Last updated: April 24, 2026

Application No. 18/897,069

Untitled Application

Unknown

Filed

3700

Examiner

MCCAFFREY, KAYLA M

Art Unit

3745

Tech Center

Pratt & Whitney Canada Corp.

Assignee

Pratt & Whitney Canada Corp.

OA Round

2 (Non-Final)

Interview Optional

— +16.4% interview lift. This examiner has a relatively high allow rate; a written response may suffice.

Based on 425 resolved cases, 2023–2026

Examiner Intelligence

MCCAFFREY, KAYLA M View full profile →

Grants 76% — above average

Career Allow Rate

325 granted / 425 resolved

+16.5% vs TC avg

Strong +16% interview lift

Without

With

+16.4%

Interview Lift

resolved cases with interview

Typical timeline

3y 4m

Avg Prosecution

19 currently pending

Career history

444

Total Applications

across all art units

Statute-Specific Performance

§101

0.4%

-39.6% vs TC avg

§103

44.8%

+4.8% vs TC avg

§102

25.4%

-14.6% vs TC avg

§112

27.0%

-13.0% vs TC avg

Black line = Tech Center average estimate • Based on career data from 425 resolved cases

Prosecution Timeline

3700

Application Filed

May 27, 2025

Non-Final Rejection

Aug 26, 2025

Response Filed

Nov 03, 2025

Final Rejection (current)

Precedent Cases

Applications granted by this same examiner with similar technology

19/063,215

Patent 12546331

FAN ROTOR AND MANUFACTURING METHOD THEREOF

2y 5m to grant Granted Feb 10, 2026

18/254,972

Patent 12540553

METHOD FOR MANUFACTURING A VANE MADE OF A COMPOSITE MATERIAL WITH INTEGRATED ATTACHMENT LUGS AND PLATFORMS

2y 5m to grant Granted Feb 03, 2026

18/094,640

Patent 12529485

FAN ASSEMBLY FOR HVAC SYSTEM

2y 5m to grant Granted Jan 20, 2026

19/102,058

Patent 12509994

PROTECTION ELEMENT FOR A COMPRESSOR DRUM AND METHOD FOR REPAIRING A COMPRESSOR DRUM

2y 5m to grant Granted Dec 30, 2025

18/288,432

Patent 12503948

FIRST-STAGE STATIONARY BLADE SEGMENT, STATIONARY UNIT, FIRST-STAGE STATIONARY BLADE SEGMENT UNIT, AND STEAM TURBINE

2y 5m to grant Granted Dec 23, 2025

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

2-3

Expected OA Rounds

76%

Grant Probability

93%

With Interview (+16.4%)

3y 4m

Median Time to Grant

Moderate

PTA Risk

Based on 425 resolved cases by this examiner. Grant probability derived from career allow rate.