Prosecution Insights
Last updated: July 17, 2026
Application No. 18/546,555

PTC Heating Element, Electric Heating Device and Use of a PTC Heating Element

Non-Final OA
Filed
Aug 15, 2023
Priority
Feb 15, 2021 — DE 10 2021 103 480.9 +1 more
Examiner
MACEDA, KRYSTENE NHE BANDONG
Art Unit
3761
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
TDK Corporation
OA Round
1 (Non-Final)
50%
Grant Probability
Moderate
1-2
OA Rounds
4m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 50% of resolved cases
50%
Career Allowance Rate
1 granted / 2 resolved
-20.0% vs TC avg
Strong +100% interview lift
Without
With
+100.0%
Interview Lift
resolved cases with interview
Typical timeline
3y 3m
Avg Prosecution
17 currently pending
Career history
16
Total Applications
across all art units

Statute-Specific Performance

§103
62.5%
+22.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 2 resolved cases

Prosecution Timeline

Aug 15, 2023
Application Filed
Apr 23, 2026
Non-Final Rejection mailed (current)

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Prosecution Projections

1-2
Expected OA Rounds
50%
Grant Probability
99%
With Interview (+100.0%)
3y 3m (~4m remaining)
Median Time to Grant
Low
PTA Risk
Based on 2 resolved cases by this examiner. Grant probability derived from career allowance rate.

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