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| Search
Example: Patents - Citation Search |
| Question: |
Which patents are cited in the patent "US
5,000,075" ?
Otherwise, which patents are citing this patent? |
| Strategy: |
Patent Citations (cited and citing patents)
are easily retrieved in the DPCI
database (Derwent Patents Citation Index), which is a member of the
"Patents, Citation" category. |
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| Please click on the small screenshots to get larger ones. The large screenshots themselves can also be closed by clicking. |
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| Login: |
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If you do not have an existing STN account:
To open a new STN Easy account, click the blue "Open New Account" button on the STN Easy Home Page and complete and submit the online forms. Within 30 minutes, your STN login ID and password will be sent to the e-mail address you specify. |
If you have an existing STN account:
To log on to STN Easy, simply enter your login ID and password.
Then click "Start Your Session." |
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| Select Search Mode: |
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| The Search Page is displayed. It offers three different search options: "Easy", "Advanced" and "CAS Number" Search. |
| To locate patent information, select the "Advanced Search" tab. |
| The Advanced Search option prompts you to choose the category of databases you wish to search. Click the "Select Your Category" button for the list of categories. |
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| Select Databases: |
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| An additional browser window is opened. It displays the list of STN Easy database categories. |
| Click the "Patents, Citations" category to select it. The window closes and the name of the category is displayed next to the "Select Your Category" button. |
| You are ready to enter the search terms. |
Helpful HINT: To list the databases included in the category, simply click the
 Database
Folder icon to the left of the category. Furthermore,
if you do not want to search a particular database, just deselect
its corresponding check-box. |
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| Enter Search Terms: |
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| Depending on the selected patent database, the
Search Page features up to 16 different search-fields (e.g.
inventor, patent assignee, patent number, patent classes, publication
year, and more) which can be used singly or in combination. |
| Pick the search-field "Patent Number" from the first drop-down box. |
| Type the patent number in the associated entry box, avoiding any letter-spaces. |
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| Browse Index: |
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| You may click the grey "Browse Index"button
on the right to verify the patent number e.g. if the number
you entered is both spelled correctly and included in the database
you have chosen. Browse Index is free and an excellent way to
preview your search before you actually pay for it ! |
| Select the patent number you wish to search from the "Browse Index" list. |
| Click the green "Search" button. - Please note: The price for the search fee is displayed below the Search button. |
| Helpful HINT: In order to select discontinuous items from the list hold down the Control key (Command key on Macintosh). |
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| Answer Page: |
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| The answer is displayed as a table on the Answer Page. Your search question and total number of answers are shown at the top of the Answer Page as well. |
| STN Easy retrieves the patent in the DPCI database. To view the detailed record, simply click on its title hyperlink. The Display Format and Display Style drop-down menus at the bottom of the table of titles will be used. |
| In order to retrieve citation information from DPCI database, choose the "Standard Plus" Format which provides more comprehensive data than the Standard Format (in most cases limited to bibliographic information, abstract and drawing), e.g. the accurate numbers of citations. |
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| Display Page: |
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| The detailed record of the desired patent is displayed in the selected format and style - right at your desktop. |
Cited Patents are listed in the CDP CITED PATENTS field (inventor or examiner separately), later published citing Patents are listed below CGP CITING PATENTS.
Notice DPCIґs dynamic content: new citing patents are supplemented continually for a most comprehensive and up-to-date patent information! |
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| In order to start a new search, simply click the appropriate search option below the STN Easy Logo on the blue Navigation Frame and a new Search Page is displayed. |
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