USPTO Patent

U.S. Patent Searching - Patents and Trademarks

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Patent Number Searching ... If you know the patent number use either Google Patents or the USPTO website to find the patent. Enter the patent ... SkiptoMainContent Itlookslikeyou'reusingInternetExplorer11orolder.ThiswebsiteworksbestwithmodernbrowserssuchasthelatestversionsofChrome,Firefox,Safari,andEdge.Ifyoucontinuewiththisbrowser,youmayseeunexpectedresults. UMassAmherstLibrariesLibGuidesPatentsandTrademarksU.S.PatentSearching SearchthisGuide Search PatentsandTrademarks UMassAmherstPTRCUMassAmhestProSePatentVirtualAssistanceProgramU.S.PatentsPatentSearchingTipsU.S.PatentSearchingClassificationSearchingPatentResourcesSpecializedPatentDatabasesNonU.S.PatentsU.S.TrademarksTrademarkSearchingBusiness/Corporate/TradeNamesPlantPatentsMAMarijuanaTrademarks EspacenetPatentDatabase Inmyopinion,thisdatabaseissimplythebestofallthefreepatentdatabases. CombinethesmartnaturallanguagesearchingofGooglewithpowerfulcontrolinlimitingtheresults. Thetri-foldresultsscreenissituatedwithlimitingfacetsontheleft,thesearchresultslistinthemiddle,andspecificpatentinformationontheright.   EspacenetDatabase   PatentNumberSearching IfyouknowthepatentnumberuseeitherGooglePatentsortheUSPTOwebsitetofindthepatent. EnterthepatentnumberwithoutcommasandwhenusingtheUSPTOwebsitethepatentnumbermustbesevennumbersinlength(addprecedingzero'sifnecessary). Examples:  GooglePatentsenterthepatentnumberinthesearchbox. PatentNumber=6,863,940enteraspatent6863940USPTOwebsiteenterthepatentnumberinthesearchbox. PatentNumber=654,321enteras0654321 InventorNameSearching Google-AdvancedPatentSearch Notasup-to-dateastheUnitedStatesPatentDatabase. Enterthenameoftheinventor-firstname-lastname-intheinventorsearchbox UnitedStatesPatentDatabase(PatFT) In"Term1:"box,enterthetheinventor'sname:lastname-firstname-initial. Example:Inventorname=LouisA.Carpino;enterCarpinoLouisA In"Field1:,"usethearrowtoscrolldownto"InventorName." Besuretosearchforallvariantformsoftheinventor'sname.Theinventornamemaybedifferentfromtheassigneename. USPTOWebsitePatentSearching-Difficulties HavingsomeunderstandingofthechangesinpatentinformationmayhelpyouunderstandwhyusingtheUSPTOsearchdatabasemaybedifficult. Hereissomecontext: 1. TheUSPTOpatentdatabase(PatFT=PatentsFullText)isdividedintotwoparts: -patentsfrom1976onwardswhichcanbesearchedusingkeywordsalongwithotherparameters -patentsfrom1790-1975whichcanonlybesearchedusingtheIssueDate,PatentNumberandCurrentU.S.Classification.  Thismeansifyourinventionbuildsuponoldertechnologyyouwillmostlikelyneedtosearchthispre-1975databaseandthereforeneedtodeterminetheU.S.Classificationoftheinventioninordertodoathoroughsearchincludingolderpatents. 2. SearchingtheUSPTOdatabaseusingkeywordsinnotidealbecauseyoursearchtermsmaynotbethesamewordsastheinvention. Forexample,ifyouweretosearchRubik'sCubeyouwouldmostlikelynotfindtheinventiontitledSpatiallogicaltoy(U.S.PatentUS4378116A) 3. PatentapplicationsareintheirowndatabasecalledAppFT(ApplicationsFullText).   AssigneeSearching Thisfieldcontainsthenameoftheindividualorentitytowhomownershipofthepatentwasassignedatthetimeofpatentissue.TIP:Iftheassigneewasaperson,andyouwanttosearchforthefullname,youshouldformatyourqueryasfollows:lastname-firstname-initial. Iftheassigneewasacompany,andyouwerenotsureoftheexactname,youcouldtruncateonaportionofthename. Youmightneedtosearchvariationsofthecompanyname.Also,itisimportanttoknowtherelationshipbetweenasubsidiaryandparentcompany. TracechangesinpatentownershipusingthePatentAssignmentSearch <> ©2018UniversityofMassachusettsAmherst•SitePolicies•SiteContact

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