Last updated: July 17, 2026

Application No. 18/411,226

STRUCTURE AND FORMATION METHOD OF SEMICONDUCTOR DEVICE WITH GATE STACK

Non-Final OA

Filed

Jan 12, 2024

Examiner

TRAN, TIEN

Art Unit

2812

Tech Center

2800 — Semiconductors & Electrical Systems

Assignee

Taiwan Semiconductor Manufacturing Company, Ltd.

OA Round

1 (Non-Final)

Interview Optional

— +13.3% interview lift. Interview lift (+13.3%) is below the 15.0% threshold. A written response is recommended.

Based on 21 resolved cases, 2023–2026

Examiner Intelligence

TRAN, TIEN View full profile →

Grants 90% — above average

Career Allowance Rate

19 granted / 21 resolved

+22.5% vs TC avg

Moderate +13% lift

Without

With

+13.3%

Interview Lift

resolved cases with interview

Typical timeline

3y 2m

Avg Prosecution

19 currently pending

Career history

Total Applications

across all art units

Statute-Specific Performance

§103

95.1%

+55.1% vs TC avg

§102

2.9%

-37.1% vs TC avg

§112

1.0%

-39.0% vs TC avg

Black line = Tech Center average estimate • Based on career data from 21 resolved cases

Prosecution Timeline

Jan 12, 2024

Application Filed

May 05, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/183,897

Patent 12684757

Multi-Layer Random Access Memory and Methods of Manufacture

3y 4m to grant Granted Jul 14, 2026

18/368,412

Patent 12684790

BIPOLAR TRANSISTORS

2y 10m to grant Granted Jul 14, 2026

18/510,508

Patent 12684975

LIGHT EMITTING DISPLAY DEVICE

2y 8m to grant Granted Jul 14, 2026

17/924,845

Patent 12677545

ARRAY SUBSTRATE AND METHOD FOR MANUFACTURING SAME, DISPLAY PANEL AND DISPLAY DEVICE

3y 7m to grant Granted Jul 07, 2026

18/113,742

Patent 12672414

DISPLAY DEVICE AND MANUFACTURING METHOD FOR THE SAME

3y 4m to grant Granted Jun 30, 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

90%

Grant Probability

99%

With Interview (+13.3%)

3y 2m (~8m remaining)

Median Time to Grant

Low

PTA Risk

Based on 21 resolved cases by this examiner. Grant probability derived from career allowance rate.