Last updated: July 17, 2026

Application No. 18/903,896

RADIOGRAPHY DEVICE AND RADIOGRAPHY SYSTEM

Non-Final OA

Filed

Oct 01, 2024

Priority

Oct 06, 2023 — JP 2023-174657

Examiner

KAO, CHIH CHENG G

Art Unit

2884

Tech Center

2800 — Semiconductors & Electrical Systems

Assignee

Canon Inc.

OA Round

1 (Non-Final)

Interview Optional

— +9.6% interview lift. Interview lift (+9.6%) is below the 15.0% threshold. A written response is recommended.

Based on 1193 resolved cases, 2023–2026

Examiner Intelligence

KAO, CHIH CHENG G View full profile →

Grants 82% — above average

Career Allowance Rate

984 granted / 1193 resolved

+14.5% vs TC avg

Moderate +10% lift

Without

With

+9.6%

Interview Lift

resolved cases with interview

Typical timeline

2y 6m

Avg Prosecution

32 currently pending

Career history

1219

Total Applications

across all art units

Statute-Specific Performance

§101

2.0%

-38.0% vs TC avg

§103

68.5%

+28.5% vs TC avg

§102

6.6%

-33.4% vs TC avg

§112

11.3%

-28.7% vs TC avg

Black line = Tech Center average estimate • Based on career data from 1193 resolved cases

Prosecution Timeline

Oct 01, 2024

Application Filed

Apr 09, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/045,908

Patent 12680370

MOVEABLE INFRARED CURTAIN

3y 9m to grant Granted Jul 14, 2026

18/930,625

Patent 12684678

X-Ray Fluorescence Spectrometer and Power Supply Apparatus

1y 8m to grant Granted Jul 14, 2026

18/752,881

Patent 12676277

SLIDING BEARING UNIT AND ROTATING ANODE X-RAY TUBE

2y 0m to grant Granted Jul 07, 2026

18/764,212

Patent 12671067

Drift Tube with True Hermetic Seal

1y 12m to grant Granted Jun 30, 2026

19/244,080

Patent 12671051

PLANAR FILAMENT WITH FOCUSED, CENTRAL ELECTRON EMISSION

1y 0m 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

82%

Grant Probability

92%

With Interview (+9.6%)

2y 6m (~8m remaining)

Median Time to Grant

Low

PTA Risk

Based on 1193 resolved cases by this examiner. Grant probability derived from career allowance rate.