Prosecution Insights
Last updated: October 04, 2026

Chih-Shiue Yan

Technology area: Chemistry & Materials

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

Analysis

Chih-Shiue Yan manages a company patent portfolio focused on the Chemistry & Materials technology area. The portfolio's active prosecution is currently limited to 1 pending office action. This action is assigned to 1 distinct examiner, PENCE, JETHRO M, who is identified as the busiest examiner with 1 pending office action. The prosecution is localized within 1 distinct art unit, reflecting a concentrated technical scope.

For a patent practitioner, the presence of only 1 distinct examiner and 1 distinct art unit indicates a streamlined but narrow prosecution path. The entire active portfolio relies on the 1 pending office action currently under review. Because PENCE, JETHRO M is the only examiner involved, the prosecution strategy does not need to account for varying examiner behaviors across different art units. This singular focus in Chemistry & Materials suggests that the portfolio's current growth is tied to a specific innovation path.

The fact that 1 distinct art unit covers the active prosecution implies a consistent set of prior art and examination standards are being applied. The 1 pending office action represents the totality of the current workload, making its resolution critical for the portfolio's progress. Practitioners can focus their resources on understanding the specific preferences of PENCE, JETHRO M. While this concentration simplifies the management of the portfolio, it also means that any delays from the 1 distinct examiner will impact the entire active portfolio.

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

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 1 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

0
Overdue
0
Due this week
1
Due this month
0
Due in next 60 days
0
Due later

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
PENCE, JETHRO M 1 79.0% +25.4%

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
17336831 DIAMOND MANUFACTURING APPARATUS, DIAMOND MANUFACTURING METHOD USING THE SAME AND DIAMOND DETECTING METHOD PENCE, JETHRO M 27d

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
17336831 DIAMOND MANUFACTURING APPARATUS, DIAMOND MANUFACTURING METHOD USING THE SAME AND DIAMOND DETECTING METHOD PENCE, JETHRO M 27d

Top Art Units

Art UnitApps
1717 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
17336831 DIAMOND MANUFACTURING APPARATUS, DIAMOND MANUFACTURING METHOD USING THE SAME AND DIAMOND DETECTING METHOD PENCE, JETHRO M 1717 §102§103§112 Final Rejection 27d Pending Jun 02, 2021

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