)
B3 Patentschrift, Ausschliessungspatent (Exclusive patent Section 18) 
B5 Patentschrift (Document laid open - second publ.)
C2 Patentschrift, Wirtschaftspatent (Economic patent Section 19)
C4 Patentschrift, Ausschliessungspatent (Economic patent Section 19)
C5 Patentschrift (Document laid open - third publication)
DE Germany A/A1 Offenlegungsschrift (Document laid open - first publication)
A9 Corrected Complete Specification
B Auslegeschrift (published patent application)
B1 Auslegeschrift (Document laid open - first publication without A1)
B2 Auslegeschrift (Document laid open - second publication published after A1)
B3 Patentschrift (Patent - first publication without A1, B1 or B2)
B4 Patentschrift (Patent - second publication after A1 or B1)
B9 Corrected Complete Specification (Granted Patent)
C1 Patentschrift (Patent specification - first publication without A1, B1 or B2)
C2 Patentschrift (Patent specification second publication after B2)
C3 Patentschrift (Old law, Patent specification - third publication after A1 and B2)
C5 Geaenderte Patentschrift (Modified/revised patent)
C9 Berichtigung der Geaenderten Patentshrift (Revised patent, corrected complete specification)
T0/T5 Veroeffentlichung (Translation of published International Application)
U1 Gerbrauchsmusterschrift (Utility model)
U9 Corrected Complete Specification Utility Model
DK Denmark A Patentansogning (Patent application made available to the public)
A1 Patent application
A9 Completed corrected patent application
B Fremlaeggelsesskrift (Document laid open to public inspection)
B1 Meddett (Patent specification)
B2/B3/B4 Patentskrift (1993 Law: amended after opposition)
B9 Complete corrected granted patent
C Patent
U1 Utility Model application
U3 Utility Model Specification, without examination
U4 Utility Model Specification, with examination
U9 Complete corrected Utility Model application
Y3 Utility Model Specification, without examination, published after U1
Y4 Utility Model Specification, with examination, published after U1/U3
Y5 Amended registered Utility Model, without examination, published after U3
Y6 Amended registered Utility Model with examination, published after U3/U4
Y9 Complete corrected Utility Model specification
Z5 Amended registered Utility Model without examination, published after U1/U3
Z6 Amended registered Utility Model with examination, published after U1/Y3 or U1/Y4
Z9 Complete corrected amended registered Utility Model
DO Dominican Republic A Patent application
B Granted patent
U Utility model
Y Granted utility model
EA  EAPO (Eurasian Patent Organization)  B1  Patent 
B2 Amended Specification
B3 New specification after limitation procedure
B9 Corrected complete granted patent
EC Ecuador A Patent application
EE Estonia A Patenditaotlus (Published patent application)
A1 Amended patent application
B1 Patendikirjeldus (Granted patent)
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
B3 After limitation procedure
C0 Unitary Patent Marker
ES Spain A1 Patente de Invencion (Patent of invention)
A1 Solicitud de Patente (Patent application with search report)
A2 Certificado de Adicion (Certificate of addition)
A2 Solicitud de Patente (Patent application without search report)
A3 Patente de Importation (Patent of importation)
A5 Patent de Invencion (Fictive 2nd Publication)
A6 Patente de Invencion (1986 Law: Patent of invention without search report)
A9 Corrected complete patent application
B1 Patente de Grant (Patent published with search report)
B2 Patent de Grant (Patent published after examination without search report)
B9 Corrected complete granted patent
R1 Separately published search report
R2 Separately published international search report
T3 Patente de Invencion (Translation of granted EP Patent)
FI Finland A Unexamined application open to public inspection
B Kuulutusjulkaisu Utlaggningsskrift (Examined application)
B1/C Patenttijulkaisu Patentskrift (1996 Law: Patent)
B2 Amended granted patent after opposition procedure
B3 Granted patent after limitation    
FR France A Brevet d'Invention (Old law - Patent of invention)
A1 Demande de Brevet d'Invention (Application for patent of invention - first publication)
A2 Demande de Certificat d'Addition (Application for certificate of addition to a patent - first publication)
A3 Demande de Certificat d'Utilite (Application for certificate of utility - first publication)
A4 Demande de Certificat d'Addition a un Certificat d'Utilite (Application for a certificate of addition to a certificate of utility - first publication)
A5 Brevet d'Invention (Patent of invention published without A1 - first and only publication)
A6 Certificat d'Addition a un Brevet d'Invention (Certificate of addition to a patent of invention published without A2 - first and only publication)
A7 Certificat d'Utilite (Certificate of utility published without A3 - first and only publication)
A8 Certificat d'Addition a un Certificat d'Utilite (Certificate of addition to a certificate of utility published without A4 - first and only publication)
B1 Brevet d'Invention (Published after A1)
B2 Certificat d'Addition a un Brevet d'Invention (Patent of invention published after A2 - second publication)
B3 Certificat d'Utilite (Certificate of utility published after A3 - second publication)
B4 Certificat d'Addition a un Certificat d'Utilite (Certificate of addition to a certificate of utility published after A4 - second publication)
E Certificat d'Addition a un Brevet d'Invention (Old law: Certificate of addition to a patent of invention)
F Certificat d'Addition a un Brevet Special de Medicament (Additional patent for medicament)
M Brevet Special de Medicament (Special patent for medicament)
T Translation of European patent application
GB United Kingdom A Patent Application
A9 Corrected Complete Specification of Published Application
B Amended Patent Specification
GC Gulf Cooperation Council A Patent
GE Georgia A Patent Application
B Granted patent
U Utility model application
Y Granted utility model
GR Greece A Patent Application
B Granted patent
B1 Patent (Published without A)
B2 Patent (Published after A)
T3 Translation of European Patent
GT Guatemala A Patent application / divisional patent application
U Utility model application / divisional utility model application
HK Hong Kong A1 Patent
A2 Short-Term Patent Specification
HN Honduras A Patent application
B Granted patent
U Utility model application
Y Registered utility model
HR Croatia A2 Prijava Patenta (Patent application without search report)
A9 Complete reprint of a HR-A document
B1 Patentni Spis (Request recording grand rights)
B3 Short term Consensual patent
C1 Converted Consensual patent
HU Hungary A1 Halasztott Talalmanyi Bejelentes (Unexamined patent application)
A1 Szabadalmi Bejelentesek Kozzetetele (1996 Law: Patent application with search report)
A2 Teljes Talalmanyi Bejelentes (Unexamined patent application)
A2 Szabadalmi Bejelentesek Kozzetetele (1996 Law: Patent application without search report)
A3 Kulon Tajekoztatas Ujdonsagkutatasrol (1996 Law: Search report published)
B Szabadalmi Leiras (Patent specification)
B1 Szabadalmi Leiras (1996 Law: Patent without previous publication)
ID Indonesia A Patent application, or simple patent application
B Patent, or simple patent
IE Ireland A1 Patent Application
A2 Short-Term Patent Application
IL Israel A Patent Application
IN India A Patent Application
B Granted patent
IP Web publication   Technical disclosure from IP.com
IR Iran B Grant
IS Iceland A Patent application
A7 Patent application
B Patent grant
B2 Amended patent
B3 Amended patent
B6 Patent grant
T3 Translation of EP
IT Italy A1 Patent Application
B Patent
B1 Patent (granted)
JO Jordan A1 Patent application
B1 Granted patent
JP Japan A Kokai Tokkyo Koho (Published unexamined patent application)
B Tokkyo Koho (Published examined patent application)
B1 Tokkyo Koho (Granted patent without prior A)
B2 Tokkyo Koho (Granted patent with preceding publication)
B6 Corrected granted patent
T Kohyo Koho (Unexamined patent application on foreign application)
U Toroku Jitsuyo Shinan Koho (Registered Utility Model Application)
U6 Toroku Jitsuyo Shinan Koho Teisei (Correction to Registered Utility Model Application)
KE Kenya A Patent application
B Granted patent
D Patent application – duplicate number
T PCT National Phase
U Utility model application
Y Granted utility model
KG Kyrgyzstan A Application
B Granted patent
C1 Granted patent
U Utility model application
Y Utility model grant
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)
KZ Kazakhstan A Application
A4 Grant
B Grant
U Utility model application
Y Utlity model
LT Lithuania B Patento Aprasymas (Patent application)
LU Luxembourg

A1

Patent Application (With search report)

A2 Patent Application (Without search report)
B1 Granted patent
LV Latvia B

Iszinas (Patent publication)

MA Morocco A1 Patent application
MC Monaco A Brevet d'Invention (Patent of Invention)
E Certification of addition
MD Moldova A Cerere de Brevet de Inventie (Published non-examined patent application)
A0 Patent application published before 18 months
A1 Patent application published with search report
A2 Patent application published without search report
A3 Search report
A9 Modified complete specification
B1 Brevet de Inventie (Published examined patent application without A publication) / Granted patent
B2 Brevet de Inventie (Published examined patent application with A) / Granted patent amend after opposition or appeal
B9 Corrected complete granted patent
C1 Patent specification not preceded by B1 or B2 / Issued patent
C2 Patent specification preceded by B1 or B2 / Issued patent amended after opposition or appeal
C3 Issued patent amended after limitation or revocation
C9 Corrected complete patent specification / Corrected complete issued patent
F1 Brevet de Inventie Acordat (Dec. of grant without examination and without A)
F2 Brevet de Inventie Acordat (Dec. of grant without examination and published with A) 
G1 Patent without ex. and without F
G2 Patent without ex. and with F
G9 Corrected complete G1 or G2
I1 Utility model without ex. and without W
I2 Utility model without ex. and with W
U Unexamined application for utility model
U0 Short-term patent application
U9 Corrected complete utility model application
W1 Dec. of grant without ex. and without U
W2 Dec. of grant without ex. and with U
W9 Corrected complete W1 or W2
Y Granted short-term patent for invention
Y1 Publ. exam. Utility appl. without U publ.
Y2 Publ. exam. Utility appl. preceded by U  
Y3 Granted short-term patent amended after opposition or appeal
Y9 Corrected complete examined utility model application / Corrected complete granted short-term patent of invention
Z Issued short-term patent for invention
Z1 Utility model not preceded by Y1 or Y2
Z2 Utility model preceded by Y1 or Y2
Z3 Short-term patent of invention, issued after amendment following opposition or appeal
Z4 Short-term patent of invention, issued after amendment following  limitation or revocation
Z5 Extended short-term patent of invention
Z6 Extended short-term patent of invention, amended after extension procedure
Z9 Corrected complete issued or extended short-term patent of invention
ME Montenegro A Patent application
B Granted patent
MK Macedonia A Patent
MN Mongolia A1 Patent application
A6 Inventor’s certificate
A8 Inventor’s certificate of addition
B Granted patent
U Utility model
MT Malta B Granted patent
MW Malawi A1 Patent application
MX Mexico A Solicitud de Patente (Patent application)
B Granted patent/ granted utility model
MY Malaysia  Granted patents and utility models 
NI Nicaragua A Patent application
U Utility model
NL Netherlands A Terinzagelegging (Patent application laid open)
A1 Inschrijving (Registered specification laid open)
B Openbaargemaakte (Published patent application)
B9 Complete reprint of a B-document
C Octrooi (Patent)
C1 Octrooi - 6 yr. (Patent without search report)
C2 Octrooi - 20 yr. (Patent with search report)
NO Norway A Unexamined Patent Application
B Utlegningsskrift (Document laid open for public inspection)
B1 Patent (1997 Law)
B2 Granted after opposition
B3 Granted with admin. Limitation
C Patent
NZ New Zealand A Patent Application
PA Panama A1 Patent Application
A2 Division
U Utility model application
PE Peru A1 Patent application
Z Utility model
PH Philippines A Patent Application
A1 Application with search report    
A2 Application without search report
A3 Search report
B1 Granted Patent 
Z Utility Model Application 
PK Pakistan A Patent application
A0 Patent application notification
B Grant
PL Poland A5 Opis Patentowy (Inventor Certificate)
A6 Opis Patentowy (Inventor Certificate; Addition)
B1 Opis Patentowy (Patent)
B2 Opis Patentowy Patentu Tymczasowego (Provisional patent)
B3 Opis Patentowy (Additional patent)
B4 Opis Patentowy Patentu Tymczasowego (Provisional additional patent)
PT Portugal A Fasciculo de Patente de Invencao (Application for patent of invention)
A1 Modified patent application
B Fasciculo de Patente de Invencao (Granted Patent)
E Translation of EP
T Translation of European Patent for application for a utility model
PY Paraguay A Patent application
B Granted patent
Y Utility model
RD     Research Disclosure
RO Romania A0 Cerere de Brevet de Inventie (Patent Application)
A1 Descrierea Inventiei (Patent) 
A2 Descrierea Inventiei (Inventor Certificate)
A3 Descrierea Inventiei (Addition to Inventor Certificate)
A7 Complementary description of an invention
B Patent specification
B1 Granted patent as first publication
B2 Patent in the amended form subsequently to the revocation procedure
B3 Descrierea Inventiei (Patent - later supply of Romanian abstract) 
B9 Patent with corrections in the description, claims and/or drawings
RS Serbia A Patent application (<2012)
A1 Patent application w/ search report
A2 Patent application w/o search report
A3 Search report
B Granted patent (<2012)
B1 Granted patent
B2 Amended grant
B9 Complete corrected patent
U Utility model (<2012)
U1 Petty patent (utility model)
RU Russia C1 Vydannyi bez Predshestvuyushchei Publikatsii Zayavki (Patent for invention)
C2 Vydannyi s Predshestvuyushchei Publikatsii Zayavki (Patent for invention - second publication
Imperial Russia Patent 
Russian Applications
SA Saudi Arabia A Patent application
B1 Granted patent
SE Sweden A Patent application made available to the public
A0 Patent application filed
A1 Patent application
A2 Corrected patent application
A3 Patent application for provisional protection
B Utlaeggningsskrift (Document laid open for public inspection)
C Patentskrift (Granted patent)
C2 Patentskrift (1994 Law: Granted patent)  
C3 Corrected granted patent
T3 Translation of EP patent
SG Singapore A1 Patent Application
SI Slovenia A Patent
A2 Patent s Skrajsanim Trajanjem (Short term patent)
SK Slovakia B6

Patentovy Spis (Patent)

SM San Marino A Publication of application/Publication of application for PCT transfers
A1 Publication of application
B Granted patent
B1 Granted patent
T1 Translation of EP granted patent
T2 Granted patent for PCT transfers
SU USSR (Union of Socialist Soviet Republics) A1 Opisanie Izobreteniya k Avtorskomu Svidetel'stvu (Description of the invention for an inventor's certificate)
A2 Opisanie Izobreteniya k Avtorskomu Svidetel'stvu (Description of the invention for an inventor's certificate of addition)
A3 Opisanie Izobreteniya k Patentu (Description of the invention for a patent)
A4

Opisanie Izobreteniya k Patentu (Description of the invention for a patent of addition)

SV El Salvador A Patent application
U Utlity model
TH Thailand A Patent application
B Patent
U Utlity model
TJ Tajikistan A Patent application
B Granted patent
R3 Reregistration of SU patent
U Utility model
Y3 Petty patent
TN Tunisia A1 Patent application
TT Trinidad and Tobago B Granted patent
TR Turkey A1 Patent Basvurusu (Patent application with search report)
A2 Patent Basvurusu (Patent application without search report)
A3 Patent Basvurusu (Search report)
B Patent
T Patent applications filed through the Patent Cooperation Treaty and published together with the search report    
T1 Patent Basvurusu (Translation of WO international application with search report)
T2 Patent Basvurusu (Translation of WO international application without search report)
T3 Translated EP claims
TW Taiwan B Zhulanli Gongbao (Patent)
UA Ukraine A Declarative patent specification for invention
A1 Patent for invention, granted upon a USSR author’s certificate
C2 Patent for invention, granted upon the application, filed within the Patent Office of the USSR and for which no positive decision was taken, or Patent for invention
U Utility model
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
UY Uruguay A1 Patent application
UZ Uzbekistan B Grant
C Grant
U Utility model
VE Venezuela A Patent application
B Granted patent
U Utility model application
Y Granted utility model
VN Vietnam A Patent application
A1 Patent application
B Granted patent
U Utility model application
Y Granted utility model
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
A8 Modified first page
A9 Republished PCT International Application or PCT International Application Search Report
B1 Amended claims
YU Yogolavia A Patent application
B Patent specification
ZA South Africa

A

Patent Specification
D Patent Specification (Used to distinguish a document with the same number as one previously published)
ZM Zambia A1 Patent application
B Granted patent
ZW Zimbabwe A1 Patent for an invention