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Office Actions › Ehang Intelligent Equipment (Guangzhou) Co., LTD. › 35521152
Last updated: April 16, 2026
Application No. 35/521,152

Autonomous manned aircraft

Final Rejection
Filed
Mar 26, 2024
Examiner
CASH, MARISSA J
Art Unit
2961
Tech Center
2900
Assignee
Ehang Intelligent Equipment (Guangzhou) Co., LTD.
OA Round
2 (Final)
94%
Grant Probability
Favorable
3-4
OA Rounds
1y 9m
To Grant
96%
With Interview

Interview Optional

— +2.6% interview lift. This examiner has a relatively high allow rate; a written response may suffice.
Based on 691 resolved cases, 2023–2026

Examiner Intelligence

CASH, MARISSA J View full profile →
Grants 94% — above average
94%
Career Allow Rate
647 granted / 691 resolved
+33.6% vs TC avg
Minimal +3% lift
Without
With
+2.6%
Interview Lift
resolved cases with interview
Fast prosecutor
1y 9m
Avg Prosecution
0 currently pending
Career history
691
Total Applications
across all art units

Statute-Specific Performance

§103
3.3%
-36.7% vs TC avg
§102
7.2%
-32.8% vs TC avg
§112
72.8%
+32.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 691 resolved cases

Prosecution Timeline

Mar 26, 2024
Application Filed
Apr 08, 2025
Non-Final Rejection
Jul 02, 2025
Response Filed
Aug 30, 2025
Final Rejection
Apr 06, 2026
Response after Non-Final Action

Precedent Cases

Applications granted by this same examiner with similar technology

35/524,117
Patent D1113630
Aircraft
2y 5m to grant Granted Feb 17, 2026
29/932,826
Patent D1104920
NON-PLANAR, CLOSED HYDROFOIL WING
2y 5m to grant Granted Dec 09, 2025
29/956,345
Patent D1105270
TOY AIRCRAFT
2y 5m to grant Granted Dec 09, 2025
29/965,145
Patent D1104858
DRONE
2y 5m to grant Granted Dec 09, 2025
29/936,791
Patent D1103883
AIRSHIP-AIRPLANE HYBRID VEHICLE
2y 5m to grant Granted Dec 02, 2025
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

3-4
Expected OA Rounds
94%
Grant Probability
96%
With Interview (+2.6%)
1y 9m
Median Time to Grant
Moderate
PTA Risk
Based on 691 resolved cases by this examiner. Grant probability derived from career allow rate.

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Data sourced from USPTO Patent File Wrapper (daily) and Office Action Archive (weekly). Analysis generated by IP Author.

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