Last updated: July 17, 2026

Application No. 18/607,699

R-T-B BASED PERMANENT MAGNET

Non-Final OA

Filed

Mar 18, 2024

Priority

Mar 31, 2023 — JP 2023-058424 +1 more

Examiner

WU, JENNY R

Art Unit

Tech Center

Assignee

TDK Corporation

OA Round

1 (Non-Final)

This examiner grants 63% of cases after interview

— +16.1% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 853 resolved cases, 2023–2026

Examiner Intelligence

WU, JENNY R View full profile →

Grants 63% of resolved cases

Career Allowance Rate

540 granted / 853 resolved

+3.3% vs TC avg

Strong +16% interview lift

Without

With

+16.1%

Interview Lift

resolved cases with interview

Typical timeline

3y 1m

Avg Prosecution

53 currently pending

Career history

894

Total Applications

across all art units

Statute-Specific Performance

§101

0.4%

-39.6% vs TC avg

§103

76.1%

+36.1% vs TC avg

§102

2.4%

-37.6% vs TC avg

§112

3.3%

-36.7% vs TC avg

Black line = Tech Center average estimate • Based on career data from 853 resolved cases

Prosecution Timeline

Mar 18, 2024

Application Filed

May 28, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/763,800

Patent 12673368

ADAPTIVE PATH FOR ADDITIVE MANUFACTURING USING A LASER SOURCE

4y 3m to grant Granted Jul 07, 2026

17/906,999

Patent 12676253

ANISOTROPIC RARE EARTH SINTERED MAGNET AND METHOD FOR PRODUCING SAME

3y 9m to grant Granted Jul 07, 2026

17/909,706

Patent 12674226

STEEL SHEET AND ENAMELED PRODUCT

3y 10m to grant Granted Jul 07, 2026

17/790,610

Patent 12668855

METAL REMOVAL METHOD AND METAL RECOVERY METHOD

4y 0m to grant Granted Jun 30, 2026

17/799,339

Patent 12662725

STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR GOODS AND METHOD FOR MANUFACTURING THE SAME

3y 10m to grant Granted Jun 23, 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

63%

Grant Probability

79%

With Interview (+16.1%)

3y 1m (~9m remaining)

Median Time to Grant

Low

PTA Risk

Based on 853 resolved cases by this examiner. Grant probability derived from career allowance rate.