File:US granted software patents.png
Original file (970 × 694 pixels, file size: 10 KB, MIME type: image/png)
Captions
Summary
[edit]DescriptionUS granted software patents.png |
Graph using data obtained from the USPTO website showing the total number of patents granted per year since 1971 against the number of "software patents" granted per year. Software patents were identified using a technique proposed by Bessen & Hunt and described in List of software patents. Specifically, the following search was run in the USPTO patent database for values of x between 1971 and 2006
to obtain the number of software patents. Then a similar search was run:
to obtain the total number of patents over the same period. The actual obtained data by this method and illustrated in the graph was as follows:
|
Date | |
Source | Own work with data taken from USPTO website |
Author | Geoff Dallimore |
Permission (Reusing this file) |
Public domain |
Licensing
[edit]Public domainPublic domainfalsefalse |
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 16:06, 16 February 2007 | 970 × 694 (10 KB) | GDallimore (talk | contribs) | {{Information |Description=Graph using data obtained from the USPTO website showing the total number of patents granted per year since 1971 against the number of "software patents" granted per year. Software patents were identified using a technique propo |
You cannot overwrite this file.
File usage on Commons
There are no pages that use this file.
File usage on other wikis
The following other wikis use this file:
- Usage on en.wikipedia.org
- Usage on it.wikipedia.org
- Usage on it.wikiversity.org