Prosecution Insights
Last updated: July 17, 2026
Application No. 18/294,474

ESTIMATION METHOD OF DEPOSITIONAL SHAPE OF CHARGED MATERIAL INSIDE BLAST FURNACE AND REPLACEMENT METHOD OF COKE INSIDE BLAST FURNACE

Non-Final OA
Filed
Feb 01, 2024
Priority
Aug 17, 2021 — JP 2021-132661 +1 more
Examiner
SMOOT, MORIAH SIMONE MCMIL
Art Unit
1733
Tech Center
1700 — Chemical & Materials Engineering
Assignee
JFE Steel Corporation
OA Round
1 (Non-Final)
64%
Grant Probability
Moderate
1-2
OA Rounds
4m
Est. Remaining
69%
With Interview

Examiner Intelligence

Grants 64% of resolved cases
64%
Career Allowance Rate
72 granted / 113 resolved
-1.3% vs TC avg
Moderate +6% lift
Without
With
+5.6%
Interview Lift
resolved cases with interview
Typical timeline
2y 9m
Avg Prosecution
42 currently pending
Career history
151
Total Applications
across all art units

Statute-Specific Performance

§101
1.0%
-39.0% vs TC avg
§103
78.0%
+38.0% vs TC avg
§102
2.8%
-37.2% vs TC avg
§112
7.2%
-32.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 113 resolved cases

Prosecution Timeline

Feb 01, 2024
Application Filed
May 07, 2026
Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12680044
HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF
2y 5m to grant Granted Jul 14, 2026
Patent 12629749
SYSTEMS AND METHODS FOR PARTIAL SINTERING OF POWDER TO CREATE LARGER POWDER PARTICLES FOR ADDITIVE MANUFACTURING PROCESSES
3y 6m to grant Granted May 19, 2026
Patent 12624404
METHOD FOR OPERATING BLAST FURNACE
4y 0m to grant Granted May 12, 2026
Patent 12618119
HYDROGEN-RICH BLAST FURNACE IRONMAKING SYSTEM BASED ONMASS-ENERGY CONVERSION, AND PRODUCTION CONTROL METHOD THEREFOR
1y 2m to grant Granted May 05, 2026
Patent 12606883
Binder Formulation
5y 2m to grant Granted Apr 21, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

Strategy Recommendation AI-generated — please review before filing

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Prosecution Projections

1-2
Expected OA Rounds
64%
Grant Probability
69%
With Interview (+5.6%)
2y 9m (~4m remaining)
Median Time to Grant
Low
PTA Risk
Based on 113 resolved cases by this examiner. Grant probability derived from career allowance rate.

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