1. Amgen Fremont Inc. (34 from 78 patents)

2. Ablexis, LLC (20 from 22 patents)

3. Pfizer Corporation (10 from 4,455 patents)

4. Abgenix, Inc. (6 from 32 patents)

5. Amgen Inc. (5 from 1,974 patents)

6. Abbott Laboratories Corporation (3 from 4,179 patents)

7. Medimmune Limited (3 from 541 patents)

8. Daiichi Sankyo Europe Gmbh (2 from 14 patents)

9. U3 Pharma Gmbh (2 from 10 patents)

10. Psma Development Company, LLC (2 from 5 patents)

11. Agouron Pharmaceuticals, Inc. (1 from 174 patents)

12. Absos, LLC (1 from 1 patent)

13. Japan Tobacco Inc. (1,039 patents)

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