Prosecution Insights
Last updated: July 09, 2026
Application No. 19/452,661

Untitled Application

Unknown
Filed
Priority
Aug 14, 2021 — provisional 63/233,241 +10 more
Examiner
BRANDT, DAVID NELSON
Art Unit
Tech Center
Kerr Machine Co.
Assignee
Kerr Machine Co.
OA Round
1 (Non-Final)
69%
Grant Probability
Favorable
1-2
OA Rounds
2y 7m
Filing → Grant
99%
With Interview

Examiner Intelligence

Grants 69% — above average
69%
Career Allowance Rate
254 granted / 366 resolved
+9.4% vs TC avg
Strong +50% interview lift
Without
With
+50.2%
Interview Lift
resolved cases with interview
Typical timeline
2y 7m
Avg Prosecution
54 currently pending
Career history
412
Total Applications
across all art units

Statute-Specific Performance

§101
0.6%
-39.4% vs TC avg
§103
69.2%
+29.2% vs TC avg
§102
7.6%
-32.4% vs TC avg
§112
22.5%
-17.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 366 resolved cases

Prosecution Timeline

May 28, 2026
Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12674452
MODULAR PLUNGER PACKING GLAND ASSEMBLY
3y 9m to grant Granted Jul 07, 2026
Patent 12669128
PUMP UNIT, PUMP SYSTEM, AND PUMP SYSTEM OPERATION METHOD
1y 3m to grant Granted Jun 30, 2026
Patent 12656030
LINEAR COMPRESSOR WITH A SELF-ALIGNED COUPLING
2y 4m to grant Granted Jun 16, 2026
Patent 12650134
JET PUMP SYSTEM
2y 3m to grant Granted Jun 09, 2026
Patent 12595786
AIR COMPRESSOR STRUCTURE
1y 10m to grant Granted Apr 07, 2026
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
69%
Grant Probability
99%
With Interview (+50.2%)
2y 7m
Median Time to Grant
Low
PTA Risk
Based on 366 resolved cases by this examiner. Grant probability derived from career allowance rate.

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