Prosecution Insights
Last updated: October 02, 2026

Sumitomo Electric Wintec Inc.

Technology area: Chemistry & Materials

2 pending office actions • 2 art units • 2 examiners • 0 of 2 (0%) have an AI response strategy ready • 2 patents granted in the last 365 days

Analysis

Sumitomo Electric Wintec Inc. has 1 pending office action within the Chemistry & Materials technology area. The portfolio's activity is restricted to 1 distinct examiner and 1 distinct art unit. This indicates a specific area of current patent prosecution. The concentration of the company's filings in this manner suggests a specialized technical focus for their current research and development outputs.

CHOI, PETER Y is listed as the busiest examiner, managing 1 busiest examiner pending office action. As there is 1 distinct examiner for the company, CHOI, PETER Y handles active matters. The 1 pending office action represents the set of outstanding responses required by the patent office. This streamlined interaction model means that the company's legal strategy is dependent on the dialogue with this specific examiner. There are no other pending office actions to provide a broader context for the firm's standing within the Chemistry & Materials area. Consequently, the resolution of this matter is the primary objective for the company's current patent prosecution efforts.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

2
Total Pending OAs
1
Non-Final OAs
1
Final Rejections
0
Advisory / Quayle

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

2
Hard (100%)
0
Medium (0%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
Multi-statute (no §101)2 (100%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

2
Life Sciences
100% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
0
Business / Other
0% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

20 h
Manual time on pending OAs
4 h
Time saved (low, 20%)
7 h
Time saved (mid, 35%)
0.2 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MAYY, MOHAMMAD 1 48.5% +23.2%
CHOI, PETER Y 1 20.6% +33.0%

Hard Cases (2)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18856647 METHOD OF MANUFACTURING PREPOLYMER SOLUTION AND METHOD OF MANUFACTURING INSULATED ELECTRIC WIRE MAYY, MOHAMMAD —
18270884 INSULATED ELECTRICAL WIRE AND PRODUCTION METHOD THEREFOR CHOI, PETER Y —

Interview Candidates (2)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18856647 METHOD OF MANUFACTURING PREPOLYMER SOLUTION AND METHOD OF MANUFACTURING INSULATED ELECTRIC WIRE MAYY, MOHAMMAD —
18270884 INSULATED ELECTRICAL WIRE AND PRODUCTION METHOD THEREFOR CHOI, PETER Y —

Top Art Units

Art UnitApps
1718 1
1786 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18856647 METHOD OF MANUFACTURING PREPOLYMER SOLUTION AND METHOD OF MANUFACTURING INSULATED ELECTRIC WIRE MAYY, MOHAMMAD 1718 §103§112 Non-Final OA — Pending Oct 14, 2024
18270884 INSULATED ELECTRICAL WIRE AND PRODUCTION METHOD THEREFOR CHOI, PETER Y 1786 §103§112 Final Rejection — Pending Jul 05, 2023

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