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Office Actions › Pratt & Whitney Canada Corp. › 18891893
Last updated: April 24, 2026
Application No. 18/891,893

Untitled Application

Unknown
Filed
3600
Examiner
FLUHART, STACEY A
Art Unit
3655
Tech Center
Pratt & Whitney Canada Corp.
Assignee
Pratt & Whitney Canada Corp.
OA Round
2 (Non-Final)
83%
Grant Probability
Favorable
2-3
OA Rounds
2y 3m
To Grant
97%
With Interview

Interview Optional

— +14.0% interview lift. This examiner has a relatively high allow rate; a written response may suffice.
Based on 825 resolved cases, 2023–2026

Examiner Intelligence

FLUHART, STACEY A View full profile →
Grants 83% — above average
83%
Career Allow Rate
682 granted / 825 resolved
+22.7% vs TC avg
Moderate +14% lift
Without
With
+14.0%
Interview Lift
resolved cases with interview
Typical timeline
2y 3m
Avg Prosecution
25 currently pending
Career history
850
Total Applications
across all art units

Statute-Specific Performance

§101
0.2%
-39.8% vs TC avg
§103
40.3%
+0.3% vs TC avg
§102
24.6%
-15.4% vs TC avg
§112
33.3%
-6.7% vs TC avg
Black line = Tech Center average estimate • Based on career data from 825 resolved cases

Prosecution Timeline

3600
Application Filed
Oct 29, 2025
Non-Final Rejection
Feb 02, 2026
Response Filed
Feb 26, 2026
Final Rejection (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/838,252
Patent 12590612
MULTI-PISTON DISENGAGEMENT SYSTEM FOR A BRAKE DEVICE OF A VEHICLE, BRAKE DEVICE FOR A VEHICLE HAVING A MULTI-PISTON DISENGAGEMENT SYSTEM, AND TRANSMISSION ARRANGEMENT FOR A VEHICLE HAVING THE BRAKE DEVICE
2y 5m to grant Granted Mar 31, 2026
18/280,958
Patent 12577989
CLUTCH CONTROL APPARATUS
2y 5m to grant Granted Mar 17, 2026
19/196,024
Patent 12577990
ELECTROMAGNETICALLY SHIFTABLE POSITIVE ENGAGEMENT CLUTCH
2y 5m to grant Granted Mar 17, 2026
19/070,081
Patent 12558956
VEHICLE DIFFERENTIAL DISCONNECT ASSEMBLY
2y 5m to grant Granted Feb 24, 2026
19/094,832
Patent 12560219
DRIVE UNIT AND TRANSMISSION DEVICE
2y 5m to grant Granted Feb 24, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

2-3
Expected OA Rounds
83%
Grant Probability
97%
With Interview (+14.0%)
2y 3m
Median Time to Grant
Moderate
PTA Risk
Based on 825 resolved cases by this examiner. Grant probability derived from career allow rate.

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