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San Francisco, CA, United States of America

David Shefferman

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 33

David SheffermanAlex Parr (2 patents)David SheffermanDavid Shefferman (2 patents)Alex ParrAlex Parr (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Trulia, LLC (2 from 8 patents)


2 patents:

1. 10872100 - Verifying the validity and status of data from disparate sources

2. 10078679 - Verifying the validity and status of data from disparate sources

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as of
12/18/2025
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