Prosecution Insights
Last updated: October 01, 2026

Kyorin Pharmaceutical Co., Ltd.

Technology area: Chemistry & Materials

1 pending office actions • 1 art units • 1 examiners • 0 of 1 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Kyorin Pharmaceutical Co., Ltd. has 1 pending office action in the Chemistry & Materials technology area. This prosecution involves a distinct examiner and a distinct art unit. The current data shows a focused and low-volume prosecution pipeline for the company. This allows for a concentrated effort on the specific technical issues associated with the pending application.

The busiest examiner for the portfolio is ESPERON, NATHAN GREGORY, who is responsible for 1 pending office action. This action represents the total pending workload for the company. The company's immediate patenting goals in this area are tied to the review process of this specific examiner. By tailoring their responses to the distinct examiner and the distinct art unit involved, the company can maximize its chances of a favorable outcome. This streamlined prosecution profile minimizes the administrative burden and allows for a direct engagement with the patent office's technical staff.

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

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.

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

Rejection Statute Mix

BucketCases
Multi-statute (no §101)1 (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
ESPERON, NATHAN GREGORY 1 41.0% +23.3%

Hard Cases (1)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18020377 NUCLEIC ACID AMPLIFICATION CHIP ESPERON, NATHAN GREGORY —

Interview Candidates (1)

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 1 ordered by deadline are shown.

App #TitleExaminerDue in
18020377 NUCLEIC ACID AMPLIFICATION CHIP ESPERON, NATHAN GREGORY —

Top Art Units

Art UnitApps
1700 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18020377 NUCLEIC ACID AMPLIFICATION CHIP ESPERON, NATHAN GREGORY 1700 §103§112 Final Rejection — Pending Feb 08, 2023

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