Note that most fields support Phrase (ABST/"cardboard box"), Proximity (ABST/"cardboard box"~5), Wildcard (ABST/card*), and Leading Wildcard (ABST/*ectomy) queries. Some fields support range queries and math operations. Only basic examples are provided below.
Field Abbr.
Field Name
Type
Syntax Example and Comments
AADR
Assignee Address
(complete string)
Text
AADR/California
AADR/"Route 66"
ABST
Abstract
Text
ABST/widget
ABST/"titanium steel"
AC
Assignee City
Text
AC/Paris
AC/"New York"
ACLM
Claims
Text
ACLM/"cardboard box"
ACN
Assignee Country
Text
ACN/JP or ACN/US
AGT
Agent
Text
AGT/"Bacon & Thomas"
AGTC
Agent Address City
Text
AGTC/Paris
AGTCN
Agent Country
Text
AGTCN/JP
AGTN
Agent Name
Text
AGTN/smith
AN
Assignee Name
Text
AN/smith
APD
Filing Date
Date
Single Date: APD/1/5/2012
Range: APD/1/1/1790->12/31/2001
Math: APD/NOW-20YEAR->NOW
APN
Application Number
Text
APN/123456
APN/09/123456
APN/123*
AS
Assignee State
Text
AS/NY
ASEX
Assistant Examiner Name
Text
ASEX/jones
CCL
US Class
Text
CCL/100/50
DN
Document Number
(same as PN)
Number
DN/6954235
DN/20070220636
ECLA
ECLA Classification
Text
ECLA/G08B25/10
ECLA/G08B25*
FOS
Field of Search
Text
FOS/714/100
FOS/714/*
FREF
Foreign Patent Reference
(entire string)
Text
FREF/titanium
FREFN
Foreign Patent Reference
(number only)
Number
FREF/EP0628292
IADR
Inventor Address
(entire string)
Text
IADR/"main street"
IC
Inventor City
Text
IC/Munich
ICN
Inventor Country
Text
ICN/GB
IN
Inventor Name
Text
IN/smith
IPC
IPC Classification
Text
IPC/A63F13/00
IPC/A63F13/*
IPCR
IPC Revised
Text
IPCR/A63F13/00
IPC/A63F13/*
IS
Inventor State (U.S.)
Text
IS/ca
ISD
Publication Date
Date
Single Date: ISD/1/5/2012
Range: ISD/1/1/1790->12/31/2001
Math: ISD/NOW-1MONTH->NOW
KCOD
Kind Code
Text
KCOD/b1
OREF
Other References
Text
OREF/titanium
PARN
Parent Case
Text
PARN/704,848
PARN/"application Ser. No. 704,848"
PCCL
Primary Class
Text
PCCL/702/100
PD
Publication Date
Date
PD/12/08/2009
PEX
Primary Examiner Name
Text
PEX/smith
PN
Patent Number
(same as DN)
Number
PN/6954235
PN/20070220636
PRICN
Priority Country
Text
PRICN/FR
PRIN
Priority Number
Number
PRIN/83711
PRIN/837*
PRIR
Foreign Priority
Text
PRIR/9/16/1990
PT
Document Type
Text
PT/PP
Possible values:
U (Utility)
RE (Reissue)
D (Design)
PP (Plant Patent)
REF
US Patent Reference
(entire string)
Text
REF/aluminum
REFN
US Patent Reference
(number only)
Number
REFN/6000000
SPEC
Specification
(a.k.a. Description)
Text
SPEC/aluminum
TTL
Title
Text
TTL/aluminum
Additional fields are available via our API for commercial use. Please inquire if you would like access to these, and other, fields: Assignee Count, Claim Count, Expiration Date (with term extensions), Family Member Count, Image Count, Inventor Count, Priorities Count, Reference Count, Word Count, Assignment Count.