Last updated: July 17, 2026

Application No. 18/671,518

OPTICAL ELEMENT DRIVING MECHANISM

Non-Final OA

Filed

May 22, 2024

Priority

May 26, 2023 — provisional 63/504,648

Examiner

EDENFIELD, KUEI-JEN L

Art Unit

2872

Tech Center

2800 — Semiconductors & Electrical Systems

Assignee

TDK Corporation

OA Round

1 (Non-Final)

Interview Optional

— +14.2% interview lift. Interview lift (+14.2%) is below the 15.0% threshold. A written response is recommended.

Based on 149 resolved cases, 2023–2026

Examiner Intelligence

EDENFIELD, KUEI-JEN L View full profile →

Grants 78% — above average

Career Allowance Rate

116 granted / 149 resolved

+9.9% vs TC avg

Moderate +14% lift

Without

With

+14.2%

Interview Lift

resolved cases with interview

Typical timeline

3y 2m

Avg Prosecution

46 currently pending

Career history

203

Total Applications

across all art units

Statute-Specific Performance

§101

0.2%

-39.8% vs TC avg

§103

88.8%

+48.8% vs TC avg

§102

7.3%

-32.7% vs TC avg

§112

3.5%

-36.5% vs TC avg

Black line = Tech Center average estimate • Based on career data from 149 resolved cases

Prosecution Timeline

May 22, 2024

Application Filed

Apr 10, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/379,345

Patent 12667257

SYSTEM AND METHOD FOR RETINAL IMAGING

2y 8m to grant Granted Jun 30, 2026

18/105,907

Patent 12648691

DISTANCE CALCULATION DEVICE, DISTANCE CALCULATION METHOD, AND DISTANCE CALCULATION PROGRAM

3y 4m to grant Granted Jun 09, 2026

18/415,141

Patent 12650610

DIRECTIONAL VISUAL AND AUDIO COMMUNICATION

2y 4m to grant Granted Jun 09, 2026

18/332,791

Patent 12619056

ZOOM LENS, AND IMAGE PICKUP APPARATUS HAVING THE SAME

2y 10m to grant Granted May 05, 2026

18/556,579

Patent 12619071

COMPOSITE PANE FOR A HEAD-UP DISPLAY COMPRISING A HEATABLE SENSOR REGION

2y 6m to grant Granted May 05, 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

78%

Grant Probability

92%

With Interview (+14.2%)

3y 2m (~1y 1m remaining)

Median Time to Grant

Low

PTA Risk

Based on 149 resolved cases by this examiner. Grant probability derived from career allowance rate.