1. Open Invention Network LLC (29 from 1,033 patents)

2. Intercall, Inc. (9 from 17 patents)

3. West Corporation (3 from 634 patents)

4. Red Hat, Inc. (2 from 3,546 patents)

5. International Business Machines Corporation (1 from 164,173 patents)

6. Open Invention Newtork, LLC (1 from 1 patent)

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