Last updated: April 24, 2026

Application No. 19/295,171

Untitled Application

Unknown

Filed

3600

Examiner

LEE, GILBERT Y

Art Unit

3675

Tech Center

A.W. CHESTERTON COMPANY

Assignee

A W Chesterton Company

OA Round

1 (Non-Final)

Interview Optional

— +10.6% interview lift. This examiner has a relatively high allow rate; a written response may suffice.

Based on 1379 resolved cases, 2023–2026

Examiner Intelligence

LEE, GILBERT Y View full profile →

Grants 79% — above average

Career Allow Rate

1084 granted / 1379 resolved

+18.6% vs TC avg

Moderate +11% lift

Without

With

+10.6%

Interview Lift

resolved cases with interview

Typical timeline

2y 6m

Avg Prosecution

45 currently pending

Career history

1424

Total Applications

across all art units

Statute-Specific Performance

§101

0.2%

-39.8% vs TC avg

§103

44.2%

+4.2% vs TC avg

§102

36.8%

-3.2% vs TC avg

§112

13.8%

-26.2% vs TC avg

Black line = Tech Center average estimate • Based on career data from 1379 resolved cases

Prosecution Timeline

3600

Application Filed

Jan 03, 2026

Non-Final Rejection (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/355,515

Patent 12595747

METHOD OF MITIGATING VIBRATIONS IN A SEAL COMPONENT

2y 5m to grant Granted Apr 07, 2026

18/269,833

Patent 12590545

METHOD FOR MANUFACTURING SEAL RING, METHOD FOR ASSEMBLING TURBINE, AND TURBINE

2y 5m to grant Granted Mar 31, 2026

18/662,229

Patent 12553520

METAL SEAL FOR DYNAMIC DOWNHOLE ENVIRONMENTS

2y 5m to grant Granted Feb 17, 2026

18/835,849

Patent 12546395

SLIDE RING

2y 5m to grant Granted Feb 10, 2026

17/994,182

Patent 12535013

GAS TURBINE ENGINE WITH CARBON/CARBON COMPOSITE PISTON SEAL

2y 5m to grant Granted Jan 27, 2026

Study what changed to get past this examiner. Based on 5 most recent grants.

AI Strategy Recommendation

Get an AI-powered prosecution strategy using examiner precedents, rejection analysis, and claim mapping.

Prosecution Projections

1-2

Expected OA Rounds

79%

Grant Probability

89%

With Interview (+10.6%)

2y 6m

Median Time to Grant

Low

PTA Risk

Based on 1379 resolved cases by this examiner. Grant probability derived from career allow rate.