For the Inventor, By the Inventor

Enter assignee name

San Diego, CA, United States of America

Atyr Pharma, Inc.

USPTO Granted Patents = 93

% Expired Patents = 12.9

CIPO Patents = 8

EPO Patents = 33

Trademarks = 1

Forward Citations = 719

Loading Chart...

Loading Chart...

47 inventors (with patents filed for the assignee):

Leslie Ann Greene (74 out of 76 patents)

John D Mendlein (67 out of 87 patents)

Kyle P Chiang (66 out of 68 patents)

4. Jeffry Dean Watkins (66 out of 106 patents)

5. Fei Hong (61 out of 62 patents)

6. Wing-Sze Lo (60 out of 62 patents)

7. Alain Philippe Vasserot (59 out of 98 patents)

8. Cheryl L Quinn (54 out of 55 patents)

9. Kristi Helen Piehl (23 out of 24 patents)

10. Ryan Andrew Adams (14 out of 14 patents)

11. Zhiwen Xu (12 out of 12 patents)

12. Chi-Fang Wu (10 out of 10 patents)

13. Ying Buechler (10 out of 18 patents)

14. Ching-Fun Lau (8 out of 9 patents)

15. Jie Zhou (7 out of 9 patents)

Core Competencies:

Aminoacyl tRNA Synthetases

Histidyl-tRNA Synthetase

Anti-NRP2 Antibodies

Therapeutic Compositions

Lung Inflammation

Polypeptides

Diagnostic Compositions

Cell Signaling Activity

Inflammation Modulation

Protein Fragments

Splice Variants

PEGylated Polypeptides

93 patents: Sort by Forward Citations

1. 12492392 - HISTIDYL-TRNA SYNTHETASE-FC CONJUGATES AND THERAPEUTICS USING THE SAME (2025-12-09),

2. 12410253 - Compositions comprising anti-NRP2 antibodies (2025-09-09),

3. 12065495 - Compositions and methods comprising anti-NRP2 antibodies (2024-08-20),

4. 11807687 - Therapeutic compositions comprising anti-NRP2 antibodies (2023-11-07),

5. 11767520 - Compositions and methods for treating lung inflammation (2023-09-26),

6. 11505610 - Compositions and methods comprising anti-NRP2 antibodies (2022-11-22),

7. 11078299 - Compositions and methods comprising histidyl-tRNA synthetase splice variants having non-canonical biological activities (2021-08-03),

8. 11072787 - Histidyl-tRNA synthetase-Fc conjugates (2021-07-27),

9. 10941214 - Compositions and methods comprising histidyl-tRNA synthetase splice variants having non-canonical biological activities (2021-03-09),

10. 10711260 - Histidyl-tRNA synthetase-Fc conjugates (2020-07-14),

11. 10669533 - Innovative discovery of therapeutic, diagnostic, and antibody compositions related to protein fragments of Histidyl-tRNA synthetases (2020-06-02),

12. 10563192 - Innovative discovery of therapeutic, diagnostic, and antibody compositions related to protein fragments of threonyl-tRNA synthetases (2020-02-18),

13. 10563191 - Innovative discovery of therapeutic, diagnostic, and antibody compositions related protein fragments of tryptophanyl tRNA synthetases (2020-02-18),

14. 10526419 - Compositions and methods comprising histidyl-tRNA synthetase splice variants having non-canonical biological activities (2020-01-07),

15. 10472618 - Histidyl-tRNA synthetase-Fc conjugates (2019-11-12),

Company Overview

Atyr Pharma, Inc., based in San Diego, CA, specializes in the development of innovative therapeutics targeting aminoacyl tRNA synthetases. The company focuses on advancing treatments for conditions related to lung inflammation and other diseases through its proprietary technologies, including histidyl-tRNA synthetase and anti-NRP2 antibodies. Atyr Pharma is dedicated to creating therapeutic and diagnostic compositions that enhance cell signaling activity, aiming to address unmet medical needs in various therapeutic areas.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

93 Patents

#67 in San Diego, CA

#943 in California

#4,035 in US

#8,299 in the World

San Diego, CA, United States of America

Atyr Pharma, Inc.

Forward Citations = 719

47 inventors:

Leslie Ann Greene (74 out of 76 patents)

John D Mendlein (67 out of 87 patents)

Kyle P Chiang (66 out of 68 patents)

4. Jeffry Dean Watkins (66 out of 106 patents)

5. Fei Hong (61 out of 62 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Atyr Pharma, Inc.. Retrieved from https://idiyas.com/company/atyr-pharma

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]

Loading…