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indexAdvanced Search ExamplesSearch for records by using field tags, set combinations or a combination of both. Search operators and wildcards are allowed. indexAC=HHPL
indexAN=Intel
indexAU=Akram S AND AE=Micron*
indexCC=DAPRSearch for patent records containing this code in the Cited Assignee Name(s) and Code(s) field. indexCD=1998-221597Search for patent records for which the examiner cited a patent containing this code in the Derwent Primary Accession Number field. indexCI=WernerSearch for patent records for which the examiner cited patents that contain the search term in the Inventor field. indexCN=SMCSearch for patent records that have cited the name of the assignee. The system searches the Patent Assignee Name(s) and Code(s) field within a cited patent record. indexCP=(EP797246 OR US5723945-A)Search for patent records that have been cited by the patent examiner. indexCX=US5723945-ASearch for patent records by family and patent number that have been cited by the patent examiner. indexDC=L03Search for patent records that fall under this specific Derwent Class Code. indexDC=(T04 NOT (V05 OR V04))Search for patent records that have a Derwent Class Code of T04, but these records do not contain codes with V05 or V04. indexDCN=RA03SESearch for patent records that have this Derwent Compound Number in the Derwent Compound Number(s) field. indexDCR=96786-0-0-0Search for patent records that have this DCR Number in the Compound(s) field. indexDRN=1848Search for patent records that have this number in the Derwent Registry Number(s) field. indexGA=(1999-527918 OR 1999-527668)Search for these two patent records by entering their Derwent Primary Access number. indexIP=(B23K* AND B24B*)Search for patent records with IPCs that begin with both of these codes. indexMC=(A12-S05S)Search the Derwent Manual Code(s) field for this patent record. indexPN=US2001015*Search for patent records that include US2001015 in the patent number by using the PN field tag and a wildcard (*) character. indexRIN=03028Search for patent records that include 03028 in the Ring Index Number field. indexTI=(semiconductor AND wafer level)Search for patent records that contain the term semiconductor and the phrase wafer level in the title of a document. indexTS=(carcinogen OR cancer* NOT brain)Search for patent records that include the terms carcinogen or cancer (but not brain) by using the TS field tag and the OR and NOT search operators to restrict the search. indexTS=(lunar OR moon) AND TS=gravit*Search for patent records that include the terms lunar or moon. Each record must also include words gravity, gravitation, gravitational, and so on. indexTS=wheat AND #1Search for patent records that contain the word wheat within the results of set 1. indexTS=ozone AND #1 AND #4Search for patent records that contain the word ozone within the results of set 1 and set 4. indexDCN=RA03SESearch for patent records that have this Derwent Compound Number in the Derwent Compound Number(s) field. |
indexField Tags
indexSearch Query Rules
indexSearch TipTo search on the words AND, OR, NOT, and NEAR, enclose the word in quotation marks. Example: "Or" |