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For the Inventor, By the Inventor

Schertz, TX, United States of America

Evestra, Inc.

Calculating rank
USPTO Granted Patents = 11

% Expired Patents = 9.1


Trademarks = 2

Forward Citations = 61

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13 inventors (with patents filed for the assignee):

goldMedal Klaus Nickisch (10 out of 53 patents)

silverMedal Bindu Santhamma (8 out of 8 patents)

bronzeMedal Hareesh Nair (7 out of 7 patents)

4.  Gulzar Ahmed (4 out of 4 patents)

5.  Walter Elger (4 out of 122 patents)

6.  Frederick Meece (3 out of 3 patents)

7.  Ralf Wyrwa (2 out of 7 patents)

8.  Kesavaram Narkunan (2 out of 7 patents)

9.  James W Cessac (2 out of 12 patents)

10.  Baishakhi Das (1 out of 1 patent)

11.  Kirk Acosta (1 out of 1 patent)

12.  Pemmaraju Narasimha Rao (1 out of 16 patents)

13.  Swapna Konda (1 out of 1 patent)

14.  Anne Marie Simmons (3 patents)

15.  Baishakhi Debnath (0 patent)


11 patents:

1. 12747263 - Orally active leukemia inhibitory factor (LIF) antagonists for the treatment of cancer (2026-09-29),
2. 10738075 - Cytotoxic agents that preferentially target leukemia inhibitory factor (LIF) for the treatment of malignancies and as new contraceptive agents (2020-08-11),
3. 10624903 - Longer-acting progestin prodrug contraceptives (2020-04-21),
4. 10273263 - Pro-drug forming compounds (2019-04-30),
5. 10053485 - Cytotoxic agents that preferentially target leukemia inhibitory factor (LIF) for the treatment of malignancies and as new contraceptive agents (2018-08-21),
6. 9850273 - Combination of estrogens plus antiprogestins with significant partial agonistic effect as an effective treatment of menopausal symptoms and for prevention of the occurrence of breast cancer (2017-12-26),
7. 9745338 - Pro-drug forming compounds (2017-08-29),
8. 9096641 - Imidazolyl progesterone antagonists (2015-08-04),
9. 8673968 - Progesterone antagonists (2014-03-18),
10. 8334375 - Methods for the preparation of drospirenone (2012-12-18),
11. 8222237 - Progestational 3-(6,6-ethylene-17B-hydroxy-3-oxo-17A-pregna-4-ene-17A-yl)propionic acid G-lactones (2012-07-17),
Company Overview
Evestra, Inc. is a biotechnology company based in Schertz, Texas, specializing in the development of innovative therapeutic solutions. The organization focuses on advancing women's health through the research and commercialization of hormone-based therapies. Evestra's expertise lies in leveraging proprietary technologies to create effective treatments that address various health conditions, emphasizing safety and efficacy. The company is committed to improving patient outcomes and enhancing quality of life through its targeted therapeutic approaches.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 10 2026

Evestra, Inc. USPTO Patent Assignee Logo
11 Patents

#2 in Schertz, TX

#1,735 in Texas

#27,594 in US

#51,930 in the World

Schertz, TX (US)
Schertz, TX, United States of America

Evestra, Inc.

Forward Citations = 61

13 inventors:

goldMedal Klaus Nickisch (10 out of 53 patents)

silverMedal Bindu Santhamma (8 out of 8 patents)

bronzeMedal Hareesh Nair (7 out of 7 patents)

4.  Gulzar Ahmed (4 out of 4 patents)

5.  Walter Elger (4 out of 122 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Evestra, Inc.. Retrieved from https://idiyas.com/company/evestra

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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