Prosecution Insights
Last updated: July 17, 2026
Application No. 18/290,259

ENGINEERING STEM CELLS FOR ALLOGENIC CAR T CELL THERAPIES

Non-Final OA
Filed
Nov 10, 2023
Priority
May 14, 2021 — provisional 63/188,872 +1 more
Examiner
LY, KRISTINA ELISABETH
Art Unit
1671
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
The Regents of the University of California
OA Round
1 (Non-Final)
50%
Grant Probability
Moderate
1-2
OA Rounds
3m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 50% of resolved cases
50%
Career Allowance Rate
2 granted / 4 resolved
-10.0% vs TC avg
Strong +100% interview lift
Without
With
+100.0%
Interview Lift
resolved cases with interview
Typical timeline
3y 0m
Avg Prosecution
46 currently pending
Career history
34
Total Applications
across all art units

Statute-Specific Performance

§101
1.6%
-38.4% vs TC avg
§103
54.0%
+14.0% vs TC avg
§102
3.2%
-36.8% vs TC avg
§112
27.0%
-13.0% vs TC avg
Black line = Tech Center average estimate • Based on career data from 4 resolved cases

Prosecution Timeline

Nov 10, 2023
Application Filed
Apr 28, 2026
Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12655396
CONSTRUCTION AND APPLICATION OF RECOMBINANT H5N8 SUBTYPE AVIAN INFLUENZA VIRUS CARRYING MAPPLE FLUORESCENCE REPORTER GENE
2y 11m to grant Granted Jun 16, 2026
Study what changed to get past this examiner. Based on 1 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
50%
Grant Probability
99%
With Interview (+100.0%)
3y 0m (~3m remaining)
Median Time to Grant
Low
PTA Risk
Based on 4 resolved cases by this examiner. Grant probability derived from career allowance rate.

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