Prosecution Insights
Last updated: October 04, 2026

Shun Sakamoto

Technology area: Chemistry & Materials

1 pending office actions • 1 art units • 1 examiners • 0 of 1 (0%) have an AI response strategy ready

Analysis

Shun Sakamoto currently has 1 pending office action within the Chemistry & Materials technology area. The prosecution of this portfolio is handled by 1 distinct examiner and 1 distinct art unit. This indicates that the active intellectual property matters are currently focused within a single specialized area of the patent office. The lack of multiple pending actions suggests a very targeted approach to patent acquisition, where all current efforts are concentrated on a single application. This focus allows for a deep technical engagement with the specific requirements of the assigned art unit.

MORDECAI MIZANI LEAVITT is the busiest examiner for this portfolio, overseeing 1 pending office action. Because this 1 pending matter represents the entirety of the active prosecution, the timeline and results are subject to the specific review of this examiner. Practitioners should focus on the particular examination patterns of this individual to predict the next steps for this portfolio. Successfully resolving this 1 pending office action is the primary goal for the current prosecution cycle in the Chemistry & Materials domain. The concentration of the workload means that the company's immediate patent success relies on navigating the specific criteria set by this one examiner.

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

Portfolio Summary

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

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 1 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
0
Due this month
0
Due in next 60 days
0
Due later

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.

0
Hard (0%)
1
Medium (100%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (100%)

Industry Mix

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

1
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.

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

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
LEAVITT, MORDECAI MIZANI 1 100.0% +0.0%

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
18337103 EXHAUST GAS PURIFICATION CATALYST LEAVITT, MORDECAI MIZANI 31d overdue

Top Art Units

Art UnitApps
1742 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18337103 EXHAUST GAS PURIFICATION CATALYST LEAVITT, MORDECAI MIZANI 1742 §103 Final Rejection 31d overdue Pending Jun 19, 2023

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