Last updated: July 17, 2026

Application No. 18/562,583

FERRITIC STAINLESS STEEL

Non-Final OA

Filed

Nov 20, 2023

Priority

Jun 28, 2021 — JP 2021-106291 +1 more

Examiner

WALCK, BRIAN D

Art Unit

1738

Tech Center

1700 — Chemical & Materials Engineering

Assignee

JFE Steel Corporation

OA Round

1 (Non-Final)

This examiner grants 59% of cases after interview

— +26.8% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 834 resolved cases, 2023–2026

Examiner Intelligence

WALCK, BRIAN D View full profile →

Grants 59% of resolved cases

Career Allowance Rate

489 granted / 834 resolved

-6.4% vs TC avg

Strong +27% interview lift

Without

With

+26.8%

Interview Lift

resolved cases with interview

Typical timeline

3y 3m

Avg Prosecution

32 currently pending

Career history

868

Total Applications

across all art units

Statute-Specific Performance

§101

0.7%

-39.3% vs TC avg

§103

73.4%

+33.4% vs TC avg

§102

5.0%

-35.0% vs TC avg

§112

3.9%

-36.1% vs TC avg

Black line = Tech Center average estimate • Based on career data from 834 resolved cases

Prosecution Timeline

Nov 20, 2023

Application Filed

Mar 19, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/031,104

Patent 12668852

STEEL SHEET AND METHOD OF MANUFACTURING THE SAME

3y 2m to grant Granted Jun 30, 2026

17/781,621

Patent 12643144

RARE EARTH SINTERED MAGNET

4y 0m to grant Granted Jun 02, 2026

18/565,655

Patent 12637744

HOT-DIP GALVANIZED STEEL SHEET AND METHOD FOR PRODUCING SAME, AND MEMBER

2y 5m to grant Granted May 26, 2026

18/740,588

Patent 12637743

LOW-ALLOYED MAGNESIUM ALLOY WITH HIGH DUCTILITY AND HIGH DAMPING CAPACITIES AT ROOM TEMPERATURE AND PREPARATION METHOD THEREOF

1y 11m to grant Granted May 26, 2026

17/271,663

Patent 12630895

HIGH-STRENGTH STEEL SHEET AND METHOD FOR PRODUCING SAME

5y 2m to grant Granted May 19, 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.

Typically takes 5-10 seconds — AI-generated, attorney review required before filing

Prosecution Projections

1-2

Expected OA Rounds

59%

Grant Probability

85%

With Interview (+26.8%)

3y 3m (~7m remaining)

Median Time to Grant

Low

PTA Risk

Based on 834 resolved cases by this examiner. Grant probability derived from career allowance rate.