Prosecution Insights
Last updated: April 24, 2026
Application No. 18/706,032

Untitled Application

Unknown
Filed
1700
Examiner
SNELTING, ERIN LYNN
Art Unit
1741
Tech Center
Sumitomo Electric Optifrontier Co., Ltd.
Assignee
Sumitomo Electric Industries, Ltd.
OA Round
1 (Non-Final)
70%
Grant Probability
Favorable
1-2
OA Rounds
3y 3m
To Grant
99%
With Interview

Examiner Intelligence

Grants 70% — above average
70%
Career Allow Rate
564 granted / 809 resolved
+9.7% vs TC avg
Strong +34% interview lift
Without
With
+33.7%
Interview Lift
resolved cases with interview
Typical timeline
3y 3m
Avg Prosecution
34 currently pending
Career history
843
Total Applications
across all art units

Statute-Specific Performance

§101
0.5%
-39.5% vs TC avg
§103
47.4%
+7.4% vs TC avg
§102
14.7%
-25.3% vs TC avg
§112
32.5%
-7.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 809 resolved cases

Prosecution Timeline

1700
Application Filed
Mar 20, 2026
Non-Final Rejection (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12600676
POLYMER-DERIVED CERAMIC FIBERS AND METHODS OF PREPARING THE SAME
2y 5m to grant Granted Apr 14, 2026
Patent 12577171
PROCESS FOR OBTAINING COMPOSITE, ULTRA-REFRACTORY, FIBRE-REINFORCED CERAMIC MATERIALS
2y 5m to grant Granted Mar 17, 2026
Patent 12577140
VERTICAL MELTING FURNACE FOR IGNEOUS ROCK FIBER MANUFACTURING
2y 5m to grant Granted Mar 17, 2026
Patent 12565439
METHOD FOR PRODUCING AN OPTICAL ELEMENT OF GLASS
2y 5m to grant Granted Mar 03, 2026
Patent 12565441
OPTICAL FIBER MANUFACTURING METHOD AND OPTICAL FIBER MANUFACTURING APPARATUS
2y 5m to grant Granted Mar 03, 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
70%
Grant Probability
99%
With Interview (+33.7%)
3y 3m
Median Time to Grant
Low
PTA Risk
Based on 809 resolved cases by this examiner. Grant probability derived from career allow rate.

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