Last updated: July 07, 2026

Application No. 18/946,975

Untitled Application

Unknown

Filed

Examiner

KAO, CHIH CHENG G

Art Unit

Tech Center

VARIAN MEDICAL SYSTEMS, INC.

Assignee

Varian 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 1192 resolved cases, 2023–2026

Examiner Intelligence

KAO, CHIH CHENG G View full profile →

Grants 82% — above average

Career Allowance Rate

983 granted / 1192 resolved

+22.5% vs TC avg

Moderate +10% lift

Without

With

+9.6%

Interview Lift

resolved cases with interview

Typical timeline

2y 6m

Avg Prosecution

38 currently pending

Career history

1217

Total Applications

across all art units

Statute-Specific Performance

§101

2.0%

-38.0% vs TC avg

§103

68.6%

+28.6% 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 1192 resolved cases

Prosecution Timeline

Apr 03, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

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

17/804,596

Patent 12658398

CATHODE EMISSION DEVICE AND X-RAY TUBE USING SAME

4y 0m to grant Granted Jun 16, 2026

18/226,510

Patent 12646676

MULTI-METAL PATTERNED ANODE FOR COMPUTED TOMOGRAPHY X-RAY SYSTEMS

2y 10m to grant Granted Jun 02, 2026

18/752,791

Patent 12642500

NON-DESTRUCTIVE X-RAY IMAGING DETECTOR UTILIZING ARTIFICIAL INTELLIGENCE TO OPTIMIZE SYSTEM EFFICIENCY

1y 11m to grant Granted Jun 02, 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

82%

Grant Probability

92%

With Interview (+9.6%)

2y 6m

Median Time to Grant

Low

PTA Risk

Based on 1192 resolved cases by this examiner. Grant probability derived from career allowance rate.