Prosecution Insights
Last updated: July 17, 2026
Application No. 18/848,561

MULTICORE OPTICAL FIBER

Non-Final OA
Filed
Sep 19, 2024
Priority
Mar 24, 2022 — JP 2022-048368 +1 more
Examiner
WONG, ERIC K
Art Unit
Tech Center
Assignee
Sumitomo Electric Industries Ltd.
OA Round
1 (Non-Final)
84%
Grant Probability
Favorable
1-2
OA Rounds
5m
Est. Remaining
92%
With Interview

Examiner Intelligence

Grants 84% — above average
84%
Career Allowance Rate
781 granted / 930 resolved
+24.0% vs TC avg
Moderate +8% lift
Without
With
+8.4%
Interview Lift
resolved cases with interview
Typical timeline
2y 2m
Avg Prosecution
36 currently pending
Career history
967
Total Applications
across all art units

Statute-Specific Performance

§101
0.1%
-39.9% vs TC avg
§103
76.7%
+36.7% vs TC avg
§102
19.2%
-20.8% vs TC avg
§112
1.2%
-38.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 930 resolved cases

Prosecution Timeline

Sep 19, 2024
Application Filed
May 14, 2026
Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12674939
LIGHT GUIDE PLATE
3y 0m to grant Granted Jul 07, 2026
Patent 12669644
DESIGNS OF THERMAL INSULATION FOR MICRO-RING RESONATOR (MRR) IN ON-CAVITY PIC (OCPIC) TO ACHIEVE EFFECTIVE THERMAL TUNING
4y 3m to grant Granted Jun 30, 2026
Patent 12645027
METHODS FOR PRODUCING HOLLOW-CORE OPTICAL FIBERS
2y 10m to grant Granted Jun 02, 2026
Patent 12645045
MICRO SHEATH BUFFER TUBE WITH ROLLABLE RIBBONS
2y 7m to grant Granted Jun 02, 2026
Patent 12645046
COMMUNICATIONS PANEL SYSTEMS
2y 8m to grant Granted Jun 02, 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
92%
With Interview (+8.4%)
2y 2m (~5m remaining)
Median Time to Grant
Low
PTA Risk
Based on 930 resolved cases by this examiner. Grant probability derived from career allowance rate.

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