|Report||Patent Coverage Map||Ratings||Comments|
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Full and Partial Text Collections
The following coverage dates were obtained from the system's user guide materials and represent the reported start dates for each collection. Please note that gaps in coverage may exist in any collection due to a number of factors, such as missing documents, scanning errors, OCR errors, even failure of national and regional patent offices to report data. No data source can be considered 100% complete, and searchers should consult as many unique data sources as possible.
|Code||Document Types||Dates of Coverage|
|United States (US)||Published Applications – Full Text||From March 15, 2001|
|Granted Patents – Full Text||From January 19, 1971|
|European Patent Office Collection (EP)||Published Applications (EP-A) – Full Text||From December 20, 1978|
|Granted Patents (EP-B) – Full Text||From 1981|
|Patent Cooperation Treaty (WO/PCT)||WO/PCT Applications – Full Text||From October 19, 1978|
|Japan (JP)||Patent Documents of Japan – English Abstracts||From March 01, 1996|
|Patent Abstracts of Japan – English Abstracts||From October 01, 1976|
Citations: Backward citation data is present for the US granted patents and EP patents and applications (note: no citations are printed on US applications). No citation data is present in the WO or JP collections.
Non-patent (literature) citation data is present for US granted patents (note: no citations are printed on US applications).
For each collection, SumoBrain provides forward citation information only in cases where the citing document is an EP or US document.
Source codes or relevancy indicators are not present for any citations.
Legal Status: Parent case information is available for some US patents, and includes information on claimed priority and continuations. This legal status data is limited to linking patents to their related patent documents.
Family Data: No family data is available in SumoBrain.
Document Images: Representative images are available for select patents. Full PDF versions are available for all US, EP, and PCT documents.
For an in-depth discussion of this system's bibliographic coverage, please see the Bibliographic Coverage section.