Prosecution Insights
Last updated: October 25, 2026

Tsmc China Company Limiited

Technology area: Medical Devices & Mechanical Engineering

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

Analysis

Tsmc China Company Limiited has 1 pending office action in the Medical Devices & Mechanical Engineering technology area. The prosecution is concentrated with 1 distinct examiner and 1 distinct art unit. This suggests a very specific technical focus for the company's current active patent applications. The use of 1 distinct art unit indicates that the 1 pending action is being evaluated under a consistent set of examination standards, which can help in predicting potential prosecution hurdles.

JIE LEI is the busiest examiner for this portfolio, overseeing the 1 busiest examiner pending action. Because the company only has 1 pending office action, the interaction with this specific examiner is the sole focus of their current prosecution efforts. Practitioners should analyze JIE LEI's past allowance rates and common rejection types to tailor their response. This concentrated effort on 1 pending action within the Medical Devices & Mechanical Engineering sector allows for a highly specialized and efficient legal strategy.

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

Portfolio Summary

1
Total Pending OAs
1
Non-Final OAs
0
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.

0
Life Sciences
0% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
100% 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
LEI, JIE 1 73.1% +16.8%

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
18646502 LENS REBUILDING SYSTEM AND METHOD OF REBUILDING DAMAGED LENS IN LITHOGRAPHY TOOL LEI, JIE —

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
18646502 LENS REBUILDING SYSTEM AND METHOD OF REBUILDING DAMAGED LENS IN LITHOGRAPHY TOOL LEI, JIE —

Top Art Units

Art UnitApps
3723 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18646502 LENS REBUILDING SYSTEM AND METHOD OF REBUILDING DAMAGED LENS IN LITHOGRAPHY TOOL LEI, JIE 3723 §102§103§112 Non-Final OA — Pending Apr 25, 2024

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Frequently Asked Questions

How many pending USPTO office actions does Tsmc China Company Limiited have?

Tsmc China Company Limiited has 1 pending office actions as of October 2026, spread across 1 art units and 1 examiners.

Which USPTO examiner handles the most Tsmc China Company Limiited applications?

Jie Lei has the most, with 1 of Tsmc China Company Limiited's pending office actions.

What technology area are Tsmc China Company Limiited's patent applications in?

Mostly Medical Devices & Mechanical Engineering (USPTO Tech Center 3700), based on where its pending office actions are examined.

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