Last updated: May 29, 2026

Application No. 18/442,416

CRYSTAL CUTTING METHOD, METHOD OF MANUFACTURING SiC SEMICONDUCTOR DEVICE, AND SiC SEMICONDUCTOR DEVICE

Non-Final OA

Filed

Feb 15, 2024

Priority

Apr 27, 2018 — JP 2018-086472 +2 more

Examiner

CHEN, JACK S J

Art Unit

2893

Tech Center

2800 — Semiconductors & Electrical Systems

Assignee

Rohm Co. Ltd.

OA Round

1 (Non-Final)

Interview Optional

— +5.7% interview lift. Interview lift (+5.7%) is below the 15.0% threshold. A written response is recommended.

Based on 568 resolved cases, 2023–2026

Examiner Intelligence

CHEN, JACK S J View full profile →

Grants 77% — above average

Career Allowance Rate

435 granted / 568 resolved

+8.6% vs TC avg

Moderate +6% lift

Without

With

+5.7%

Interview Lift

resolved cases with interview

Typical timeline

2y 11m

Avg Prosecution

26 currently pending

Career history

605

Total Applications

across all art units

Statute-Specific Performance

§101

0.3%

-39.7% vs TC avg

§103

54.0%

+14.0% vs TC avg

§102

23.1%

-16.9% vs TC avg

§112

9.6%

-30.4% vs TC avg

Black line = Tech Center average estimate • Based on career data from 568 resolved cases

Prosecution Timeline

Feb 15, 2024

Application Filed

Sep 04, 2025

Non-Final Rejection mailed

Dec 01, 2025

Response after Non-Final Action

Dec 01, 2025

Response Filed

Precedent Cases

Applications granted by this same examiner with similar technology

17/645,280

Patent 12641851

TRANSISTORS WITH SOURCE-CONNECTED FIELD PLATES

4y 5m to grant Granted May 26, 2026

17/883,475

Patent 12642055

FEED-FORWARD DEVICE FABRICATION

3y 9m to grant Granted May 26, 2026

17/939,781

Patent 12635166

GaN POWER DEVICE

3y 8m to grant Granted May 19, 2026

18/337,115

Patent 12633346

SEMICONDUCTOR MEMORY DEVICE

2y 11m to grant Granted May 19, 2026

18/514,106

Patent 12615840

SEMICONDUCTOR DEVICE WITH ANNULAR SEMICONDUCTOR FIN AND METHOD FOR PREPARING THE SAME

2y 5m to grant Granted Apr 28, 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

77%

Grant Probability

82%

With Interview (+5.7%)

2y 11m (~7m remaining)

Median Time to Grant

Low

PTA Risk

Based on 568 resolved cases by this examiner. Grant probability derived from career allowance rate.