Espacenet: patent database with over 120 million documents

The European Patent Office offers Espacenet as a free tool for beginners and experts to perform patent searches for inventions and technical ... HomeSearchingforpatentsTechnicalinformationEspacenet-patentsearchEspacenet-patentsearchGlobalPatentIndex(GPI)ReleasenotesEuropeanPublicationServerSearchingAsiandocumentsEPfull-textsearch PrintShareFacebookXingLinkedInTwitterSupportTalktoEPOexpertsorgethelpfromotherusers Visitthediscussionforum ContactContactusTraining Visitoure-learningcentreforalltutorialsandrecordedseminars UpcomingPatentKnowledgeseminarsandevents  Tutorials CommonCitationDocument(CCD) GlobalDossier GlobalPatentIndex(GPI)  Recordedonlineseminars IntroductiontoEspacenet AdvancedfeaturesofEspacenet SpecialfocusEspacenet-Advancedsearch     Espacenetpatentsearch Withitsworldwidecoverageandsearchfeatures,Espacenetoffersfreeaccesstoinformationaboutinventionsandtechnicaldevelopmentsfrom1782totoday. OpenEspacenet    OpenclassicEspacenet Nationalpatentoffices'databases Espacenetisaccessibletobeginnersandexpertsandisupdateddaily.Itcontainsdataonmorethan130millionpatentdocumentsfromaroundtheworld.Supportinginformationcanhelpyouunderstandwhetherapatenthasbeengrantedandifitisstillinforce. YoucanuseEspacenetto: searchandfindpatentpublications machine-translatepatentdocuments tracktheprogressofemergingtechnologies findsolutionstotechnicalproblems seewhatyourcompetitorsaredeveloping Gettingstarted Conditions FurtherInformation Features Video:HowtouseEspacenet Espacenet-pocketguide(PDF,540KB) WhathaschangedinEspacenet(PDF,126KB) Forautomateddata retrieval,pleaseusetheEPO'sOpenPatentServices(OPS). Espacenetisavailablefreeofcharge,24hoursaday,7daysaweek. Itisnotintendedforbulkdataretrieval.Theservicedoesnotsupportautomatedsearches(robots)andwilldenyaccesstoanyrobotsitidentifies. Formoredetailspleasereadourfairusecharter. Thetermsandconditionsofuseforthewebsiteapply. Releasenotes Seethelatestreleasenotes Coverage Latestbibliographiccoverage Latestfull-textcoverage Documentation Numberformatandkindcodeconcordancelists WhenyouuseEspacenet,youalsohaveaccesstoanumberofhelpfultoolsandresources. Classificationsearch Classificationsearchisapowerfultoolforyouifyouneedtoretrievepatentpublicationsinaparticulartechnicalarea.ClassificationsearchinEspacenethelpsyoutofindsuitableclassificationsymbolsforyoursearch,andthentoapplyinthesearchitself. Classificationsearch GlobalDossier GlobalDossierprovidesaccesstothefilewrapperofa patentapplication,whereveritismadeavailablebythepatentauthorityin question.Filewrappersarecompleterecordsofanapplication;theyinclude alldocumentsrelatingtothegrantprocesssuchascommunicationsbetweenthe patentauthorityandtheapplicant/patentattorney,patentauthorities'official actions,applicantstatements,diagramsanddrawings.Accesstofilewrappers iscurrentlyprovidedbytheCanadianIntellectualPropertyOffice(CIPO),China NationalIntellectualPropertyAdministration(CNIPA),EuropeanPatent Office(EPO),JapanPatentOffice(JPO),KoreanIntellectualPropertyOffice(KIPO),United StatesPatentandTrademarkOffice(USPTO)andWorldIntellectualPropertyOffice(WIPO). GlobalDossieralsooffersmachinetranslationsinEnglish ofChinese,JapaneseandKoreancommunications/documents. GlobalDossierisavailableviatheEuropeanPatentRegister andEspacenet. LearnmoreaboutGlobalDossier CommonCitationDocument TheCommonCitationDocument(CCD)toolprovidesasinglepointofaccesstocitationdataforthepatentapplicationsofthelargestfiveIPoffices(IP5). Thistoolconsolidatesthepriorartcitedbyallparticipatingofficesforthefamilymembersofapatentapplication,showingthesearchresultsfromdifferentofficesonasinglepage. AccessCommonCitationDocumentonthefiveIPofficeswebsite QuickNavigationHomepage[Alt]+0Skipnavigation[Alt]+1Sitemap[Alt]+8Accessibilityinformation[Alt]+9  Seeourlearningresourcesaboutpatentsearching Howtoapplyforapatent Astep-by-stepguidetothegrantprocedure Learnmore Payfeesandclaimrefunds Learnmore UnitaryPatent Startofnewsystemexpectedin2022 Stayinformed Coronavirus(COVID-19) Continuallyupdatedinformationforcustomers,externalpartnersandpotentialvisitorstotheEPO. Listentoourpodcast Calendarofevents Searchforeventsandtrainingbytopic,date,locationortargetaudience PatentIndex2021 Digitaltechnologies inthelead TopusingMobileDeviceWeusecookiesWeusecookiesonourwebsitetosupporttechnicalfeaturesthatenhanceyouruserexperience.Wealsouseanalytics.AccessfullinformationoncookiesthatweuseandhowtomanagethemOK