Prosecution Insights
Last updated: July 17, 2026

Nagase & Co. Ltd.

3 pending office actions • 3 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready • 3 patents granted in the last 365 days

Portfolio Summary

3
Total Pending OAs
1
Non-Final OAs
1
Final Rejections
1
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.

0
Hard (0%)
3
Medium (100%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§102 only3 (100%)

Industry Mix

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

3
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.

30 h
Manual time on pending OAs
6 h
Time saved (low, 20%)
10 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
ZHANG SPIERING, DONGXIU 1 38.1% +88.9%
HUI, SAN MING R 1 59.2% +19.9%
RAMIREZ, DELIA M 1 65.0% +56.5%

Interview Candidates (3)

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 3 ordered by deadline are shown.

App #TitleExaminerDue in
18291346 STABILIZATION OF MYCOSPORINE-LIKE AMINO ACIDS ZHANG SPIERING, DONGXIU
18555223 L-ERGOTHIONEINE-CONTAINING COMPOSITION HUI, SAN MING R
18548369 ERGOTHIONEINE PRODUCTION METHOD RAMIREZ, DELIA M

Top Art Units

Art UnitApps
1616 1
1627 1
1652 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18291346 STABILIZATION OF MYCOSPORINE-LIKE AMINO ACIDS ZHANG SPIERING, DONGXIU 1616 §102 Non-Final OA Pending Jan 23, 2024
18555223 L-ERGOTHIONEINE-CONTAINING COMPOSITION HUI, SAN MING R 1627 §102 Non-Final OA Pending Oct 12, 2023
18548369 ERGOTHIONEINE PRODUCTION METHOD RAMIREZ, DELIA M 1652 §102 Final Rejection Pending Aug 30, 2023

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