Prosecution Insights
Last updated: July 17, 2026
Application No. 18/743,574

Air-Replaced Spacer for Self-Aligned Contact Scheme

Non-Final OA
Filed
Jun 14, 2024
Priority
Oct 29, 2019 — provisional 62/927,390 +2 more
Examiner
STEVENSON, ANDRE C
Art Unit
2899
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
Taiwan Semiconductor Manufacturing Company, Ltd.
OA Round
1 (Non-Final)
90%
Grant Probability
Favorable
1-2
OA Rounds
2m
Est. Remaining
97%
With Interview

Examiner Intelligence

Grants 90% — above average
90%
Career Allowance Rate
778 granted / 868 resolved
+21.6% vs TC avg
Moderate +7% lift
Without
With
+7.0%
Interview Lift
resolved cases with interview
Typical timeline
2y 3m
Avg Prosecution
35 currently pending
Career history
898
Total Applications
across all art units

Statute-Specific Performance

§101
0.4%
-39.6% vs TC avg
§103
82.2%
+42.2% vs TC avg
§102
9.6%
-30.4% vs TC avg
§112
1.2%
-38.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 868 resolved cases

Prosecution Timeline

Jun 14, 2024
Application Filed
May 29, 2026
Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12685047
Atmospheric Pressure Plasma for Substrate Annealing
3y 3m to grant Granted Jul 14, 2026
Patent 12677610
METHOD FOR PROCESSING A SUBSTRATE
3y 10m to grant Granted Jul 07, 2026
Patent 12666689
LARGE DIMENSION METAL GATE FIELD-EFFECT TRANSISTOR (FET) WITH METAL GATE DUMMY STRUCTURES
3y 4m to grant Granted Jun 23, 2026
Patent 12666731
SIMULTANEOUS DUAL-BAND SYSTEMS AND METHODS
2y 9m to grant Granted Jun 23, 2026
Patent 12660524
METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, METHOD OF PROCESSING SUBSTRATE, RECORDING MEDIUM, AND SUBSTRATE PROCESSING APPARATUS
4y 4m to grant Granted Jun 16, 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
90%
Grant Probability
97%
With Interview (+7.0%)
2y 3m (~2m remaining)
Median Time to Grant
Low
PTA Risk
Based on 868 resolved cases by this examiner. Grant probability derived from career allowance rate.

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