Prosecution Insights
Last updated: July 05, 2026
Application No. 18/920,398

ERROR RESISTANT PHOTOMASK MEASUREMENT TECHNIQUES FOR DIFFERENT SUPPORT POSITIONS

Non-Final OA
Filed
Oct 18, 2024
Priority
Nov 17, 2023 — provisional 63/600,084
Examiner
AKANBI, ISIAKA O
Art Unit
2877
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
Corning Incorporated
OA Round
1 (Non-Final)
76%
Grant Probability
Favorable
1-2
OA Rounds
9m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 76% — above average
76%
Career Allowance Rate
832 granted / 1089 resolved
+8.4% vs TC avg
Strong +23% interview lift
Without
With
+23.0%
Interview Lift
resolved cases with interview
Typical timeline
2y 6m
Avg Prosecution
29 currently pending
Career history
1115
Total Applications
across all art units

Statute-Specific Performance

§101
1.2%
-38.8% vs TC avg
§103
55.3%
+15.3% vs TC avg
§102
37.5%
-2.5% vs TC avg
§112
1.3%
-38.7% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1089 resolved cases

Prosecution Timeline

Oct 18, 2024
Application Filed
Apr 16, 2026
Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12669436
VERSATILE MULTIMODAL OPTICAL MODALITY BASED ON BRILLOUIN LIGHT SCATTERING AND PHOTOACOUSTIC EFFECT
2y 4m to grant Granted Jun 30, 2026
Patent 12663261
METHOD FOR CREATING A 3D SCAN AND CONTACT ELEMENT FOR SUCH A METHOD
4y 7m to grant Granted Jun 23, 2026
Patent 12663336
OPTICAL WAVEFRONT MEASURING DEVICE AND MEASURING METHOD THEREOF
2y 9m to grant Granted Jun 23, 2026
Patent 12663338
OPTICAL REFLECTOMETRY DEVICE AND METHOD
2y 3m to grant Granted Jun 23, 2026
Patent 12656218
DISPERSION MEASUREMENT DEVICE AND DISPERSION MEASUREMENT METHOD
2y 8m to grant Granted Jun 16, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

Strategy Recommendation AI-generated — please review before filing

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Prosecution Projections

1-2
Expected OA Rounds
76%
Grant Probability
99%
With Interview (+23.0%)
2y 6m (~9m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1089 resolved cases by this examiner. Grant probability derived from career allowance rate.

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