Prosecution Insights
Last updated: July 17, 2026
Application No. 19/103,334

METHODS AND APPARATUS FOR MANUFACTURING A GLASS RIBBON

Non-Final OA
Filed
Feb 12, 2025
Priority
Aug 31, 2022 — provisional 63/374,111 +1 more
Examiner
HERRING, LISA L
Art Unit
Tech Center
Assignee
Corning Incorporated
OA Round
1 (Non-Final)
73%
Grant Probability
Favorable
1-2
OA Rounds
1y 4m
Est. Remaining
90%
With Interview

Examiner Intelligence

Grants 73% — above average
73%
Career Allowance Rate
597 granted / 822 resolved
+12.6% vs TC avg
Strong +17% interview lift
Without
With
+17.2%
Interview Lift
resolved cases with interview
Typical timeline
2y 9m
Avg Prosecution
23 currently pending
Career history
846
Total Applications
across all art units

Statute-Specific Performance

§101
0.5%
-39.5% vs TC avg
§103
79.5%
+39.5% vs TC avg
§102
1.2%
-38.8% vs TC avg
§112
10.5%
-29.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 822 resolved cases

Prosecution Timeline

Feb 12, 2025
Application Filed
May 12, 2026
Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12679756
MOLDED BODY MADE OF OPAQUE QUARTZ GLASS AND METHOD FOR PRODUCING SAME
4y 0m to grant Granted Jul 14, 2026
Patent 12649681
HIGH CAPACITY BUSHING PLATE FOR PRODUCING IGNEOUS ROCK FIBERS
2y 4m to grant Granted Jun 09, 2026
Patent 12643811
METHOD FOR SHAPING COATED GLASS SHEETS
4y 3m to grant Granted Jun 02, 2026
Patent 12643812
METHOD FOR PRODUCING FLUORINE-CONTAINING SILICA GLASS
3y 5m to grant Granted Jun 02, 2026
Patent 12645032
FUSION SPLICE MACHINE
2y 7m to grant Granted Jun 02, 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
73%
Grant Probability
90%
With Interview (+17.2%)
2y 9m (~1y 4m remaining)
Median Time to Grant
Low
PTA Risk
Based on 822 resolved cases by this examiner. Grant probability derived from career allowance rate.

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