Prosecution Insights
Last updated: July 17, 2026
Application No. 18/643,984

CYLINDRICAL SECONDARY BATTERY

Non-Final OA
Filed
Apr 23, 2024
Priority
Dec 02, 2021 — RE 10-2021-0170923 +1 more
Examiner
FREEMAN, EMILY ELIZABETH
Art Unit
1724
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Samsung SDI Co., Ltd.
OA Round
1 (Non-Final)
72%
Grant Probability
Favorable
1-2
OA Rounds
1y 0m
Est. Remaining
86%
With Interview

Examiner Intelligence

Grants 72% — above average
72%
Career Allowance Rate
104 granted / 144 resolved
+7.2% vs TC avg
Moderate +13% lift
Without
With
+13.3%
Interview Lift
resolved cases with interview
Typical timeline
3y 3m
Avg Prosecution
28 currently pending
Career history
193
Total Applications
across all art units

Statute-Specific Performance

§101
0.8%
-39.2% vs TC avg
§103
79.4%
+39.4% vs TC avg
§102
16.5%
-23.5% vs TC avg
§112
0.4%
-39.6% vs TC avg
Black line = Tech Center average estimate • Based on career data from 144 resolved cases

Prosecution Timeline

Apr 23, 2024
Application Filed
May 18, 2026
Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12671127
Top Cooling Type Battery Pack
4y 5m to grant Granted Jun 30, 2026
Patent 12671073
METHOD OF MANUFACTURING SECONDARY BATTERY
3y 11m to grant Granted Jun 30, 2026
Patent 12646794
Danger Sensing Battery Cell
4y 10m to grant Granted Jun 02, 2026
Patent 12597676
BATTERY CELL, METHOD AND SYSTEM FOR MANUFACTURING BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE
3y 6m to grant Granted Apr 07, 2026
Patent 12592455
High-Voltage Battery Module Including Outer Bridge Bus Bar
3y 10m to grant Granted Mar 31, 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
72%
Grant Probability
86%
With Interview (+13.3%)
3y 3m (~1y 0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 144 resolved cases by this examiner. Grant probability derived from career allowance rate.

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