Chemical Structure Basic Text Advanced Text Patent Number

Patent Numbers

Enter one or a series of patent IDs.

SureChem is designed to handle a variety of different patent number formats from issuing authorities and proprietary vendors.

Wildcard kind codes
?

Choosing this option will replace the numeric part of the patent numbers kind code with a wildcard option.

For example searching for the number US7890234B1 with this option checked will actually search for US7890234B*.

This will broaden the results of your search, increasing the chance of SureChem finding a version of your document.

Preferred Number Formats >

Authority Preferred Format
USPTO Applications

US patent applications have a leading 4-digit year followed by fixed-length, zero-filled 7-digit sequential number.

E.g. 

US20110098016A1
US20110074447A1

 USYYYYnnnnnnnKK
USPTO Granted

US granted utility patents have 1-7 digits and should not be zero filled.

E.g. 

US6164711A
US7890234B1

 USnnnnnnnKK
USPTO Design

US granted design patent numbers must be prefixed with D and can be zero-filled.

E.g. 

USD525150

 USDnnnnnn
USPTO Plant

US granted plant patent numbers must be prefixed with PP and can be zero-filled.

E.g. 

USPP7386

 USPPnnnnnn
USPTO Reissue

US granted reissue patent numbers must be prefixed with RE and can be zero-filled.

E.g. 

USRE35312

 USREnnnnnn
European Applications

European published applications have 1-7 digits and should not be zero-filled.

E.g. 

EP1997693A3
EP2280848A2

 EPnnnnnnnKK
European Granted

European granted patent numbers have 1-7 digits and should not be zero-filled.

E.g. 

EP1893521B1
EP1641656B2

 EPnnnnnnnKK
WO/PCT - 1978 to 30th June 2002

Prior to 30th of June 2002, WIPO patent application numbers consist of 2 year digits followed by a five digit number.

E.g. 

WO7900755

 WOYYnnnnnKK
WO/PCT - 1st July 2002 to 31st Dec 2003

For the period from July '02 to December '03, WIPO patent application numbers consist of 2 year digits followed by a six digit number.

E.g. 

WO02000025

 WOYYnnnnnnKK
WO/PCT - 1st Jan 2004 to date

From the 1st of January onward, WIPO patent applications numbers consist of four year digits followed by a six digit number.

E.g. 

WO2011022614A1

 WOYYYYnnnnnnKK
Japanese Abstracts - Before 2000

For Japanese abstracts before 2000 'YY' is the imperial year. For years 01 to 09, the format is just 'Y' and the leading zero should omitted. The patent number should always be six digits, zero filled if necessary.

E.g. 

JP53147546
(YY format)
JP2029600
(Y format)

 JPYYnnnnnnK
Japanese Abstracts - 2000 onwards

For Japanese abstracts from 2000 onwards, 'YYYY' is the western year. The patent number should always be six digits, zero filled if necessary.

E.g. 

JP2001033496

 JPYYYYnnnnnnK

Notes

The table above shows the patent number formats preferred by SureChem. Other formats may give results, however please use the formats shown to ensure optimal results. You can hover over authority names for more details.

Above, Y denotes a year digit, n denotes part of the patent number, and K denotes kind code - except where otherwise indicated. Other letters or numbers should be included verbatim. E.g. for JPYYnnnnnnK, include the characters 'JP', then the year, number, and kind code. Please note that the kind code is optional for all formats, in which case all versions of the patent will be searched for.

Databases

In accessing this Web Site, you agree to SureChem's Terms and Conditions.