Growing community of inventors

Arlington, MA, United States of America

Helen Colquhoun

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 = 17

Helen ColquhounStephen Jay Kanes (3 patents)Helen ColquhounHelen Colquhoun (3 patents)Stephen Jay KanesStephen Jay Kanes (7 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sage Therapeutics, Inc. (3 from 92 patents)


3 patents:

1. 12083131 - Neuroactive steroids, compositions, and uses thereof

2. 11554125 - Neuroactive steroids, compositions, and uses thereof

3. 10940156 - Neuroactive steroids, compositions, and uses thereof

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as of
12/5/2025
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