Report:Derwent World Patents Index/Appendix I

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Appendix I: Patent Authority Coverage

The following table shows coverage dates for each country broken down by technology area. Dates of coverage for minor status and major status are shown separately, to illustrate the evolution of coverage for patenting authorities which may have started out with minor status. Major/minor status is a historical designation that was once used to indicate when an abstract and manual coding would be available for records from a given country. Currently, DWPI provides data equally no matter the historical major/minor designation.

The table produced below does not include document kind codes. See the Major Recent Updates section, above, for information on new document kind coverage that has been recently added to the database. For more information about the document kind codes available for each patent authority collection in DWPI, see "Publication Kind Codes in STN Patent Databases,"[1] a manual produced by STN for the comparison of three STN databases: INPADOCDB (an STN version of the INPADOC database produced by the EPO), Derwent World Patents Index (called WPINDEX on STN), and CAplus (a proprietary chemical patent and literature database produced by CAS). The PDF version of the document is available at http://www.stn-international.com/fileadmin/be_user/STN/pdf/search_materials/patents/pkcodes_us.pdf.

This table was sourced from the 6th edition of Global Patent Sources: An Overview of International Patents, a DWPI reference guide published by Thomson Scientific (the former name of the Thomson Reuters Intellectual Property Group) published in January of 2007.[2] This table was provided in August of 2010 in an e-mail communication from a Thomson Reuters representative.[3] The "Additional Information" column gives information about updates to the file that have taken place since the 2007 publication of Global Patent Sources.


Start Dates for Thomson Scientific Authority coverage, by Collection, and Major/Minor Country Designation

Authority Country code Coverage (from current GP document) Information CPI EPI EngPI Dates Additional information
Argentina AR A Examined granted patent Bibliographic B+Eq B+Eq B+Eq 1974-1976 only
Australia AU A Complete spec. OPI Bibliographic & Abstract B B B FARMDOC 18.01.1963
A1 Complete spec. OPI Bibliographic Eq Eq Eq AGDOC 01.04.1965
A2 Amended OPI document Manual Code B B - PLASDOC 03.03.1966
A4 Granted/OPI Innovation Patent Fragmentation Code B - - CPI (Sections A-M): 21.12.1982
A5 Amended pre-grant/OPI Innovation Patent Markush Code B - - EPI/EngPI (Sections P-X): 21.12.1982
A6 Amended post-grant/OPI Innovation Patent
A8 Corrected document (bibliography)
A9 Corrected document (specification)
B Accepted Patent
B1 Patent (without preceding A1)
B2 Accepted Standard - previously OPI
B3 Granted Petty - irrespective of whether previously OPI or not
B4 Certified Innovation Patent
B8 Corrected document (bibliographic data) B1 - B4
B9 Republished corrected version of any one of B1 - B4
Austria AT A Old Law application (examined accepted patent application) Bibliographic & Abstract B B B CPI (Sections A-M): 15.03.1975 Austrian Utility Models have been added to the existing coverage of Austrian Applications and Granted Patents in the file. Those identified as a basic will include an English title and abstract, and DWPI manual coding where applicable.
A1 Publication of application with search report Bibliographic Eq Eq Eq EPI/EngPI (Sections P-X): 15.03.1975
A2 Publication of application without search report Manual Code B B -
A3 Publication of search report Fragmentation Code B - -
A4 A2 document published on same day as th B document with no corresponding A3 Markush Code B - -
A5 Examined patent application laid open
A8 Corrected title page of Austrian A document
A9 Complete reprint of Austrian A document
B Old Law patent (granted patent)
B1 Patent
B2 Patent amended after opposition
B8 Corrected title page of Austrian B document
B9 Complete reprint of Austrian B document
Belgium BE A Patent Bibliographic & Abstract B B B FARMDOC 25.01.1963
A0 Unexamined application Bibliographic Eq Eq Eq AGDOC 01.04.1965
A3 20 Year patent of invention - initial text with search report Manual Code B B - PLASDOC 25.04.1966
A4 20 Year patent of invention - Changed/corrected text with search report Fragmentation Code B - - CPI (Sections A-M): 16.01.1970
A5 20 Year patent of invention - amended claims and search report Markush Code B - - EPI/EngPI (Sections P-X): 25.02.1974
A6 6-year patent of invention text as filed
A7 6-year patent of invention changed/corrected text
B Patent of invention - second publication with search report - B3, B5, B6, B7
T Transfer to BE national patent from EP application – T7
Brazil BR A Unexamined application Bibliographic & Abstract B - - CPI (Sections A-M): 16.12.1975 Now treated as a major country, coverage was extended to include Utility Models, and the level of added value has been improved with more detailed DWPI abstracts.

A3 Pipeline patent application Bibliographic Eq B+Eq B+Eq EPI/EngPI (Sections P-X): 16.12.1975 Records classified in sections ABCE will also have deep indexing applied - polymer indexing, Markush indexing, fragmentation codes and/or Derwent Chemistry Resource (DCR) indexing.
Manual Code B B - Brazilian Inventor names were translated to ensure the forename and surname are correctly formatted.
Fragmentation Code - - -
Markush Code - - -
Canada CA A Examined Granted Patent - Old Law Bibliographic & Abstract B B B FARMDOC 29.01.1963 Bibliographic information for Canadian PCT transfers added to patent family of DWPI records published from January 2008 onwards
A1 Unexamined Patent - New Law - from 16.10.1990 Bibliographic Eq Eq Eq AGDOC 06.04.1965
B Reissue (Old Law) Manual Code B B - PLASDOC 26.04.1966
C Granted Patent - Old and New Law - from 16.10.1990 Fragmentation Code B - - CPI (Sections A-M): 06.01.1970
E Reissue - Old and New Law - from 16.10.1990 Markush Code B - - EPI/EngPI (Sections P-X): 05.03.1974
F Re-Examination - from 16.10.1990
China CN A Unexamined application Bibliographic & Abstract B B B CPI (Sections A-M): 10.09.1985 Chinese Utility Models published from June 2007 forwards added to DWPI in October 2007
C Granted patent from 01.01.1993 Bibliographic Eq Eq Eq EPI/EngPI (Sections P-X): 10.09.1985 Chinese Utility Model Backfile was completed so all published Utility Models from January 2007 to date are covered.
Manual Code B B - CPI/EPI manual coding applied to all relevant records
Fragmentation Code - - - Full Alerting Abstract with associated drawing
Markush Code - - - Chinese patent kind codes were updated in accordance with IP kind changes implemented by the Chinese Patent Office.
The Czech Republic CZ A3 Unexamined patent application (from 199417) Bibliographic & Abstract - - - CPI (Sections A-M) 01.01.1993 (unexamined) For DWPI records published from 9th July 2008 forwards, inclusion of all claims in member level in English for Chinese patents (Jan 2007 onwards) and Utility Models (June 2007 onwards)
B6 Granted application (from 199417) Bibliographic B+Eq B+Eq B+Eq 17.03.1993 (granted)
Manual Code B B - EPI/EngPI) (Sections P-X) 01.01.1993 (unexamined)
Fragmentation Code - - - 17.03.1993 (granted)
Markush Code - - -
Czechoslovakia (archive) CS A Examined accepted specification Bibliographic & Abstract B B B CPI (Sections A-M): 28.03.1975
A1 Patent application Bibliographic Eq Eq Eq EPI/EngPI (Sections P-X): 28.03.1975
A2 Patent application published in the course of examination (from 199232) Manual Code B B -
B Granted patent (from 199301) - issued as CS patents until 16.03.1993 Fragmentation Code - - -
Markush Code - - -
Denmark DK A Open for public inspection application Bibliographic & Abstract B - - CPI (Sections A-M): 14.10.1974
B Granted patent (from 199301) Bibliographic Eq B+Eq B+Eq EPI/EngPI (Sections P-X): 14.10.1974
Manual Code B B -
Fragmentation Code - - -
Markush Code - - -
European Patents EP A Open for public inspection application (pre-199220) Bibliographic & Abstract B B B CPI (Sections A-M): 20.12.1978 (unexam.) EP B3 patent limitations from Oct 2008 (family information) – added Nov 2008
A1 Open for public inspection application - includes examiner’s search report (from Bibliographic Eq Eq Eq 07.01.1981 (granted)
199220) Manual Code B B - EPI/EngPI (Sections P-X): 20.12.1978 (unexam.)
A2 Open for public inspection application - examiner’s search report not included (from Fragmentation Code B - - 07.01.1981 (granted)
199221) Markush Code B - -
A3 Examiner’s search report only for A2 (from 199221)
A4 Supplementary Search Report
A8 Corrected title page of an A document
A9 Complete reprint of an A document
B Examined granted patent (pre-199220)
B1 Examined granted patent (from 199220)
B2 Amended patent (from 199220)
B8 Corrected title page of a B document
B9 Complete reprint of a B document
Finland FI A Unexamined application Bibliographic & Abstract - - - CPI (Sections A-M): 30.09.1974
B Examined patent application (from 199302) Bibliographic B+Eq B+Eq B+Eq EPI/EngPI (Sections P-X): 30.09.1974
B1 Granted patent (from 199733) Manual Code B B -
Fragmentation Code - - -
Markush Code - - -
France FR A Granted patent (until 1979) Bibliographic & Abstract B B B Unexamined: French Granted patents (FR B) have been added to the existing coverage of French Applications.
A Open for public inspection application (from 1969) Bibliographic Eq Eq Eq FARMDOC 01.02.1963
A1 Open for public inspection application Manual Code B B - AGDOC 02.04.1965
A2 Application for certificate of addition Fragmentation Code B - - PLASDOC 29.04.1966
A3 Application for certificate of utility Markush Code B - - CPI (Sections A-M): 14.11.1969
E Certificate of Addition to a patent of invention (until 1969) EPI/EngPI (Sections P-X): 18.01.1974
M Special patent for medicament or certificate of addition to it (until 1979) Medicament:
FARMDOC 04.02.1963
Germany (archive) DD A Economic patent Bibliographic & Abstract B B B FARMDOC 01.01.1963
A5 Patent specification (exclusive patent) Ausschliessungspatent (AS) Bibliographic Eq Eq Eq AGDOC 05.04.1965
A7 Patent specification (exclusive and searched) Ausschliessungspatent Manual Code B B - PLASDOC 05.05.1966
A8 Addition to exclusive patent Fragmentation Code B - - CPI (Sections A-M): 20.10.1969
A9 Open for public inspection application Offenlegungsschrift Markush Code B - - EPI/EngPI (Sections P-X): 05.01.1974
B Economic patent
B1 Economic patent, searched and examined Wirtschaftspatent
B3 Exclusive patent, searched and examined Ausschliessungspatent
B5 Patent specification following on A7 after an objection
C Examined granted patent Wirtschaftspatent
C4 Examined and searched patent (exclusive patent) Ausschliessungspatent
Germany DE A OPI application and examined accepted specification Bibliographic & Abstract B (DE-A) B (DE-A) B (DE-A) B-Status
A1 OPI application and examined accepted specification B+Eq* B+Eq* B+Eq* FARMDOC 31.01.1963
A8 Correction of patent application from 2004 (biblio) (DE-B/C/U) (DE-B/C/U) (DE-B/C/U) AGDOC 01.04.1965
A9 Correction of patent application from 2004 (text) Bibliographic Eq* (DE-A/G/T) Eq* (DE-A/G/T) Eq* (DE-A/G/T) PLASDOC 28.04.1966
B Examined accepted specification, from 1974 Manual Code B (DE-A/B/C/E/G/T/U) B(DE-A/B/C/E/G/T/U) - A+B Status
B3 Patent, First Publication, from 200401 Fragmentation Code B(DE-A/B/C/E/G/T/U) - - CPI (Sections A-M): 02.01.1970
B4 Patent, Second Publication, from 200401 Markush Code B(DE-A/B/C/E/G/T/U) - - EPI/EngPI (Sections P-X): 07.03.1974
B8 Correction of granted patent from 2004 (biblio)
B9 Correction of granted patent from 2004 (text)
C Granted patent, from 1981 week 8138 to 199252
C1 Patent - first publication, from 199301
C2 Patent - second publication, from 199301
C5 Modified patent (from 2004)
C8 Reprint title page
C9 Reprint complete
E Granted EP assigned DE number, EP published in English or French
G Granted EP assigned DE number, EP published in German
T PCT transfer to DE
T2 Translation of EP patent - published document (included from 2005)
T5 Translation of WO application (from 2004)
T8 Reprint title page
T9 Reprint complete
U Gebrauschsmuster (Utility Model)
U1 Gebrauschsmuster (Utility Model)
U8 Correction of utility model from 2004 (biblio)
U9 Correction of utility model from 2004 (text)
Hungary HU A Open for public inspection application Bibliographic & Abstract B - - CPI (Sections A-M): 28.05.1975
A Patent (new law) not published at application stage Bibliographic Eq B+Eq B+Eq EPI/EngPI (Sections P-X): 28.05.1975
A1 Unexamined application Manual Code B B -
A1 Publication of patent application with search report (1995 law) Fragmentation Code - - -
A2 Publication of patent application without search report (1995 law) Markush Code - - -
B Granted patent with search report (from 199302)
B1 Granted patent
H Open for public inspection application (old law) (from 199223)
T Examined application (old law) (from 199223)
India IN B Complete specification accepted Bibliographic & Abstract B B B All CPI and EPI/EngPI sections covered from first publication date of 2005. Indian coverage now extended back to January 2000
I1 Application - filed in Delhi Bibliographic Eq Eq Eq
I2 Application - filed in Kolkata Manual Code B B -
I3 Application - filed in Mumbai Fragmentation Code B - -
I4 Application - filed in Chennai Markush Code B - -
P1 PCT application - national phase - Delhi
P2 PCT application - national phase - Kolkata
P3 PCT application - national phase - Mumbai
P4 PCT application - national phase - Chennai
International Technology Disclosures TP A Scientific literature disclosure Bibliographic & Abstract B B B CPI (Sections A-M): 25.01.1984
Bibliographic - - - EPI/EngPI (Sections P-X): 25.01.1984
Manual Code B B -
Fragmentation Code B - -
Markush Code B - -
Ireland IE A Patent specification (1963-69) Bibliographic & Abstract B B B CPI 25.01.1995
B Granted patent (from 199517) - 20 year patent Bibliographic Eq Eq Eq EPI/EngPI 25.01.1995
B3 Short term patent (from 199517) - 10 year patent Manual Code B B -
Fragmentation Code B - -
Markush Code B - -
Israel IL A Accepted application open for public inspection Bibliographic & Abstract B - - CPI (Sections A-M): 13.03.1975
Bibliographic Eq B+Eq B+Eq EPI/EngPI (Sections P-X): 13.03.1975
Manual Code B B -
Fragmentation Code - - -
Markush Code - - -
Italy IT B Unexamined granted patent Bibliographic & Abstract - - - PLASDOC 19.09.1966
Bibliographic B+Eq B+Eq B+Eq CPI (Sections A-M): 30.09.1977
Manual Code B B - EPI/EngPI (Sections P-X): 30.09.1977
Fragmentation Code - - -
Markush Code - - -
Japan JP A Unexamined application open for public inspection (Kokai) Bibliographic & Abstract B(JP-A/B) B(JP-A/B) B(JP-A/B) Examined Utility models from January 2008 onwards added to DWPI in April 2008
B Examined accepted specification (Kokoku) Bibliographic B+Eq B+Eq - FARMDOC 09.01.1963 Machine Assisted Translations for author title, abstract and 1st claim for any JP A, B or Utility Model in the patent family added May 2008 (from update 200824)
B1 Examined accepted specification not previously published as unexamined Manual Code B B - AGDOC 01.04.1965
B2 Examined accepted specification (Kokoku) (from 199404) Fragmentation Code B - - PLASDOC 08.04.1966
B2 Granted patent (Toroku) (from 199626) Markush Code B - - CPI (Sections A-M): 05.01.1970
W World patent application (PCT) transfer originating from abroad EPI/EngPI (Sections S-X): -
X World patent application (PCT) transfer originating from Japan
Y World patent application (PCT) transfer to Utility Model originating from abroad
Z World patent application (PCT) transfer to Utility Model originating from Japan
Korea, South KR A Unexamined Patent application (from 199801, publication date 08/01/1997) Bibliographic & Abstract B B B CPI (Sections A-M): 30.01.1986 Korean Utility Models from Jan 2008 0nwards added to DWPI July 2008.
B Examined patent application Bibliographic Eq Eq Eq EPI/EngPI (Sections P-X): 30.01.1986 Machine translations of all claims from Jan 2008 onwards added to DWPI record from July 2008
B1 Examined patent application (from 199252) Manual Code B B - Full value add treatment – DWPI titles/abstracts and deep indexing for all basics from Jan 2008 onwards started July 2008
B2 Examined patent application (1st publication) Fragmentation Code - - - In accordance with the Korean Intellectual Property Office's amended policy, the PCT data entering the Korean national phase includes the international filing date (PCT filing date) as the application date of the Korean patent application.

Markush Code - - - The DWPI bibliographic date includes the usual fields and the corresponding information links the applications to the original PCT data.
Luxembourg LU A Unexamined granted patent Bibliographic & Abstract B - - CPI (Sections A-M): September 1984
Bibliographic B+Eq B+Eq B+Eq EPI/EngPI (Sections P-X): September 1984
Manual Code B B -
Fragmentation Code - - -
Markush Code - - -
Mexico MX A Granted (Old Law) Bibliographic & Abstract B B B CPI 01.01.1997
A1 Application (18 month) Bibliographic Eq Eq Eq EPI/EngPI 01.01.1997
A2 Application (published earlier 18 month) Manual Code B B -
A4 Regional Filing - JL (Jalisco) Fragmentation Code - - -
A5 Regional Filing - NL (Nuevo Leon) Markush Code - - -
A6 Regional Filing - YU (Yucatan)
A7 Regional Filing - GT (Guanajuato)
B Granted (New Law)
Netherlands NL A Unexamined application Bibliographic & Abstract B B B Unexamined:
A1 New law unexamined application Bibliographic Eq Eq Eq FARMDOC 13.07.1964
B Examined patent Manual Code B B - AGDOC 02.04.1965
C Granted patent (old law) Fragmentation Code B - - PLASDOC 02.05.1966
C2 20 Year new law granted patent Markush Code B - - CPI (Sections A-M): 31.01.1970
C6 Six year new law petty patent EPI/EngPI (Sections P-X): 26.02.1974
New Zealand NZ A Examined patent (from 199301) Bibliographic & Abstract B B B CPI (Sections A-M): 28.10.1992
Bibliographic Eq Eq Eq EPI/EngPI (Sections P-X): 28.10.1992
Manual Code B B -
Fragmentation Code B - -
Markush Code B - -
Norway NO A Unexamined application open for public inspection Bibliographic & Abstract - - - CPI (Sections A-M): 04.11.1974
B Examined application (from 199301) Bibliographic B+Eq B+Eq B+Eq EPI/EngPI (Sections P-X): 04.11.1974
B1 Granted patent (from 199718) Manual Code B B -
Fragmentation Code - - -
Markush Code - - -
Patent Cooperation Treaty WO A Open for public inspection application (from 197849) Bibliographic & Abstract B B B CPI (Sections A-M): 19.10.1978
A1 Open for public inspection application with examiner’s search report (from 199220) Bibliographic Eq Eq Eq EPI/EngPI (Sections P-X): 19.10.1978
A2 Open for public inspection application without examiner’s search report (from 199220) Manual Code B B -
A3 Open for public inspection application search report for A2 (from 199220-1998) only; citations are now available in DPCI Fragmentation Code B - -
Markush Code B - -
Philippines PH A Old Law Granted Patent (ended June 1999) Bibliographic & Abstract B B B CPI 29.01.1992 Applications and Utility Models coverage added from Jan 2010
B New Law Granted Patent (started October 1999) Bibliographic Eq Eq Eq EPI/EngPI 13.01.1992
B1 New Law Granted Patent (started October 1999) Manual Code B B -
B2 Amended New Law Granted Patent Fragmentation Code - - -
Markush Code - - -
Portugal PT A Application open for public inspection Bibliographic & Abstract B - - CPI (Sections A-M): 04.10.1974
A1 Application open for public inspection (from 200238) Bibliographic Eq B+Eq B+Eq EPI/EngPI (Sections P-X): 04.10.1974
Manual Code B B -
Fragmentation Code - - -
Markush Code - - -
Research Disclosure RD A Scientific literature disclosure Bibliographic & Abstract B B B CPI (Sections A-M): 01.1978
Bibliographic - - - EPI/EngPI (Sections P-X): 01.1978
Manual Code B B -
Fragmentation Code (up to March 10th 2001) B - -
Markush Code (up to March 10th 2001) B - -
Romania RO A Granted patent according to 1997 law Bibliographic & Abstract B - - CPI (Sections A-M): 01.06.1975 Romanian Applications (RO A) have been added to the existing coverage of Granted patents. Those identified as a basic will include an English title and abstract, and DWPI manual coding where applicable.
B Granted patent (1991 Law) (from 199349) Bibliographic Eq Eq Eq EPI/EngPI (Sections P-X): 01.06.1975
B1 Granted patent (1991 Law) (from 199349) Manual Code B B -
Fragmentation Code - - -
Markush Code - - -
Russian Federation (Soviet Union) RU (SU) C Patent Bibliographic & Abstract B B B FARMDOC Jan 1963
C1 Patent Bibliographic Eq Eq Eq AGDOC Apr 1965
C2 Patent Manual Code B B - PLASDOC Jun 1966
C9 Reissued Patent Fragmentation Code B - - CPI (Sections A-M): Dec 1969
Markush Code B - - EPI/EngPI (Sections P-X) 1974
Singapore SG A Registrations via GB or EP designating GB (from 199513) Bibliographic & Abstract B B B CPI 13.01.1995
A1 Patent application (from 199631) Bibliographic Eq Eq Eq EPI/EngPI 13.01.1995
Manual Code B B -
Fragmentation Code - - -
Markush Code - - -
Slovakia SK A3 Patent Applications according to Law 527/90 Bibliographic & Abstract B - - CPI 07.07.1993
B6 Granted Applications according to Law 527/90 Bibliographic B+Eq B+Eq B+Eq EPI/EngPI 07.07.1993
Manual Code B B -
Fragmentation Code - - -
Markush Code - - -
South Africa ZA A Unexamined patent specification Bibliographic & Abstract B B B FARMDOC 23.01.1963
AA Second patent specification with same number Bibliographic Eq Eq Eq AGDOC 07.04.1965
Manual Code B B - PLASDOC 03.05.1966
Fragmentation Code B - - CPI (Sections A-M): Feb. 1970
Markush Code B - - EPI/EngPI (Sections P-X): Feb. 1974
Spain ES A Unexamined granted patent (old law) Bibliographic & Abstract B - - CPI (Sections A-M): 01.07.1983 Now treated as a major country, coverage was extended to include Utility Models, and the level of added value has been improved with more detailed DWPI abstracts.

A1 Open for public inspection application (New Law) - from 1987 Bibliographic Eq B+Eq B+Eq EPI/EngPI (Sections P-X): 01.07.1983 Records classified in sections ABCE will also have deep indexing applied - polymer indexing, Markush indexing, fragmentation codes and/or Derwent Chemistry Resource (DCR) indexing.
A2 Certificate of addition Manual Code B B -
A6 OPI application published without search report Fragmentation Code - - -
B Granted patent from 1987 Markush Code - - -
B1 Granted patent with search report
B2 Granted patent with previous examination
T1 Translation of the claims with drawings of European patent
T3 Translation of granted European patent
Sweden SE A Unexamined Application open for public inspection Bibliographic & Abstract B B B CPI (Sections A-M): 23.09.1974
B Examined application (from 198701) Bibliographic Eq Eq Eq EPI/EngPI (Sections P-X): 23.09.1974
C2 Granted patent (new law) Manual Code B B -
Fragmentation Code B - -
Markush Code B - -
Switzerland CH A Granted unexamined patent Bibliographic & Abstract B B B FARMDOC 15.02.1963 Enhanced coverage of Swiss patent kinds (applications and granted patents) started in October 2009
A3 Searched and examined application (1978-) Bibliographic Eq Eq Eq AGDOC 15.04.1965
A5 Granted unexamined patent Manual Code B B - PLASDOC 15.01.1969
A8 Correction of A5 document (biblio only) Fragmentation Code B - - CPI (Sections A-M): 27.02.1970
A9 Correction of A5 document (full text) Markush Code B - - EPI/EngPI (Sections P-X): 15.05.1974
B Examined accepted specification (from 197837) CPI (Sections A-M): 01.01.1993
B5 Examined accepted specification EPI/EngPI (Sections P-X): 01.01.1993
Taiwan TW A Examined patent (old law) (from 1993 to 01.08.2004) Bibliographic & Abstract B B B CPI (Sections A-M): 01.01.1993 Coverage of Taiwanese applications resumed from January 2008
A Unexamined application (New Law) - from 200553 Bibliographic Eq Eq Eq EPI/EngPI (Sections P-X): 01.01.1993 Gap in TW A coverage 2005-2007 filled in
B1 Granted patent (New Law) (from 01.08.2004) Manual Code B B - Taiwan Utility Models added to DWPI records published from January 2008 onwards in October 20008
Fragmentation Code - - - Taiwanese Utility Model covered now extended back to January 2003.
Markush Code - - -
United Kingdom GB A Examined granted specification (<2000000) Bibliographic & Abstract B(GB-A) B(GB-A) B(GB-A) FARMDOC 06.02.1963 (Exam.)
A Open for public inspection application (2000000+) Bibliographic Eq Eq Eq AGDOC 07.04.1965 (Exam.)
B Examined granted patent (from 198206) Manual Code B B - PLASDOC 27.04.1966 (Exam.)
Fragmentation Code B - - CPI (Sections A-M): 07.01.1970 (Exam.)
Markush Code B - - 04.01.1979 (Unexam.)
06.01.1982 (Granted)
EPI/EngPI (Sections P-X): 13.03.1974 (Exam.)
04.01.1979 (Unexam.)
06.01.1982 (Granted)
United States of America US A Granted patent (prior to 02.01.2001) Bibliographic & Abstract B B B FARMDOC 29.01.1963
A1 Patent application publication - from March 2001 Bibliographic Eq Eq Eq AGDOC 06.04.1965
A2 Patent application publication (Republication) - from March 2001 Manual Code B B - PLASDOC 26.04.1966
A9 Patent application publication (Corrected publication) - from March 2001 Fragmentation Code B - - CPI (Sections A-M): 06.01.1970
B1, B2, B3, etc. Re-examination certificate - prior to 2001 (replaced by C1, C2, etc., from 2001) Markush Code B - - EPI/EngPI (Sections P-X): 05.03.1974
B1 Granted patent with no previously published application - from 2001
B2 Granted patent having a previously published application - from March 2001
C1, C2, C3, etc. Reexamination certificate - from 2001
E Reissue patent
H Defensive specification (replaced by Statutory Invention Registration)
N Kind code assigned by Thomson Scientific to NTIS published invention
application (from 198841)


Sources

  1. "Publication Kind Codes in STN Patent Databases," 2009. STN International website, http://www.stn-international.com/fileadmin/be_user/STN/pdf/search_materials/patents/pkcodes_us.pdf. Accessed on August 31, 2010.
  2. Global Patent Sources: An Overview of International Patents. 6th edition. London: Thomson Scientific, 2007. Pages 177-208. http://scientific.thomson.com/media/scpdf/global_patent_sources.pdf. Accessed on August 31, 2010.
  3. Personal e-mail communication from Thomson Reuters representative, August 2010.
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