Prosecution Insights
Last updated: October 04, 2026

Po-Chang Liu

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 • 3 patents granted in the last 365 days

Analysis

Po-Chang Liu currently manages 1 pending office action within the Medical Devices & Mechanical Engineering technology area. This specific matter is assigned to 1 distinct examiner, MOON, MATTHEW RYAN, who also serves as the busiest examiner for the portfolio. The prosecution activity is concentrated within 1 distinct art unit, reflecting a focused technical scope for the company patent portfolio.

Practitioners should note that with 1 pending office action and 1 distinct examiner, the current prosecution strategy is highly centralized. Because the busiest examiner handles the 1 busiest examiner pending matter, the outcome of this specific interaction will dictate the immediate progress of the company intellectual property. The reliance on 1 distinct art unit suggests that the pending application falls within a specialized regulatory or examination group within the Medical Devices & Mechanical Engineering sector.

This singular focus allows the legal team to concentrate their resources on the specific examination style of MOON, MATTHEW RYAN. However, the lack of diversity in examiners or art units means that any procedural delays will affect the entire active portfolio. Navigating the active matter requires a precise response tailored to the technical standards of the assigned art unit.

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.

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.

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
MOON, MATTHEW RYAN 1 57.7% +60.3%

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
17878486 NEGATIVE-PRESSURE MASSAGE MACHINE WITH DOUBLE GAS TRANSMISSION STRUCTURE MOON, MATTHEW RYAN —

Top Art Units

Art UnitApps
3785 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
17878486 NEGATIVE-PRESSURE MASSAGE MACHINE WITH DOUBLE GAS TRANSMISSION STRUCTURE MOON, MATTHEW RYAN 3785 §103 Non-Final OA — Pending Aug 01, 2022

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