Last updated: July 05, 2026

Application No. 18/542,955

SEMICONDUCTOR PATTERN STRUCTURE PRESERVATION

Non-Final OA

Filed

Dec 18, 2023

Examiner

CHACKO DAVIS, DABORAH

Art Unit

1737

Tech Center

1700 — Chemical & Materials Engineering

Assignee

International Business Machines Corporation

OA Round

1 (Non-Final)

Interview Optional

— +20.5% interview lift. Examiner has a relatively high allowance rate (72%); +20.5% interview lift. A written response may suffice.

Based on 981 resolved cases, 2023–2026

Examiner Intelligence

CHACKO DAVIS, DABORAH View full profile →

Grants 72% — above average

Career Allowance Rate

705 granted / 981 resolved

+6.9% vs TC avg

Strong +20% interview lift

Without

With

+20.5%

Interview Lift

resolved cases with interview

Typical timeline

3y 4m

Avg Prosecution

43 currently pending

Career history

1019

Total Applications

across all art units

Statute-Specific Performance

§101

0.4%

-39.6% vs TC avg

§103

47.9%

+7.9% vs TC avg

§102

22.7%

-17.3% vs TC avg

§112

17.2%

-22.8% vs TC avg

Black line = Tech Center average estimate • Based on career data from 981 resolved cases

Prosecution Timeline

Dec 18, 2023

Application Filed

Apr 15, 2026

Non-Final Rejection mailed

Jul 01, 2026

Interview Requested

Precedent Cases

Applications granted by this same examiner with similar technology

17/638,730

Patent 12666784

QUANTUM DOT LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD THEREOF

4y 3m to grant Granted Jun 23, 2026

18/744,028

Patent 12663710

PELLICLE HAVING VENT HOLE

2y 0m to grant Granted Jun 23, 2026

17/679,515

Patent 12656673

METHOD OF MANUFACTURING SEMICONDUCTOR STRUCTURE

4y 3m to grant Granted Jun 16, 2026

17/950,251

Patent 12656686

RESIST UNDERLAYER FILM-FORMING COMPOSITION, RESIST UNDERLAYER FILM, AND METHOD OF PRODUCING SEMICONDUCTOR SUBSTRATE

3y 8m to grant Granted Jun 16, 2026

17/584,173

Patent 12650649

PHOTORESIST DEVELOPER AND METHODS OF USE

4y 4m to grant Granted Jun 09, 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

72%

Grant Probability

92%

With Interview (+20.5%)

3y 4m (~9m remaining)

Median Time to Grant

Low

PTA Risk

Based on 981 resolved cases by this examiner. Grant probability derived from career allowance rate.