Last updated: July 05, 2026

Application No. 18/000,288

IRON-BASED POWDER FOR DUST CORE, DUST CORE, AND METHOD OF MANUFACTURING DUST CORE

Non-Final OA

Filed

May 24, 2023

Priority

Jun 19, 2020 — JP 2020-106588 +1 more

Examiner

NGUYEN, TUYEN T

Art Unit

2837

Tech Center

2800 — Semiconductors & Electrical Systems

Assignee

JFE Steel Corporation

OA Round

1 (Non-Final)

Interview Optional

— +0.9% interview lift. Interview lift (+0.9%) is below the 15.0% threshold. A written response is recommended.

Based on 1242 resolved cases, 2023–2026

Examiner Intelligence

NGUYEN, TUYEN T View full profile →

Grants 81% — above average

Career Allowance Rate

1011 granted / 1242 resolved

+13.4% vs TC avg

Minimal +1% lift

Without

With

+0.9%

Interview Lift

resolved cases with interview

Typical timeline

2y 7m

Avg Prosecution

54 currently pending

Career history

1306

Total Applications

across all art units

Statute-Specific Performance

§101

0.4%

-39.6% vs TC avg

§103

82.5%

+42.5% vs TC avg

§102

5.7%

-34.3% vs TC avg

§112

5.8%

-34.2% vs TC avg

Black line = Tech Center average estimate • Based on career data from 1242 resolved cases

Prosecution Timeline

May 24, 2023

Application Filed

Mar 02, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/911,973

Patent 12665120

REACTOR, CONVERTER, AND POWER CONVERSION DEVICE

3y 9m to grant Granted Jun 23, 2026

17/987,260

Patent 12665121

Stationary Induction Electric Apparatus

3y 7m to grant Granted Jun 23, 2026

18/090,240

Patent 12665124

COIL COMPONENT

3y 5m to grant Granted Jun 23, 2026

17/911,978

Patent 12658353

REACTOR, CONVERTER, AND POWER CONVERSION DEVICE

3y 9m to grant Granted Jun 16, 2026

18/249,420

Patent 12658357

Coil and Electrical System Including the Same

3y 2m to grant Granted Jun 16, 2026

Study what changed to get past this examiner. Based on 5 most recent grants.

Strategy Recommendation AI-generated — please review before filing

Get a prosecution strategy drawn from examiner precedents, rejection analysis, and claim mapping.

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Prosecution Projections

1-2

Expected OA Rounds

81%

Grant Probability

82%

With Interview (+0.9%)

2y 7m (~0m remaining)

Median Time to Grant

Low

PTA Risk

Based on 1242 resolved cases by this examiner. Grant probability derived from career allowance rate.