DWPI COVERAGE

 

Thomson Scientific sources patent data from 41 patent-issuing authorities and 2 journal sources.

 

The list below details the document types (Kind Codes) included in Derwent World Patents Index® for each authority.

 

Full details on starting dates for each authority can be found in Global Patent Sources.

 

Weekly country coverage information for Derwent World Patents Index® is also available on this site.

 

 

Argentina (AR)

A

Examined granted patent

Australia (AU)

A

OPI application

A1

OPI 1st publication or divisional standard/petty application

A2

Amended first publication

A4

Publication of granted innovation patent

A5

Amended pre-grant OPI innovation patent

A6

Amended post-grant OPI innovation patent

A8

Correction to bibliographic data of A level publication

A9

Correction to patent specification of A level publication

B

Examined and accepted patent

B1

1st publication of application at acceptance

B2

2nd publication of A1 application at acceptance

B3

2nd publication of A3 application at acceptance

B4

Publication of certified innovation patent

B8

Correction to bibliographic data of B level publication

B9

Correction to patent specification of B level publication

Austria (AT)

A

Examined accepted specification – Aufgebot

A1

Application with search report

A2

Application without search report

A3

Publication of search report

A4

 

A5

 

A8

 

A9

A2 published on same day as B document without A3

 

Supplementary Search Report (from 1 Aug 2005)

 

Modified first page (from 1 Aug 2005)

 

Modified complete specification (from 1 Aug 2005)

B

Granted patent – Patentschrift

B1

Patent

Belgium (BE)

A

Patent of invention

A0

Unexamined application (6 or 20 years)

A3

Initial text with search report

A4

Changed/corrected text with search report

A5

Text with amended claims and search report

A6

6-year patent of invention text as filed

A7

Corrected 6-year patent of invention

B3

Patent of invention - second publication of A3 (max. 20 years)

B5

Patent of invention - second publication of A5

B6

Patent of invention - second publication of A6

B7

Patent of invention - second publication of A7

T

Transfer to national patent from EP application

T7

European transfer

Brazil (BR)

A

 

A2

OPI application

 

OPI application (from March 2009)

A3

Pipeline patent application

Canada (CA)

A

Examined granted patent less than 2,000,000)

A1

OPI from 2,000,001 onwards

B

Reissue (old law)

C

Granted patent (old and new law)

E

Reissue patents (old and new law)

China (CN)

A

OPI application

C

 

Y

Examined patent application

 

Utility Model

Czechoslovakia (CS) 

A

Patent application

A1

Patent application

A2

Patent application

B

Examined granted patent

Czech Republic (CZ)

A3

Unexamined application

B6

Granted patent

Denmark (DK)

A

Granted patent (to 12.06.78) ; OPI application (from 1978)

B

Granted patent

European (EP)

A

OPI application

A1

OPI application with search report

A2

OPI application without search report

A3

Publication of search report

A4

Supplementary search report

A8

Corrected title page of an A document

A9

Complete reprint of an A document

B

Examined granted specification

B1

Examined granted specification

B2

 

B3

Amended specification

 

After limitation procedure

B8

Corrected title page of a B document

B9

Complete reprint of a B document

Finland (FI)

A

Granted patent (until 1969); OPI application (from 1969)

B

Examined patent application

B1

Granted patent (new law)

France (FR)

A

OPI application (from 1969)

A1

OPI application (1st publication)

A2

Application for certificate of addition

A3

Application for certificate of utility

E

Certificate of addition (until 1969)

M

Medicament (addition) (until 1979)

Germany – East (DD)

A

Examined granted patent

A3

Economic patent (searched and examined)

A4

Economic patent (additional)

A5

Exclusive patent

A7

Exclusive patent (searched)

A8

Exclusive patent of addition (searched and examined)

A9

OPI application (after 1.5.1992)

B

Re-examined after grant

B1

Economic patent, searched and examined

B3

Exclusive patent, searched and examined

B5

Patent specification following A7 after objection

C

Examined granted patent

C2

Economic patent (section 19) or corrected/amended (section 23)

C4

Granted examined exclusive patent

C5

Patent specification, 3rd publication

T9

Translation under Havana Agreement

Germany (DE)

A

OPI application (from 1968; examined accepted (pre 1974)

A1

OPI application before examination (from 199301)

A5

Title page for PCT application filed in German (from 2007)

A8

Correction of patent application (bibliographic)

A9

Correction of patent application (claims, description or drawings)

B

Examined accepted specification (from 1974-1981)

B3

Examined patent – 1st publication (from 200404)

B4

Examined patent – 2nd publication (from 200404)

B8

Correction of examined patent (bibliographic)

B9

Correction of examined patent (claims, description or drawings)

C

Granted patent from 1981 (from 198138)

C1

Examined patent – 1st publication (from 199252)

C2

Examined patent – 2nd publication (from 199262)

C5

Modified granted patent (previously C3)

C8

Correction of modified patent (bibliographic)

C9

Correction of modified patent (claims, description or drawings)

E

Granted EP in English or French assigned DE number

G

Granted EP in German assigned DE number

T

PCT transfer to DE published in German

T0

PCT transfer to DE published in non-German language

T2

Translation of granted EP from English or French

T5

Translation of PCT international announcement (from June 2005)

T8

Correction of EP application (bibliographic)

T9

Correction of EP application (claims, description or drawings)

U

Utility Model

U1

Utility Model (from 199626)

U8

Correction of Utility Model (bibliographic)

U9

Correction of Utility Model (claims, description or drawings)

Hungary (HU)

A

OPI application (examination requested or deferred examination)

A1

Unexamined patent application (deferred examination)

A2

Examined patent application (new law)

B

Patent with search report (from 199302)

B1

Granted patent

H

OPI application (from 199223)

T

English abstract of HU patent (from 199223)

India (IN)

B

Pre opposition granted application

I1

Pre-grant application – Delhi

I2

Pre-grant application – Kolkata

I3

Pre-grant application – Mumbai

I4

Pre-grant application – Chennai

P1

National phase PCT application – Delhi

P2

National phase PCT application – Kolkata

P3

National phase PCT application – Mumbai

P4

National phase PCT application – Chennai

International   Technology Disclosures (TP)

A

International Technology Disclosure

Ireland (IE)

A

Patent Specification

B

Granted patent (from 199517) - 20 year patent

B3

Short patent (Online from 199517) - 10 year patent

Israel (IL)

A

Application for patent of invention

Italy (IT)

A

Patent

B

Patent of invention – 2nd publication

Japan (JP)

A

OPI application (Kokai)

B

Application published after examination (Kokoku)

B1

Examined accepted specification not published as unexamined (Tokkyo koho)

B2

 

 

U

Examined application (Kokoku 199404-199618); Granted patent (Toroku) from 199626

 

Utility Model

W

PCT transfer (origin abroad)

X

PCT transfer (origin Japan_

Y

PCT transfer to Utility Model (origin abroad)

Z

PCT transfer to Utility Model (origin Japan)

Republic of Korea (KR)

A

Application (from 199801)

B

Examined patent specification

B1

Examined patent specification (from 199252)

B2

 

U

 

Y1

Examined patent application (1st publication)

 

Utility model

 

Utility model (registered)

Luxembourg (LU)

A

Unexamined granted patent

Mexico (MX)

A

Patent of invention (from 199816)

A1

Published patent application (from 199816)

A2

Anticipated publication of patent application (from 199816)

A4

Regional filing – Jalisco

A5

Regional filing – Nuevo Leon

A6

Regional filing – Yucatan

A7

Regional filing – Guanajuato

B

Granted patent (1991 law) (from 199816)

Netherlands (NL)

A

OPI application

A1

Registered specification laid open

B

Examined accepted specification

C

Granted patent

C2

20-year new law granted patent (from 199608)

C6

6-year new law petty patent (from 199608)

New Zealand (NZ)

A

Examined application (from 199301)

Norway (NO)

A

OPI application

B

Examined and searched accepted specification (from 199301)

B1

Granted patent new law (from 199718)

PCT (WO)

A

OPI application

A1

OPI application with search report (from 199220)

A2

OPI application without search report (from 199220)

A3

 

A4

 

A8

 

A9

 

B1

OPI application search report for A2 (from 199220)

 

Amendment to claims and/or statement

 

Amendment to front page data of OPI application

 

Republished specification of OPI application

 

Second publication of claims of OPI application

Philippines (PH)

A

Patent application (from 199511)

B

Granted patent (new law)

B1

Granted patent (from 200267)

Portugal (PT)

A

Application for patent of invention

A1

Application for certificate of addition to patent of invention (from 200238)

Research Disclosure (RD)

A

Research Disclosures (c) Kenneth Mason Publications Limited link

Romania (RO)

A

Examined granted patent (1974 law)

B

Granted patent (1991 law)

B1

Granted patent

Russian Federation (RU)

C

Granted patent (from 199406)

C1

 

C2

 

C8

Granted patent of invention

 

Granted patent of invention (second publication)

 

Modifed fisrst page of granted patent

C9

Reprinted granted patent of invention

Singapore (SG)

A

Registrations via GB or EP designating GB (from 199513)

A1

Patent application (from 199631)

Slovakia (SK)

A3

Patent application (from 199417)

B6

Granted application (from 199422)

South Africa (ZA)

A

Unexamined accepted specification

AA

Second application with same number

 

AZ

Second application with same number

Soviet Union (SU)

A

Examined granted patent

A1

Inventor’s certificate

A2

Addition to inventor’s certificate

A3

Patent

A4

Patent of addition

B

 

C

Reissued patent

 

Patent replacing inventor's certificate (from 1981)

Spain (ES)

A

Unexamined granted patent; OPI application from 1987

A1

Patent application with search report

A2

Patent application without search report

A6

OPI application without search report

B

Patent published with search report

B1

Patent published with search report

B2

Patent published after examination

T1

Translation of the claims with drawings of EP application

T3

 

T4

 

T5

Translation of complete text of granted EP

 

Revised translation of granted EP

 

Translation of modifed EP (from 1996)

Sweden (SE)

A

OPI application

B

Examined accepted specification (from 198701)

C

 

C1

Granted patent

 

First level patent specification (from 1 to 227869)

C2

Granted patent - new law

Switzerland (CH)

A

Granted unexamined patent or examined application

A3

OPI application searched and preliminary examined (from 1978)

A5

Granted unexamined patent

A8

Correction to A level publication (bibliographic)

A9

Correction to A level publication (specification)

B

Examined accepted specification (under 559,000)

B5

Examined accepted specification (from 559,000)

Taiwan (TW)

A

Examined application (old law) (1993 to August 2004)

B1

Examined application (new law) (from August 2004)

United Kingdom (GB)

A

Examined granted specification (<2000000); OPI application (2000000+)

B

Examined granted patent (from 198206)

United States (US)

A

Examined granted patent (before 2001)

A1

Utility patent application (from 2001)

A2

Second/subsequent publication of utility application (from 2001)

A9

Corrected published utility application (from 2001)

B

Re-examination certificate (before 2001)

B1

1st re-examination certificate (before 2001); Utility patent grant - no-pre-grant publication (from 2001)

B2

2nd re-examination certificate (before 2001); Utility patent grant - with pre-grant publication (from 2001)

C1

Re-examination Certificate (from 2001)

C2

Re-examination Certificate (from 2001)

C3

Re-examination Certificate (from 2001)

E

Reissue patent

H

Statutory invention registration (replaces defensive publication)

N

US Government-owned inventions under the jurisdiction of the National Technical Information Service (NTIS)

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