Prosecution Insights
Last updated: October 25, 2026

Tokyo Metropolitan Geriatric Hospital And Institute Of Gerontology

Technology area: Chemistry & Materials

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

Analysis

Tokyo Metropolitan Geriatric Hospital And Institute Of Gerontology is currently managing a patent portfolio in the Chemistry & Materials technology area. The portfolio contains 1 pending office action, which is the only active prosecution matter for the institution at this time. This 1 pending office action is being handled by XU, XIAOYUN, who is the busiest examiner for this entity. With 1 busiest examiner pending action, the institution's immediate success in securing patent protection depends on the outcome of this examination.

The prosecution profile is concentrated, involving 1 distinct examiner and 1 distinct art unit. This level of focus suggests that the institution is pursuing a specific technological path within the Chemistry & Materials field. By interacting with 1 distinct art unit, the institution can focus its strategy on the specific procedural requirements of that unit. The presence of 1 distinct examiner means that the institution does not have to manage multiple examiner relationships or varying styles of feedback. This 1 pending office action represents the entirety of the institution's current workload, allowing for a dedicated response to the issues raised by the 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

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
XU, XIAOYUN 1 59.9% +31.6%

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
17625534 MASS SPECTROMETRY METHOD, MASS SPECTROMETRY APPARATUS, AND PROGRAM XU, XIAOYUN —

Top Art Units

Art UnitApps
1797 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
17625534 MASS SPECTROMETRY METHOD, MASS SPECTROMETRY APPARATUS, AND PROGRAM XU, XIAOYUN 1797 §103 Final Rejection — Pending Jul 14, 2022

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Frequently Asked Questions

How many pending USPTO office actions does Tokyo Metropolitan Geriatric Hospital And Institute Of Gerontology have?

Tokyo Metropolitan Geriatric Hospital And Institute Of Gerontology has 1 pending office actions as of October 2026, spread across 1 art units and 1 examiners.

Which USPTO examiner handles the most Tokyo Metropolitan Geriatric Hospital And Institute Of Gerontology applications?

Xiaoyun Xu has the most, with 1 of Tokyo Metropolitan Geriatric Hospital And Institute Of Gerontology's pending office actions.

What technology area are Tokyo Metropolitan Geriatric Hospital And Institute Of Gerontology's patent applications in?

Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.

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