1. Lexisnexis, a Division of Reed Elsevier Inc. (9 from 59 patents)

2. Relx Inc. (8 from 31 patents)

3. Church Dwight & Co., Inc. (2 from 546 patents)

4. Other (1 from 832,761 patents)

5. Block Drug Company, Inc. (1 from 104 patents)

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