Last updated: July 17, 2026

Application No. 18/589,861

TAPERED CHANNEL FORKSHEET TRANSISTOR

Non-Final OA

Filed

Feb 28, 2024

Examiner

ANDERSON, WILLIAM H

Art Unit

2817

Tech Center

2800 — Semiconductors & Electrical Systems

Assignee

International Business Machines Corporation

OA Round

1 (Non-Final)

Interview Optional

— +16.2% interview lift. Examiner has a relatively high allowance rate (86%); +16.2% interview lift. A written response may suffice.

Based on 210 resolved cases, 2023–2026

Examiner Intelligence

ANDERSON, WILLIAM H View full profile →

Grants 86% — above average

Career Allowance Rate

180 granted / 210 resolved

+17.7% vs TC avg

Strong +16% interview lift

Without

With

+16.2%

Interview Lift

resolved cases with interview

Typical timeline

2y 6m

Avg Prosecution

48 currently pending

Career history

253

Total Applications

across all art units

Statute-Specific Performance

§101

0.3%

-39.7% vs TC avg

§103

76.9%

+36.9% vs TC avg

§102

10.7%

-29.3% vs TC avg

§112

11.4%

-28.6% vs TC avg

Black line = Tech Center average estimate • Based on career data from 210 resolved cases

Prosecution Timeline

Feb 28, 2024

Application Filed

May 15, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/468,686

Patent 12652804

FABRICATION METHOD FOR A THREE-DIMENSIONAL MEMORY ARRAY OF THIN-FILM FERROELECTRIC TRANSISTORS FORMED WITH AN OXIDE SEMICONDUCTOR CHANNEL

2y 8m to grant Granted Jun 09, 2026

18/190,747

Patent 12648457

FACE-TO-FACE DIES WITH A VOID FOR ENHANCED INDUCTOR PERFORMANCE

3y 2m to grant Granted Jun 02, 2026

18/135,350

Patent 12642063

SEMICONDUCTOR DEVICE INCLUDING ISOLATION STRUCTURE WITH IMPURITY AND METHOD FOR MANUFACTURING THE SAME

3y 1m to grant Granted May 26, 2026

18/031,592

Patent 12635575

SEMICONDUCTOR DEVICE COMPRISING A STACK OF CHIPS, AND CHIPS FOR SUCH A STACK

3y 1m to grant Granted May 19, 2026

18/163,072

Patent 12610516

Semiconductor Structure and Method Making the Same

3y 2m to grant Granted Apr 21, 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

86%

Grant Probability

99%

With Interview (+16.2%)

2y 6m (~2m remaining)

Median Time to Grant

Low

PTA Risk

Based on 210 resolved cases by this examiner. Grant probability derived from career allowance rate.