Prosecution Insights
Last updated: July 15, 2026
Application No. 18/551,866

RUBBER COMPOSITION, RUBBER-METAL COMPOSITE, TIRE, HOSE, AND CRAWLER

Non-Final OA
Filed
Sep 22, 2023
Priority
Apr 05, 2021 — JP 2021-064152 +2 more
Examiner
KOLB, KATARZYNA I
Art Unit
1767
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Bridgestone Corporation
OA Round
1 (Non-Final)
44%
Grant Probability
Moderate
1-2
OA Rounds
11m
Est. Remaining
60%
With Interview

Examiner Intelligence

Grants 44% of resolved cases
44%
Career Allowance Rate
92 granted / 208 resolved
-20.8% vs TC avg
Strong +15% interview lift
Without
With
+15.4%
Interview Lift
resolved cases with interview
Typical timeline
3y 9m
Avg Prosecution
51 currently pending
Career history
266
Total Applications
across all art units

Statute-Specific Performance

§101
2.0%
-38.0% vs TC avg
§103
71.4%
+31.4% vs TC avg
§102
6.5%
-33.5% vs TC avg
§112
2.0%
-38.0% vs TC avg
Black line = Tech Center average estimate • Based on career data from 208 resolved cases

Prosecution Timeline

Sep 22, 2023
Application Filed
May 22, 2026
Non-Final Rejection mailed
Jul 07, 2026
Response Filed

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12679955
STARCH COMPOSITIONS
3y 9m to grant Granted Jul 14, 2026
Patent 12679956
SULFUR-CROSSLINKABLE RUBBER-COATING MIXTURE
3y 9m to grant Granted Jul 14, 2026
Patent 12662578
NON-LINEAR STIMULI-RESPONSIVE BLOCK COPOLYMERS FOR ARCHITECTURAL COATING APPLICATIONS
1y 9m to grant Granted Jun 23, 2026
Patent 12649807
COMPOSITION AND CURED PRODUCT
3y 4m to grant Granted Jun 09, 2026
Patent 12643961
MANUFACTURING METHOD FOR INVERSE EMULSION POLYMER
4y 10m to grant Granted Jun 02, 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
44%
Grant Probability
60%
With Interview (+15.4%)
3y 9m (~11m remaining)
Median Time to Grant
Low
PTA Risk
Based on 208 resolved cases by this examiner. Grant probability derived from career allowance rate.

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