Prosecution Insights
Last updated: July 05, 2026
Application No. 18/596,871

RAIL VEHICLE

Non-Final OA
Filed
Mar 06, 2024
Priority
Mar 08, 2023 — JP 2023-035353
Examiner
SMITH, JASON CHRISTOPHER
Art Unit
Tech Center
Assignee
Hitachi Ltd.
OA Round
1 (Non-Final)
84%
Grant Probability
Favorable
1-2
OA Rounds
0m
Est. Remaining
96%
With Interview

Examiner Intelligence

Grants 84% — above average
84%
Career Allowance Rate
1290 granted / 1541 resolved
+23.7% vs TC avg
Moderate +13% lift
Without
With
+12.8%
Interview Lift
resolved cases with interview
Typical timeline
2y 3m
Avg Prosecution
55 currently pending
Career history
1577
Total Applications
across all art units

Statute-Specific Performance

§101
0.2%
-39.8% vs TC avg
§103
73.5%
+33.5% vs TC avg
§102
6.4%
-33.6% vs TC avg
§112
8.1%
-31.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1541 resolved cases

Prosecution Timeline

Mar 06, 2024
Application Filed
May 20, 2026
Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12668132
Rocker for a Current Collector of a Vehicle
4y 0m to grant Granted Jun 30, 2026
Patent 12654753
RAILROAD VIRTUAL TRACK BLOCK SYSTEM
2y 10m to grant Granted Jun 16, 2026
Patent 12630197
OVERHEAD TRANSPORT VEHICLE SYSTEM
3y 3m to grant Granted May 19, 2026
Patent 12623701
AUTOMATIC ARMING OF A HEAD-OF-TRAIN DEVICE TO AN END-OF-TRAIN DEVICE
3y 12m to grant Granted May 12, 2026
Patent 12623695
RAIL INSPECTION DEVICE
3y 4m to grant Granted May 12, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
84%
Grant Probability
96%
With Interview (+12.8%)
2y 3m (~0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1541 resolved cases by this examiner. Grant probability derived from career allowance rate.

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