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IPEXL Search Syntax
Guide to Advanced Search
Guide to IPEXL Analytics Search Categories


IPEXL Search Syntax

The following serves as a basic guide to get started with IPEXL Patent Search's free form query syntax.

Contents

Search Fields

IPEXL Patent Search supports the following search fields:

Application Number

This field contains the identification number assigned to applications which have received a application date

  • IPEXL syntax: AN
  • Example: AN:(PCT/SG2004/000252)

Publication Number

This field contains the unique number assigned to applications that have issued as patents or published application.

  • IPEXL syntax: PN
  • Example: PN:(2005/019964)

Application Date

This field contains the date when a complete application was received by the patent office. Application date is stored in the format <4 digit year><2 digit month><2 digit day>.

  • IPEXL syntax: AD
  • Example:
    • AD:[20080401 TO 20090729] (for date range)
    • AD:(20090729) (for specific date)

Publication Date

This field contains the date the patent was officially issued(for granted patents) or published(for application). Publication date is stored in the format <4 digit year><2 digit month><2 digit day>.

  • IPEXL syntax: PD
  • Example:
    • PD:[20080401 TO 20090729] (for date range)
    • PD:(20090729) (for specific date)

Abstract

This field contains a brief summary of the patented invention.

  • IPEXL syntax: ABS
  • Example: ABS:("태양전지" OR "solar cell" OR 太阳能电池 OR 太陽電池)

Title

This field contains the title of the patent.

  • IPEXL syntax: TTL
  • Example: TTL:("valuation of intellectual property")

Assignee Name

This field contains the name of the patent assignee. This field only available for US granted, US Application, and Canada sources.

  • IPEXL syntax: AGN
  • Example: AGN:(Qualcomm OR 高通股份)

Assignee City

This field contains the city of the patent assignee at the time of patent issue. This field only available for US granted, US Application, and Canada sources.

  • IPEXL syntax: AGY
  • Example: AGY:("San Diego")

Assignee States

This field contains the two letter code representing US States name of the patent assignee at the time of patent issue. This field only available for US granted, US Application, and Canada sources.

  • IPEXL syntax: AGS
  • Example: AGS:(CA)

Assignee Country

This field contains the two letter code representing Country name or the Country name of the patent assignee at the time of patent issue. This field only available for US granted, US Application, and Canada sources.

  • IPEXL syntax: AGC
  • Example: AGC:(US)

Applicant Name

This field contains the name of the patent applicant. This field is available for all sources except US granted and US Application.

  • IPEXL syntax: ALN
  • Example: ALN:("International Business Machine" OR IBM)

Applicant Country

This field contains the two letter code representing Country name or the Country name of the patent assignee at the time of patent issue. This field is available for all sources except US granted and US Application.

  • IPEXL syntax: ALC
  • Example: ALC:(US)

Inventor Name

This field contains the name of the patent inventor.

  • IPEXL syntax: IVN
  • Example: IVN:("Mullis Kary B")

Inventor City

This field contains the city of the patent inventor at the time of patent issue/publication.

  • IPEXL syntax: IVY
  • Example: IVY:(Kensington)

Inventor States

This field contains the two letter code representing US States name of the patent inventor at the time of patent issue/publication.

  • IPEXL syntax: IVS
  • Example: IVS:(CA)

Inventor Country

This field contains the two letter code representing Country name or the Country name of the patent inventor at the time of patent issue/publication.

  • IPEXL syntax: IVC
  • Example: IVC:(US)

Attorney Name

This field contains the name of the legal representative of the patent applicant.

  • IPEXL syntax: ATN
  • Example: ATN:("Bird & Bird")

Attorney States

This field contains the two letter code representing US States name of the patent legal representative of the patent applicant at the time of patent issue/publication.

  • IPEXL syntax: ATS
  • Example: ATS:(WA)

Attorney Country

This field contains the two letter code representing Country name or the Country name of the patent legal representative of the patent applicant at the time of patent issue/publication.

  • IPEXL syntax: ATC
  • Example: ATC:(UK)

Agency Name

This field contains the name of the legal representative of the patent applicant.

  • IPEXL syntax: FRN
  • Example: FRN:(张家港市高松专利事务所)

Agency Country

This field contains the two letter code representing Country name or the Country name of the patent legal representative of the patent applicant at the time of patent issue/publication.

  • IPEXL syntax: FRC
  • Example: FRC:(CN)

Applicant/Assignee

This field contains the name of the patent applicant or patent assignee.

  • IPEXL syntax: APS
  • Example: APS:(Microsoft)

Attorney/Agency

This field contains the name of the legal representative of the patent applicant.

  • IPEXL syntax: ATF
  • Example: ATF:("Bird & Bird")

US Classification

This field contains the US Classification(s) to which the patent has been assigned.

  • IPEXL syntax: USC
  • Example: USC:(165/268)

Europe Classification

This field contains the Europe Classification(s) to which the patent has been assigned.

  • IPEXL syntax: EUC
  • Example: EUC:(C07F17/00)

International Classification

This field contains the International Classification(s) to which the patent has been assigned.

  • IPEXL syntax: ICL
  • Example: ICL:("H04L 09/06")

Main International Classification

This field contains the Main International Classification(s) to which the patent has been assigned.

  • IPEXL syntax: ICLM
  • Example: ICLM:("B01J 19/00")

Reference

This fields contains the list of patents that are referenced by a particular patents. Querying a patent number in reference field will retrieve a list of other patents which cited that patent. The reference patent number are stored in the format <2 digit source code><publication number> This field is only available for US Granted, Europe, UK and France

  • IPEXL syntax: REF
  • Example: REF:(US5333675)

Citation

This fields contains the list of patents which cited a particular patents. Querying a patent number in citation field will retrieve a list of other patents which are referenced that patent. The citation patent number are stored in the format <2 digit source code><publication number>

  • IPEXL syntax: FLW
  • Example: FLW:(US4685081)

Source

This fields contains 2 or 3 digit patent source code.

  • The list of valid code for each source are:
    • PCT: WO
    • US Granted: US
    • US Application: U2S
    • Canada: CA
    • Europe: EP
    • UK: GB
    • France: FR
    • China(native): CN
    • China(english): C2N
    • Japan: JP
    • South Korea: KR
    • Hong Kong: HK
    • Singapore: SG
  • IPEXL syntax: SRC
  • Example: SRC:(CN OR US OR WO)

Terms and Phrases

1. A single term is considered a single word. For example: 'radio' will return patents containing the keyword radio.

2. To create a search phrase, the phrase must be contained within double quotes. For example: "Ski slope" will find any patents with the exact phrase 'Ski Slope.'



Boolean Operators

IPEXL Patent Search allows use of boolean operators such as AND, OR and NOT (depicted by the minus "-" symbol).

For example:

1. solar AND photovoltaic will return patents that include both keywords 'solar' and 'photovoltaic.'

2. solar OR nuclear will return patents that contain either keywords 'solar' or 'nuclear.'

3. radio -mp3 will return all patents with the keyword 'radio' but NOT mp3.



Complex Queries

Fields, operators, keywords and phrases can be used with each other. Some examples of such usage are:

1. Any patent that has 'house' and "solar energy" in the title. TTL:(+house AND "solar energy")

2. Any patent that has 'house' and "solar energy" in the title but is not concerning hot water (ie. IPC F24D). TTL:(+house AND "solar energy") -ipc:(F24D)



Guide to Advanced Search

Contents

Advanced Search Types

Quick Search

Quick search provides the list of common field for searching. You can choose which field to search using the drop down list in the Keywords section and add / remove fields by clicking the icons next to the text field. The Keywords fields accept wildcards and boolean operator, however you can not use IPEXL Search Syntax in these fields. Other than patent attribute fields, 4 different keyword interpretations are available in the list:

  • With all of the words: Entering keywords into this field will invoke the search to find patents that contain all of the keywords specified by the user. This is equivalent to the Boolean AND operator.
  • With the exact phrase: This will return patents that match exact phrases. For example the search 'solar energy' will return all patents that contain the wording "solar energy."
  • With at least one of the words: This forces an exclusive or (XOR) search on keywords. For example, if the keywords 'monkey, banana, cow, grass' are entered into the search, the results must contain at least one of those keywords.
  • Without the words: This equates to the NOT Boolean operator and can also be represented by the minus "-" sign. For example the search phrase 'radio -mp3' will return all patents that include 'radio' but NOT the keyword 'mp3.'

The quick search also provides Source section to select specific patent sources and Fields section to specify a specific document number or to narrow down the search based on publication and application date range or patent type.

Syntax Search

Syntax search is a more powerful tools to search, it allows you to narrow down your search by suppliying a very specific search condition. You can construct complex query using the IPEXL Search Syntax which supports wildcard characters, boolean operators and nested query. All the supported fields are listed in the table below the text fields. Clicking entries on under Field Code column will append the corresponding fields into your current query. Syntax search also provides source, date, and patent type selection.

Search Options

The Search Options tab allows you to specify the number of result per page, sorting criteria and fields statistics.

Result per page

In the advanced search page, the user may choose the number of results to be returned on the search results page. The maximum allowable search results for the IPEXL Patent Search results page is 99.

Sorting

IPEXL.com provides four kinds of sorting. A brief explanation of IPEXL.com’s sorting features is:

  • Citation: Sorts the results by number of world wide patent citation, in descending order, or the higher the number of citation the patent has, the higher the position within the result hits list.
  • Rank: Sorts by IPEXL’s proprietary patent rank value, in descending order.
  • Relevance: Sorts by relevance to the search criteria entered by the user, in descending order. The closer to the search criteria given, the higher the position within the result hits list.
  • Newest: Sort by patents’ publication dates, in descending order. The newer the publication date, the higher the position within the result hits list.

Statistics

Statistics section allows you to view the result distribution and narrow down the result based on the selected fields. With this feature, you can grasp the industry distribution, top inventor, top company, publication year trend, etc from a patent pool. The supported fields are:

  • Source
  • Patent type
  • Publication year
  • Application year
  • Inventor
  • Applicant/Assignee
  • Attorney
  • Agency
  • IPC class
  • Main IPC class
  • IPC subclass
  • Main IPC subclass
  • Backward citation
  • Forward citation

Patent Type

A table depicting what patent types are searchable by each source is given as follows:

Patent Type Sources Supported
All Types This is the default search
Utility SIPO (China), SIPOCHI (China Native), TIPO (Taiwan), USPTO (United States)
Design SIPOCHI (China Native), TIPO (Taiwan), USPTO (United States)
Plant USPTO (United States)
Reissue USPTO (United States)
Defensive Publication USPTO (United States)
Statutory Invention Registration USPTO (United States)
Invention SIPO (China), SIPOCHI (China Native), TIPO (Taiwan)
Published Application TIPO (Taiwan)


Filing/Publication Dates

Filing and publication date ranges can be searched for by specifying:

1. The year in yyyy format. For example: 2010

2. The year and month in yyyymm format. For example: 201001 (For January 2010).

3. The year, month and day in yyyymmdd format. For example: 20100112 (For January 12th 2010).


If only one date is given, the search result will have no boundary on the opposite. For example, if "20091231" is given in the "to" field, then the patents returned will be everything before 31 December 2009.




Guide to IPEXL Analytics Search Categories

Contents

Search Category Definitions

Source

Selecting ‘Source’ breaks down the search results based on the country of issue. Example: Fig. 1’s Source is the United States (outlined in light blue).



Patent Type

Selecting “Patent Type” breaks down the search results based on the different kinds of patents: utility, invention, design, reissue, plant, statutory invention registration, or unspecified.


Publication Year

Selecting “Publication Year” breaks down the search results based on the year the patents were published. Example: Fig. 1’s Publication Year is 1986 (outlined in dark blue).


Application Year

Selecting “Application Year” breaks down the search results based on the year the patents’ applications were filed. This application date is useful for determining the priority of most patents. Example: Fig. 1’s Application Year is 1985 (outlined in purple).


Inventor

Selecting “Inventor” breaks down the search results based on the patents’ inventors. Example: Fig. 1’s Inventor is Charles B. Mitchell (outlined in green).


Applicant/Assignee

Selecting “Applicant/Assignee” breaks down the search results based on who the patents were initially assigned to. Applicant/Assignee refers to the original owner(s) of a particular patent. Example: Fig. 1’s Applicant/Assignees are Dolores A. Smith, Norma A. Sampson, and Earl W. Sampson (outlined in red).


Assignee Country

Selecting “Assignee Country” breaks down the search results based on the countries the Applicant/Assignees are located in. Example: Fig. 1’s Assignee Country would be United States because the Assignees’ were located in Fullerton, California.


Attorney

For the majority of search results, selecting “Attorney” breaks down the search results based on the attorneys, agents, or firms that filed the patents. Chinese patents follow a different system and selecting Attorney will break the search results down to the individual attorneys or agents, who filed the patents, see Agency below. Example: Fig. 1’s “Attorney” is Gordon L. Peterson (outlined in black).


Agency

Selecting “Agency” breaks down the search results based on the firm or entity that filed the original patent. Attorney encompasses Agency except with respect to Chinese patents. Chinese patents distinguish the two by setting Attorney as individual attorneys or agents who filed the patent and Agency as the organization that individuals belong to. Example: Fig 1’s “Agency” is Gordon L. Peterson. If hypothetically, Peterson filed the patent while he belonged to Law Firm A, the Agency would be Law Firm A.


IPC Class

Selecting “IPC Class” breaks down the search results based on the International Patent Classification Codes assigned to each patent. Each IPC Codes code corresponds to a broad category that organizes patents by subject matter. Example: Fig 1’s “IPC Class” is A61M, which corresponds to “Medical Delivery and Transduction Devices” (outlined in red).


Main IPC Class

Selecting “Main IPC Class” breaks down the search results based on the primary International Patent Classification Codes assigned to each patent. Some patents have more than one IPC Class assigned to it. “IPC Class” will break down the results based on all the assigned classes. “Main IPC Class” will only break down the result based on each patent’s first (primary) class.


IPC Subclass

Selecting “IPC Subclass” breaks down the search results based on the International Patent Classification Code Subclasses assigned to each patent. Each IPC Subclass corresponds to a narrower category within a broad IPC Class that further organizes patents by subject matter.


Main IPC Subclass

Same as Main IPC Class, but for subclasses.


Citation

Selecting “Citation” returns a list of the search results that are cited most frequently by another patent (ie appears most frequently on another patent’s Reference Cited list). More citations are an indication that a patent is more impactful because it created a basis for further inventions in its industry or it is addressing a problem that many are trying to solve. Note that Citations returns a list of patents, not a number. Example: Suppose Fig. 1 appears on six other patents’ Reference Cited list. Also, Patent A appears on five other lists, Patent B appears on nineteen other lists, and Patent C appears on three lists. The top three “Citation” results would be, in order, Patent B, Fig. 1, and Patent A.


Reference

Selecting “Reference” returns a list of the search results with the greatest number of references cited (ie the results with the largest Reference Cited list). More References are an indication that a patent may be more derivative and as a result, narrower than a patent with fewer References. Example: Fig. 1’s cites eight references. Suppose Patent A has nine references, Patent B has two references, and Patent C has eleven references. The top three “Reference” results would be, in order, Patent C, Patent A, and Fig. 1.


Backward Citation

Selecting “Backward Citation” returns a list of the patents most frequently cited by the search results (ie these patents appear most frequently on the search results’ Reference Cited list). The patents returned in this list are quantitatively the biggest potential source of infringement suits, invalidity claims, demands for license fee payment, etc. Example: Patent A is cited 62 times by the search results. Patent B is cited 19 times, Patent C is cited 86 times, and Patent D is cited 23 times. The top three “Backward Citation” results would be, in order, Patent C, Patent A, and Patent D.


Forward Citation

Selecting “Forward Citation” returns a list of the patents which cite the search results most frequently (ie the search results appear most frequently on these patents’ Reference Cited list). The patents returned in this list are quantitatively the biggest potential source of licensing opportunities for a particular set of search results. Example: The search results are cited 13 times by Patent A, They are cited 96 times by Patent B, 24 times by Patent C, and 61 times by Patent D. The top three “Forward Citation” results would be, in order, Patent B, Patent D, and Patent C.