Last updated: July 17, 2026

Application No. 18/750,176

ETCHING COMPOSITION, METAL-CONTAINING FILM ETCHING METHOD USING THE SAME, AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD USING THE SAME

Non-Final OA

Filed

Jun 21, 2024

Priority

Jun 22, 2023 — RE 10-2023-0080674

Examiner

LU, JIONG-PING

Art Unit

1713

Tech Center

1700 — Chemical & Materials Engineering

Assignee

Samsung Electronics Co., Ltd.

OA Round

1 (Non-Final)

Interview Optional

— +7.8% interview lift. Interview lift (+7.8%) is below the 15.0% threshold. A written response is recommended.

Based on 961 resolved cases, 2023–2026

Examiner Intelligence

LU, JIONG-PING View full profile →

Grants 84% — above average

Career Allowance Rate

803 granted / 961 resolved

+18.6% vs TC avg

Moderate +8% lift

Without

With

+7.8%

Interview Lift

resolved cases with interview

Fast prosecutor

2y 1m

Avg Prosecution

38 currently pending

Career history

1000

Total Applications

across all art units

Statute-Specific Performance

§101

0.2%

-39.8% vs TC avg

§103

75.0%

+35.0% vs TC avg

§102

9.3%

-30.7% vs TC avg

§112

7.4%

-32.6% vs TC avg

Black line = Tech Center average estimate • Based on career data from 961 resolved cases

Prosecution Timeline

Jun 21, 2024

Application Filed

May 20, 2026

Non-Final Rejection mailed

Jul 13, 2026

Interview Requested

Precedent Cases

Applications granted by this same examiner with similar technology

18/074,071

Patent 12685054

Plasma Processing Method and Plasma Processing System

3y 7m to grant Granted Jul 14, 2026

18/544,237

Patent 12683122

ETCHING METHOD AND PLASMA PROCESSING APPARATUS

2y 6m to grant Granted Jul 14, 2026

17/970,668

Patent 12674075

POLISHING COMPOSITIONS AND METHODS OF USE THEREOF

3y 8m to grant Granted Jul 07, 2026

18/211,220

Patent 12674097

METHOD FOR ETCHING POLYSILICON

3y 0m to grant Granted Jul 07, 2026

18/403,539

Patent 12674077

POLISHING COMPOSITION FOR SEMICONDUCTOR PROCESSING AND METHOD OF POLISHING A SUBSTRATE

2y 6m to grant Granted Jul 07, 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

84%

Grant Probability

91%

With Interview (+7.8%)

2y 1m (~0m remaining)

Median Time to Grant

Low

PTA Risk

Based on 961 resolved cases by this examiner. Grant probability derived from career allowance rate.