Prosecution Insights
Last updated: July 17, 2026
Application No. 18/850,621

OBSERVATION DEVICE AND METHOD

Non-Final OA
Filed
Sep 25, 2024
Priority
Apr 19, 2022 — nonprovisional of PCTJP2022018149
Examiner
CULLER, JILL E
Art Unit
2853
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
Nippon Telegraph and Telephone Corporation
OA Round
1 (Non-Final)
57%
Grant Probability
Moderate
1-2
OA Rounds
1y 4m
Est. Remaining
71%
With Interview

Examiner Intelligence

Grants 57% of resolved cases
57%
Career Allowance Rate
491 granted / 855 resolved
-10.6% vs TC avg
Moderate +14% lift
Without
With
+13.7%
Interview Lift
resolved cases with interview
Typical timeline
3y 2m
Avg Prosecution
34 currently pending
Career history
892
Total Applications
across all art units

Statute-Specific Performance

§101
0.7%
-39.3% vs TC avg
§103
90.0%
+50.0% vs TC avg
§102
4.9%
-35.1% vs TC avg
§112
2.0%
-38.0% vs TC avg
Black line = Tech Center average estimate • Based on career data from 855 resolved cases

Prosecution Timeline

Sep 25, 2024
Application Filed
May 20, 2026
Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12680915
TIRE TESTING DEVICE
3y 4m to grant Granted Jul 14, 2026
Patent 12680931
DEVICE TO STANDARDIZE LABORATORY AIR-PARTICLE ABRASION TESTING
3y 1m to grant Granted Jul 14, 2026
Patent 12669410
TIRE TESTING DEVICE
1y 6m to grant Granted Jun 30, 2026
Patent 12656200
SYSTEM FOR READING PRESSURE OF A PRESSURE SENSOR AND METHOD THEREFOR
3y 6m to grant Granted Jun 16, 2026
Patent 12650302
REAL-TIME MONITORING DEVICE FOR POLAR NEARSHORE MARINE ENVIRONMENT
1y 11m to grant Granted Jun 09, 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
57%
Grant Probability
71%
With Interview (+13.7%)
3y 2m (~1y 4m remaining)
Median Time to Grant
Low
PTA Risk
Based on 855 resolved cases by this examiner. Grant probability derived from career allowance rate.

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