Prosecution Insights
Last updated: October 04, 2026
Application No. 18/267,350

SONICATION OF CATALYST IN THE PRODUCTION OF AN ISOOLEFIN HOMOPOLYMER

Non-Final OA
Filed
Jun 14, 2023
Priority
Dec 18, 2020 — EU 20215406.8 +1 more
Examiner
HUHN, RICHARD A
Art Unit
1764
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Arlanxeo Singapore Pte. Ltd.
OA Round
1 (Non-Final)
67%
Grant Probability
Favorable
1-2
OA Rounds
0m
Est. Remaining
73%
With Interview

Examiner Intelligence

Grants 67% — above average
67%
Career Allowance Rate
607 granted / 906 resolved
+2.0% vs TC avg
Moderate +6% lift
Without
With
+5.6%
Interview Lift
resolved cases with interview
Typical timeline
2y 11m
Avg Prosecution
39 currently pending
Career history
930
Total Applications
across all art units

Statute-Specific Performance

§101
1.0%
-39.0% vs TC avg
§103
41.3%
+1.3% vs TC avg
§102
18.9%
-21.1% vs TC avg
§112
26.1%
-13.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 906 resolved cases

Prosecution Timeline

Jun 14, 2023
Application Filed
Feb 13, 2026
Examiner Interview (Telephonic)
Mar 20, 2026
Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12747309
METHOD FOR PREPARING VINYL CHLORIDE-BASED POLYMER AND VINYL CHLORIDE-BASED POLYMER PREPARED THEREBY
3y 5m to grant Granted Sep 29, 2026
Patent 12747517
METHOD FOR PREPARING ULTRA-FINE AND UNIFORM ACRYLAMIDE-BASED POLYMER HYDROGEL FILAMENT AND USE THEREOF
3y 3m to grant Granted Sep 29, 2026
Patent 12735562
COPOLYMER, INJECTION MOLDED BODY, MEMBER TO BE COMPRESSED, AND COVERED WIRE
3y 5m to grant Granted Sep 15, 2026
Patent 12723113
PROCESS FOR PREPARING HIGH-REACTIVITY ISOBUTENE HOMO- OR COPOLYMERS
3y 7m to grant Granted Sep 01, 2026
Patent 12723174
COLORED ANTI-FOULING ANTI-CORROSION SURFACE COATING, USES THEREOF, COLORED ANTI-FOULING ANTI-CORROSION SURFACE LAYER, AND COLORED ANTI-FOULING ANTI-CORROSION METAL
3y 3m to grant Granted Sep 01, 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
67%
Grant Probability
73%
With Interview (+5.6%)
2y 11m (~0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 906 resolved cases by this examiner. Grant probability derived from career allowance rate.

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