Prosecution Insights
Last updated: October 04, 2026

Toyo Seikan Co., Ltd.

Technology areas: Chemistry & Materials • Communications • Medical Devices & Mechanical Engineering

9 pending office actions • 4 art units • 9 examiners • 0 of 9 (0%) have an AI response strategy ready • 9 patents granted in the last 365 days

Analysis

Toyo Seikan Co., Ltd. maintains 9 pending office actions within the Medical Devices & Mechanical Engineering technology area. These actions are distributed across 9 distinct examiners, indicating a broad spread of individual scrutiny for the portfolio. Despite the high number of examiners, the work is contained within 4 distinct art units, suggesting some thematic consistency in the underlying technologies.

BATTISTI, DEREK J is identified as the busiest examiner, though they are currently handling only 1 pending office action. This distribution shows that no single examiner dominates the company's current prosecution pipeline. Practitioners can expect to interact with a diverse group of examiners while navigating a relatively small number of art units. This requires adapting to 9 different examiner styles while operating within the technical frameworks of 4 distinct art units.

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

Portfolio Summary

9
Total Pending OAs
4
Non-Final OAs
4
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 3 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

3
Overdue
0
Due this week
0
Due this month
0
Due in next 60 days
0
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 3 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (3)

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.

6
Hard (67%)
2
Medium (22%)
1
Easy (11%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (11%)
§102 only1 (11%)
§112 only1 (11%)
Multi-statute (no §101)6 (67%)

Industry Mix

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

1
Life Sciences
11% of docket
0
Information Tech
0% of docket
1
Communications
11% of docket
0
Semiconductors
0% of docket
3
Mechanical / Eng
33% of docket
4
Business / Other
44% 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.

90 h
Manual time on pending OAs
18 h
Time saved (low, 20%)
31 h
Time saved (mid, 35%)
0.8 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
BATTISTI, DEREK J 1 51.4% +36.0%
ALAWADI, MOHAMMED S 1 74.1% +24.5%
ALLEN, JEFFREY R 1 48.1% +26.7%
TOLAN, EDWARD THOMAS 1 78.0% +16.0%
CASTRIOTTA, JENNIFER 1 62.2% +28.8%
VINEIS, FRANK J 1 39.9% +44.8%
CRUZ, IRIANA 1 81.8% +9.5%
KIM, ANDREW NATHANIEL 1 100.0% +0.0%
TEMPLETON, CHRISTOPHER L 1 50.9% +56.0%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18583818 CAN MANUFACTURING METHOD AND CAN MANUFACTURING SYSTEM CRUZ, IRIANA 42d overdue

Hard Cases (6)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 6 ordered by deadline are shown.

App #TitleExaminerDue in
18114421 METHOD OF MANUFACTURING CAN BODY AND MANUFACTURING LINE OF THE SAME TEMPLETON, CHRISTOPHER L 157d overdue
19081062 GUSSETED POUCH BATTISTI, DEREK J —
19013417 CAN MANUFACTURING METHOD AND DEVICE ALAWADI, MOHAMMED S —
18943651 CAN CONTAINER ALLEN, JEFFREY R —
18908113 METHOD FOR MANUFACTURING BOTTOMED CANS AND INTERMEDIATE MATERIAL FOR MANUFACTURING BOTTOMED CANS TOLAN, EDWARD THOMAS —
18349594 SAFETY VALVE, BATTERY CASE, AND METHOD OF FORMING SAFETY VALVE KIM, ANDREW NATHANIEL —

Interview Candidates (7)

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 7 ordered by deadline are shown.

App #TitleExaminerDue in
18114421 METHOD OF MANUFACTURING CAN BODY AND MANUFACTURING LINE OF THE SAME TEMPLETON, CHRISTOPHER L 157d overdue
18767208 STACKABLE METAL CUP CASTRIOTTA, JENNIFER 147d overdue
19081062 GUSSETED POUCH BATTISTI, DEREK J —
19013417 CAN MANUFACTURING METHOD AND DEVICE ALAWADI, MOHAMMED S —
18943651 CAN CONTAINER ALLEN, JEFFREY R —
18908113 METHOD FOR MANUFACTURING BOTTOMED CANS AND INTERMEDIATE MATERIAL FOR MANUFACTURING BOTTOMED CANS TOLAN, EDWARD THOMAS —
18740908 LAMINATE VINEIS, FRANK J —

Top Art Units

Art UnitApps
3733 2
2681 1
1727 1
3725 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19081062 GUSSETED POUCH BATTISTI, DEREK J — §102§103 Non-Final OA — Pending Mar 17, 2025
19013417 CAN MANUFACTURING METHOD AND DEVICE ALAWADI, MOHAMMED S — §102§112 Non-Final OA — Pending Jan 08, 2025
18943651 CAN CONTAINER ALLEN, JEFFREY R 3733 §103§112 Final Rejection — Pending Nov 11, 2024
18908113 METHOD FOR MANUFACTURING BOTTOMED CANS AND INTERMEDIATE MATERIAL FOR MANUFACTURING BOTTOMED CANS TOLAN, EDWARD THOMAS — §103§112 Non-Final OA — Pending Oct 07, 2024
18767208 STACKABLE METAL CUP CASTRIOTTA, JENNIFER 3733 §112 Final Rejection 147d overdue Pending Jul 09, 2024
18740908 LAMINATE VINEIS, FRANK J — §103 Non-Final OA — Pending Jun 12, 2024
18583818 CAN MANUFACTURING METHOD AND CAN MANUFACTURING SYSTEM CRUZ, IRIANA 2681 §102 Final Rejection 42d overdue Pending Feb 21, 2024
18349594 SAFETY VALVE, BATTERY CASE, AND METHOD OF FORMING SAFETY VALVE KIM, ANDREW NATHANIEL 1727 §102§103 Final Rejection — Pending Jul 10, 2023
18114421 METHOD OF MANUFACTURING CAN BODY AND MANUFACTURING LINE OF THE SAME TEMPLETON, CHRISTOPHER L 3725 §102§112 Non-Final OA 157d overdue Pending Feb 27, 2023

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