Prosecution Insights
Last updated: May 29, 2026
Application No. 18/262,507

CARBON BLACK, CARBON BLACK PRODUCTION METHOD, COMPOSITION FOR ELECTRODE, ELECTRODE, AND SECONDARY BATTERY

Final Rejection
Filed
Jul 21, 2023
Priority
Feb 05, 2021 — JP 2021-017669 +1 more
Examiner
HENDRICKSON, STUART L
Art Unit
1736
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Denka Company Limited
OA Round
2 (Final)
72%
Grant Probability
Favorable
3-4
OA Rounds
3m
Est. Remaining
80%
With Interview

Examiner Intelligence

Grants 72% — above average
72%
Career Allowance Rate
708 granted / 979 resolved
+7.3% vs TC avg
Moderate +8% lift
Without
With
+8.0%
Interview Lift
resolved cases with interview
Typical timeline
3y 1m
Avg Prosecution
30 currently pending
Career history
1017
Total Applications
across all art units

Statute-Specific Performance

§101
0.2%
-39.8% vs TC avg
§103
79.8%
+39.8% vs TC avg
§102
0.7%
-39.3% vs TC avg
§112
8.2%
-31.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 979 resolved cases

Prosecution Timeline

Jul 21, 2023
Application Filed
Jan 07, 2026
Non-Final Rejection mailed
Apr 02, 2026
Response Filed
Apr 23, 2026
Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12636632
CARBON-CARBON COMPOSITE SORBENT FORMULATIONS FOR CARBON DIOXIDE ADSORPTION, AND RELATED METHODS
2y 0m to grant Granted May 26, 2026
Patent 12614735
COMPOSITION OF AND METHOD FOR OPTIMIZING A CATALYTIC REACTION
3y 11m to grant Granted Apr 28, 2026
Patent 12611649
BIOGENIC ACTIVATED CARBON AND METHODS OF MAKING AND USING SAME
2y 4m to grant Granted Apr 28, 2026
Patent 12605692
LIQUID ABSORBING BODY
4y 2m to grant Granted Apr 21, 2026
Patent 12606442
METHODS AND SYSTEMS FOR PRODUCING SOLID INORGANIC CARBONATE AND BICARBONATE COMPOUNDS
3y 1m to grant Granted Apr 21, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

3-4
Expected OA Rounds
72%
Grant Probability
80%
With Interview (+8.0%)
3y 1m (~3m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 979 resolved cases by this examiner. Grant probability derived from career allowance rate.

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