1. Mci Communications Corporation (10 from 473 patents)

2. Mci, Inc. (5 from 161 patents)

3. Worldcom, Inc. (4 from 132 patents)

4. Other (2 from 832,843 patents)

5. Verizon Business Global LLC (2 from 289 patents)

6. Mci Worldcom, Inc. (2 from 72 patents)

7. Science Applications International Corporation (1 from 461 patents)

8. Leidos, Inc. (1 from 127 patents)

9. Ol Security Limited Liability Company (1 from 41 patents)

10. Tekla Pehr LLC (1 from 7 patents)

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