Prosecution Insights
Last updated: August 16, 2026

Tatsuno Corporation

5 pending office actions • 2 art units • 4 examiners • 0 of 5 (0%) have an AI response strategy ready • 4 patents granted in the last 365 days

Portfolio Summary

5
Total Pending OAs
3
Non-Final OAs
2
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 2 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
1
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.

2
Hard (40%)
2
Medium (40%)
1
Easy (20%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (20%)
§103 only1 (20%)
§102 only1 (20%)
§112 only1 (20%)
Multi-statute (no §101)1 (20%)

Industry Mix

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

0
Life Sciences
0% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
4
Mechanical / Eng
80% of docket
1
Business / Other
20% 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.

50 h
Manual time on pending OAs
10 h
Time saved (low, 20%)
18 h
Time saved (mid, 35%)
0.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
CHEYNEY, CHARLES 2 56.7% +42.5%
VENKATESAN, UMASHANKAR 1 79.4% +13.9%
SHRIEVES, STEPHANIE ALEXANDRA 1 72.8% +19.6%
ROST, ANDREW J 1 65.2% +20.1%

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
19068944 FILLING NOZZLE CHEYNEY, CHARLES
18965795 FLOW RATE REGULATING VALVE VENKATESAN, UMASHANKAR

Interview Candidates (5)

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 5 ordered by deadline are shown.

App #TitleExaminerDue in
18779942 SAFETY JOINT SHRIEVES, STEPHANIE ALEXANDRA 149d overdue
18505450 GAS FILLING DEVICE CHEYNEY, CHARLES 12d
19068944 FILLING NOZZLE CHEYNEY, CHARLES
18965795 FLOW RATE REGULATING VALVE VENKATESAN, UMASHANKAR
18620391 FLOW RATE REGULATING VALVE ROST, ANDREW J

Top Art Units

Art UnitApps
3753 3
3754 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19068944 FILLING NOZZLE CHEYNEY, CHARLES §101§103Other Non-Final OA Pending Mar 03, 2025
18965795 FLOW RATE REGULATING VALVE VENKATESAN, UMASHANKAR 3753 §102§103 Final Rejection Pending Dec 02, 2024
18779942 SAFETY JOINT SHRIEVES, STEPHANIE ALEXANDRA 3753 §112 Non-Final OA 149d overdue Pending Jul 22, 2024
18620391 FLOW RATE REGULATING VALVE ROST, ANDREW J 3753 §103 Non-Final OA Pending Mar 28, 2024
18505450 GAS FILLING DEVICE CHEYNEY, CHARLES 3754 §102 Final Rejection 12d Pending Nov 09, 2023

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