Growing community of inventors

Columbia, MD, United States of America

John L Jacobs

Average Co-Inventor Count = 3.00

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 83

John L JacobsSteven M Bloom (6 patents)John L JacobsMichael S Spector (6 patents)John L JacobsJohn L Jacobs (6 patents)Steven M BloomSteven M Bloom (15 patents)Michael S SpectorMichael S Spector (7 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The Nasdaq Omx Group, Inc. (5 from 58 patents)

2. The Nasdaq Stock Market, Inc. (1 from 13 patents)


6 patents:

1. 7983983 - Arbitrage of tracking securities

2. 7983985 - Balancing arbitragable tracking securities

3. 7813992 - Balancing arbitragable tracking securities

4. 7809627 - Balancing arbitragable tracking securities

5. 7680725 - Arbitrage of tracking securities

6. 7249086 - Arbitrage of tracking securities

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as of
12/15/2025
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