Last updated: July 10, 2026

Application No. 18/947,184

Untitled Application

Unknown

Filed

Examiner

KANG, EDWIN G

Art Unit

Tech Center

PRATT & WHITNEY CANADA CORP.

Assignee

Pratt & Whitney Canada Corp.

OA Round

2 (Non-Final)

This examiner grants 64% of cases after interview

— +68.4% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 333 resolved cases, 2023–2026

Examiner Intelligence

KANG, EDWIN G View full profile →

Grants 64% of resolved cases

Career Allowance Rate

214 granted / 333 resolved

+4.3% vs TC avg

Strong +68% interview lift

Without

With

+68.4%

Interview Lift

resolved cases with interview

Typical timeline

3y 1m

Avg Prosecution

44 currently pending

Career history

381

Total Applications

across all art units

Statute-Specific Performance

§103

89.7%

+49.7% vs TC avg

§102

3.8%

-36.2% vs TC avg

§112

4.5%

-35.5% vs TC avg

Black line = Tech Center average estimate • Based on career data from 333 resolved cases

Prosecution Timeline

Dec 19, 2025

Non-Final Rejection mailed

Mar 17, 2026

Response Filed

May 07, 2026

Final Rejection mailed

Jul 06, 2026

Response after Non-Final Action

Precedent Cases

Applications granted by this same examiner with similar technology

18/401,584

Patent 12674581

COMBUSTOR HEAD END SECTION WITH INTEGRATED COOLING SYSTEM

2y 6m to grant Granted Jul 07, 2026

18/990,975

Patent 12674580

COMBUSTION LINER

1y 6m to grant Granted Jul 07, 2026

18/650,224

Patent 12655975

COMBUSTION LINER FOR GAS TURBINE ENGINE

2y 1m to grant Granted Jun 16, 2026

17/327,177

Patent 12644604

PILOT FUEL NOZZLE ASSEMBLY WITH VENTED VENTURI

5y 0m to grant Granted Jun 02, 2026

18/917,649

Patent 12644603

COMBUSTOR NOZZLE, COMBUSTOR, AND GAS TURBINE INCLUDING SAME

1y 7m 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

2-3

Expected OA Rounds

64%

Grant Probability

99%

With Interview (+68.4%)

3y 1m

Median Time to Grant

Moderate

PTA Risk

Based on 333 resolved cases by this examiner. Grant probability derived from career allowance rate.