Prosecution Insights
Last updated: April 19, 2026

Don D. Cha

16 pending office actions • 7 clients

Portfolio Summary

16
Total Pending OAs
2
Final Rejections
14
Non-Final OAs

Client Portfolio (7 clients)

Client (Assignee)Pending OAs
Ocugen, Inc. 5
Acondicionamiento Tarrasense 4
UNIVERSITY OF MARYLAND, BALTIMORE 2
Osaka University 2
South China University Of Technology 1
Telefonica Cibersecurity Tech, S.L.U. 1
Wuhan Academy Of Agricultural Sciences 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
18710571 Untitled South China University Of Technology KIDWELL, KAITLYN ELIZABETH 2877 Non-Final OA
18623682 STABLE HIGH CONDUCTIVITY OXIDE ELECTROLYTE UNIVERSITY OF MARYLAND, BALTIMORE VAN OUDENAREN, MATTHEW W 1728 Non-Final OA Apr 01, 2024
18577263 Mature-Hepatocyte Transdifferentiation Suppressing Composition Osaka University MOTEVALLI, OROD 1628 Non-Final OA Jan 22, 2024
18266366 METHOD AND SYSTEM FOR ENCODING AND DECODING INFORMATION IN TEXTS Telefonica Cibersecurity Tech, S.L.U. AYALA, KEVIN ALEXIS 2496 Final Rejection Dec 28, 2023
18540842 Compound Tulathromycin Nanoemulsion, and Preparation Method and Use Thereof Wuhan Academy Of Agricultural Sciences KRISHNAN, GANAPATHY 1693 Non-Final OA Dec 14, 2023
18503177 Treatment of Neurological Disorder Using NHR Ocugen, Inc. PURDY, KYLE A 1611 Non-Final OA Nov 06, 2023
18557933 New Pyridine-Sulfonamide Derivatives as Sigma Ligands Acondicionamiento Tarrasense NEAGU, IRINA 1629 Non-Final OA Oct 28, 2023
18554195 New (Homo)Piperidinyl Heterocycles as Sigma Ligands Acondicionamiento Tarrasense HABTE, KAHSAY 1624 Non-Final OA Oct 05, 2023
18550958 New 5,6,7,8-Tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4(3H)-one Derivatives as Sigma Ligands Acondicionamiento Tarrasense SAMSELL, RILLA MARIE 1624 Non-Final OA Sep 16, 2023
18549907 New 2,3-Dihydro-1H-pyrrolo[3,2-b]pyridine Derivatives as Sigma Ligands Acondicionamiento Tarrasense DAHLIN, HEATHER RAQUEL 1629 Non-Final OA Sep 09, 2023
18197692 METHOD FOR USE OF A DOUBLE-STRUCTURED TISSUE IMPLANT FOR TREATMENT OF TISSUE DEFECTS Ocugen, Inc. SCHERBEL, TODD J 3771 Non-Final OA May 15, 2023
17801260 High-Performance Microsized Anodes and Methods of Making and Using the Same UNIVERSITY OF MARYLAND, BALTIMORE YOON, KEVIN E 1735 Non-Final OA Aug 21, 2022
17766728 External Preparation for Treating Epilepsy or Autism Spectrum Disorder Osaka University MCMILLIAN, KARA RENITA 1623 Final Rejection Apr 05, 2022
17668511 NEOCARTILAGE CONSTRUCTS USING UNIVERSAL CELLS Ocugen, Inc. BOECKELMAN, JACOB A 1655 Non-Final OA Feb 10, 2022
16973987 SCAFFOLD WITH ADHESIVE FOR ARTICULAR CARTILAGE REPAIR Ocugen, Inc. HOBAN, MELISSA A 3774 Non-Final OA Dec 10, 2020
17080078 ADENO-ASSOCIATED VIRUS VECTOR MEDIATED GENE THERAPY FOR OPHTHALMIC DISEASES Ocugen, Inc. REGLAS, GEORGIANA C 1651 Non-Final OA Oct 26, 2020

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