Compare:Patent Search System

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This tool allows for side-by-side comparison of the patent search systems that have been reviewed by the Intellogist team. To accurately interpret the table, review the category definitions provided in the Quick Table help topic. Also, be aware that the Quick Tables data is current as of the time the Intellogist article for a given search system was last updated, with the exception of data coverage information, which is updated as we are aware of changes. For more information, see our update policies. If you have questions about the data in the tool, please contact us. If you wish to purchase printable copies of comparison tables, see our FAQ.


Select other Patent Search Systems to compare
System DataEspacenet
Owner NameEuropean Patent Office (EPO)
Intellogist ReportEspacenet
Address
Main Telephone
Main Facsimile
WebsiteEspacenet
Customer Support Emailespacenet@epo.org
Tool TypePatent Search Systems, Free Tools, New/Recently Updated
Interface LanguageEnglish, French, German from the main Espacenet portal. Other interfaces may exist as portals to national-level Espacenet collections.
RatingEspacenet
Overall Rating
  • Currently 3.40 / 5
Rating: 3.4/5 (5 votes)
Data Coverage Rating
  • Currently 3.71 / 5
Rating: 3.7/5 (7 votes)
Document Delivery Rating
  • Currently 2.80 / 5
Rating: 2.8/5 (5 votes)
Import/Export Functions Rating
  • Currently 2.17 / 5
Rating: 2.2/5 (6 votes)
Value Rating
  • Currently 4.17 / 5
Rating: 4.2/5 (6 votes)
Usability Rating
  • Currently 3.00 / 5
Rating: 3.0/5 (5 votes)
Interface Functionality Rating
  • Currently 2.50 / 5
Rating: 2.5/5 (6 votes)
Search Accuracy Rating
  • Currently 2.17 / 5
Rating: 2.2/5 (6 votes)
Company Strength Rating
  • Currently 3.50 / 5
Rating: 3.5/5 (6 votes)
Customer Support Rating
  • Currently 3.33 / 5
Rating: 3.3/5 (6 votes)
Data Coverage Espacenet
Full Text: Patent Authority CoverageEP, WO/PCT
Full Text: Patent Kind CoverageEP - Published Applications; WO/PCT - Published International PCT Applications
Full Text: Number of Authorities2
Partial Text: Patent Authority CoverageFor the purpose of this comparison, the assumption is that the system coverage is equal to INPADOC.
Partial Text: Patent Text CoveredINPADOC - English Abstracts
Bibliographic: Patent Authority CoverageFor the purpose of this comparison, the assumption is that the system coverage is equal to INPADOC.
Machine Pre-Translated Datayes Yes, if provided to the EPO by the national patent office
Full Document Images: Patent Authority CoverageFull document images are available for almost 50 million of the over 70 million records in the database. Represented authorities may include: AP, AR, AT, AU, BE, BG, BR, CA, CH, CN, CS, CU, CY, CZ, DD, DE, DK, DZ, EA, EC, EE, EG, EP, ES, FI, FR, GB, GC, GR, HK, HR, HU, ID, IE, IL, IN, IS, IT, LT, JP, KR, LU, LV, MA, MC, MD, MX, NL, NO, NZ, OA, PE, PH, PL, PT, RO, RU, SE, SG, SI, SK, SU, TR, TW, UA, US, UY, WO/PCT, ZA, ZW
Representative/Front Page ImagesRepresentative drawings available for many records from countries under PCT minimum documentation standards. Detailed coverage information is not provided.
Full Patent Drawing SetsDrawing mosiacs are offered for many of the documents in the Espacenet collection. Detailed coverage information is not provided.
Corporate Tree Datano No
Non-Patent Coverageyes Yes
Non-Patent SourcesAny non-patent documents classified by EPO examiners as "XP" documents.
Special Indexingno No
Update FrequencyVaries widely by country collection.
Comments on Missing CoverageKnown gaps exist in INPADOC. As with any patent collection, gaps in coverage may exist but have not been discovered or quantified. Users should rely on Espacenet help material and empirical testing to check database content.
Family DataEspacenet
Inpadoc Family Data Coverageyes Yes
Types of Family DefinitionSimple families (all documents share the same priority) and extended INPADOC families
Derwent WPI Family Coverageno No
Citation DataEspacenet
Backward Citationsyes Yes
Forward Citationsyes Yes
Citation Data CoverageEP and WO examiner's reports are used for citation data in Espacenet.
Special Features of Citation SearchHyperlinks are provided to forward and backward citations from the record view. Certain non-patent literature documents (XP documents) may appear in the lists of cited/citing documents.
Citation Visualization Toolno No
Legal Status DataEspacenet
Legal Status Data Includedyes Yes
Legal Status Data SourcesINPADOC legal status file
Classification DataEspacenet
Current US Classno No
Original US Classno No
IPC - Ryes Yes
Original IPC data (v1-v7)yes Yes
ECLAyes Yes
Japanese File Index Termsno No
Japanese F-Termsno No
Other National Classification Systemsno No
Search Interface FunctionalityEspacenet
Search Formyes Yes
Command Line Style Interfaceyes Yes
Index Browsing Featureno No
Allowed OperatorsBoolean and proximity operators are available. Proximity operators include sentence and paragraph based operators, as well as both fixed-order and non-order-specific operators. The non-order-specific operator allows users to define the maximum distance between terms.
TruncationUnlimited and single character right truncation.
Unique Features of the Search InterfaceSmartSearch feature allows users to enter mixed data parameters in a single field; "Number Search" page allows users to input a number without specifying what kind of number it is; both applicant and inventor fields may be searched simultaneously via "person or organization" search in the "Quick Search."
Viewing ResultsEspacenet
Max Hit List Size500
Single Representative Imageyes Yes
View Full Document Imageyes Yes, full document images are viewed under the "Original document" menu link. Sometimes a related family member image is substituted, if the original is not available.
Patent Drawing Thumbnail Overviewyes Yes
Family Sortingyes Yes, hit lists and saved results are always presented with patent documents already grouped into simple families. However, sorting by extended INPADOC family is not available.
Sorting by Other Criteriayes Yes, If the list of results is less than 500, users can sort the hit list by priority date, inventor name, applicant name, or ECLA code in ascending or descending order.
DeduplicationN/A
On-the-Fly Machine Translationsyes Yes
Keyword Term Highlightingyes Yes
Keyword Term Navigationno No
User-Defined Highlightingno No
Highlighting Feature Supports Proximity Operatorsno No
Save Custom Lists From Search Resultsyes Yes, up to 100 patent documents of interest can be saved in the "My Patents" list, which expires after 1 year of non-use. Security settings must allow browser cookies.
Combining Custom Patent Listno No
Unique Features of The Record ViewBibliographic data, representative image and abstract are under the first menu link; Description (if available), Claims (if available), drawing mosaic, full document image, and legal status are present on separate menu links; clicking "next" will navigate to next record.
Search HistoryEspacenet
Saving Search Queriesyes Yes, the system will save your 10 most recent queries for the current browser session if the "Query history" function is enabled.
Organizing Search Queriesno No
Stored Search Query Expiration TimeThe system will save the 10 most recent search queries for the user's current browser session or until cookies are deleted or disabled.
Combining Search Queriesno No
Exporting Search Historiesno No, queries must be copied and saved elsewhere as soon as they are conducted or copied from the Query History list.
Alertsyes Yes, RSS feeds can be created for individual search queries.
Import, Export and DownloadEspacenet
Import List of Document Numbersno No
Export Document Datayes Yes, up to 30 results may be exported at once. Bibliographic data is from representative family member. Text sections (other than title) and images are not exportable.
Formats for Export DataCSV, XLS
Individual Patent Copy Downloadingyes Yes, documents up to a certain number of pages long (500 pages for EP documents and 250 pages for any other document) can be downloaded and saved to a local directory. Patents over that number must be saved page-by-page.
Bulk Patent Copy Downloadingyes Yes, users can now download up to 30 documents into a single PDF file through "My patents" list.
File Format for Patent Copy DownloadsPDF
AnalysisEspacenet
Statistical Analysisno No
Graphsno No
Keyword Analysisno No
Customer SupportEspacenet
Cost/Usage Trackingno No
On-Site Trainingno No
Scheduled Web Seminarsyes Yes
Live Helpno No
Online User Guideyes Yes
PricingEspacenet
Pricing PolicyFree
AssessmentEspacenet
Primary System StrengthsWorldwide data coverage; fast updates for PCT minimum documentation countries; free patent copy downloads; free RSS feeds for individual searches; free reliable patent family and legal status data.
Weaknesses and AnnoyancesLimits on the saved result lists; Limited search history; Limits on patent copy downloads.
Overall AssessmentThe service is a vitally important free source of patent bibliographic data, images, families, and legal status data.
Company StrengthThe European Patent Office is one of the most important patent data producers in the industry, and Espacenet is a very heavily used and well regarded service.
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