Prosecution Insights
Last updated: July 17, 2026
Application No. 19/021,429

OPTICAL ASSEMBLY WITH ENCAPSULATED MULTILAYER OPTICAL FILM AND METHODS OF MAKING SAME

Non-Final OA
Filed
Jan 15, 2025
Priority
Dec 06, 2019 — provisional 62/944,906 +3 more
Examiner
NGUON, VIRAK
Art Unit
1741
Tech Center
1700 — Chemical & Materials Engineering
Assignee
3M Innovative Properties Company
OA Round
1 (Non-Final)
83%
Grant Probability
Favorable
1-2
OA Rounds
11m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 83% — above average
83%
Career Allowance Rate
345 granted / 415 resolved
+18.1% vs TC avg
Strong +19% interview lift
Without
With
+19.2%
Interview Lift
resolved cases with interview
Typical timeline
2y 5m
Avg Prosecution
21 currently pending
Career history
436
Total Applications
across all art units

Statute-Specific Performance

§101
0.3%
-39.7% vs TC avg
§103
85.6%
+45.6% vs TC avg
§102
2.0%
-38.0% vs TC avg
§112
9.5%
-30.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 415 resolved cases

Prosecution Timeline

Jan 15, 2025
Application Filed
Apr 08, 2026
Non-Final Rejection mailed
Jul 08, 2026
Response Filed

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12678867
INJECTION MOLDING TOOL AND A METHOD OF FORMING AN INJECTION MOLDING TOOL
2y 3m to grant Granted Jul 14, 2026
Patent 12667997
MOULDING TRAY FOR MANUFACTURING SLABS MADE OF AGGLOMERATE MATERIAL, METHOD FOR REALIZING SUCH MOULDING TRAY AND METHOD FOR MANUFACTURING SLABS MADE OF AGGLOMERATE MATERIAL
2y 9m to grant Granted Jun 30, 2026
Patent 12668008
ADJUSTMENT METHOD FOR SHUT-OFF NOZZLE, SHUT-OFF NOZZLE, INJECTION DEVICE, AND INJECTION MOLDING MACHINE
2y 2m to grant Granted Jun 30, 2026
Patent 12661827
GAPLESS BUFFER FOR MASONRY BLOCK MANUFACTURE
5y 0m to grant Granted Jun 23, 2026
Patent 12661619
SOLVENT-FREE PRODUCTION OF POROUS POLYMER STRUCTURES
3y 11m to grant Granted Jun 23, 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
83%
Grant Probability
99%
With Interview (+19.2%)
2y 5m (~11m remaining)
Median Time to Grant
Low
PTA Risk
Based on 415 resolved cases by this examiner. Grant probability derived from career allowance rate.

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