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Office Actions › Pratt & Whitney Canada Corp. › 18890284
Last updated: April 24, 2026
Application No. 18/890,284

Untitled Application

Unknown
Filed
3600
Examiner
MCDUFFIE, MICHAEL D
Art Unit
3632
Tech Center
Pratt & Whitney Canada Corp.
Assignee
Pratt & Whitney Canada Corp.
OA Round
1 (Non-Final)
68%
Grant Probability
Favorable
1-2
OA Rounds
2y 8m
To Grant
57%
With Interview

Interview Optional

— -10.7% interview lift. This examiner has a relatively high allow rate; a written response may suffice.
Based on 845 resolved cases, 2023–2026

Examiner Intelligence

MCDUFFIE, MICHAEL D View full profile →
Grants 68% — above average
68%
Career Allow Rate
570 granted / 845 resolved
+7.5% vs TC avg
Minimal -11% lift
Without
With
+-10.7%
Interview Lift
resolved cases with interview
Typical timeline
2y 8m
Avg Prosecution
17 currently pending
Career history
862
Total Applications
across all art units

Statute-Specific Performance

§101
0.1%
-39.9% vs TC avg
§103
52.2%
+12.2% vs TC avg
§102
28.7%
-11.3% vs TC avg
§112
13.9%
-26.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 845 resolved cases

Prosecution Timeline

3600
Application Filed
Jan 26, 2026
Non-Final Rejection (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/930,080
Patent 12594892
TWEETER FLUSH, SURFACE, AND STARFISH MOUNT INSTALLATION
2y 5m to grant Granted Apr 07, 2026
17/576,959
Patent 12440073
Tube Holder With Retractable Barrier(s)
2y 5m to grant Granted Oct 14, 2025
17/396,547
Patent 12318022
FLAT-PACK LIQUID DISPENSING STATION
2y 5m to grant Granted Jun 03, 2025
18/221,971
Patent 12323088
SOLAR PANEL SUPPORT
2y 5m to grant Granted Jun 03, 2025
18/393,689
Patent 12320083
Cable Barrier With Dual-Column Posts
2y 5m to grant Granted Jun 03, 2025
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
68%
Grant Probability
57%
With Interview (-10.7%)
2y 8m
Median Time to Grant
Low
PTA Risk
Based on 845 resolved cases by this examiner. Grant probability derived from career allow rate.

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