Last updated: July 05, 2026

Application No. 18/581,921

Trench Gate Semiconductor Device, and Manufacturing Method Thereof

Non-Final OA

Filed

Feb 20, 2024

Priority

Oct 29, 2021 — CN 202111275645.2 +1 more

Examiner

DIALLO, MAMADOU L

Art Unit

2897

Tech Center

2800 — Semiconductors & Electrical Systems

Assignee

Huawei Digital Power Technologies Co., Ltd.

OA Round

1 (Non-Final)

Interview Optional

— +3.0% interview lift. Interview lift (+3.0%) is below the 15.0% threshold. A written response is recommended.

Based on 1336 resolved cases, 2023–2026

Examiner Intelligence

DIALLO, MAMADOU L View full profile →

Grants 92% — above average

Career Allowance Rate

1228 granted / 1336 resolved

+23.9% vs TC avg

Minimal +3% lift

Without

With

+3.0%

Interview Lift

resolved cases with interview

Fast prosecutor

2y 0m

Avg Prosecution

10 currently pending

Career history

1349

Total Applications

across all art units

Statute-Specific Performance

§101

3.5%

-36.5% vs TC avg

§103

54.9%

+14.9% vs TC avg

§102

21.0%

-19.0% vs TC avg

§112

5.6%

-34.4% vs TC avg

Black line = Tech Center average estimate • Based on career data from 1336 resolved cases

Prosecution Timeline

Feb 20, 2024

Application Filed

Apr 27, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/252,891

Patent 12672577

METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE, AND SEMICONDUCTOR DEVICE

3y 1m to grant Granted Jun 30, 2026

18/307,165

Patent 12672578

CAP LAYER FOR PAD OXIDATION PREVENTION

3y 2m to grant Granted Jun 30, 2026

18/662,749

Patent 12672591

Vertically Stacked Semiconductor Device Including a Hybrid Bond Contact Junction Circuit and Methods for Forming the Same

2y 1m to grant Granted Jun 30, 2026

17/948,664

Patent 12666958

FLEXIBLE WIRING ARCHITECTURE FOR MULTI-DIE INTEGRATION

3y 9m to grant Granted Jun 23, 2026

18/311,712

Patent 12664344

STRUCTURE INCLUDING PASSIVE COMPONENT TRAVERSING MULTIPLE SEMICONDUCTOR CHIPS, WITH RELATED METHODS AND SYSTEMS

3y 1m 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.

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Prosecution Projections

1-2

Expected OA Rounds

92%

Grant Probability

95%

With Interview (+3.0%)

2y 0m (~0m remaining)

Median Time to Grant

Low

PTA Risk

Based on 1336 resolved cases by this examiner. Grant probability derived from career allowance rate.