In early 2005, IBM authorized the use of 500 patents to open source software developers. In a document at
ibm.com/ibm/licensing/patents/pledgedpatents.pdf , now you can read a list of five hundred patents and the words "
as well as all counterparts of these are the patents issued by the Open Source Software .
On November 18, 2009, Roger Bowler, President of TurboHercules SAS, wrote a letter to IBM asking for permission to distribute the TurboHercules application. The application source code is licensed under the Q Public License. TurboHercules was supposed to offer end users as a solution for disaster recovery on IBM mainframes.
On March 11, 2010, Mark Anzani, vice president of IBM Systems and Technology for System z products, sent a
letter to Roger Bowler listing 106 of IBM's infringed patents and 67 pending patents.
On March 23, TurboHercules SAS
filed a complaint against IBM with the European Commission.
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And the most interesting: yesterday, April 6, Florian Muller (known as the organizer of the campaign NoSoftwarePatents)
noted in his blog that among the 106 patents there are two patents mentioned in 2005 among the 500 patents allowed for use. These are patents
nos .
5,613,086 and
5,220,669 .
Updated. IBM Denies Breaking Its Open-Source Promise (via
BmW ).