Prosecution Insights
Last updated: October 04, 2026

SK Siltron Co. Ltd.

Technology area: Semiconductors, Circuits & Optics

3 pending office actions • 1 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready • 5 patents granted in the last 365 days

Analysis

SK Siltron Co. Ltd. has 3 pending office actions in the Semiconductors, Circuits & Optics technology area. These actions are assigned to 3 distinct examiners, ensuring that each current matter is being evaluated by a different individual at the patent office. This distribution means that the company is managing multiple separate examiner relationships simultaneously.

All of the pending office actions are located within 1 distinct art unit. This concentration is significant because it means that despite having multiple examiners, the company's current prosecution is subject to the specific policies and technical interpretations of 1 distinct art unit within the semiconductors field. A single art unit often shares common internal guidance, which may lead to more consistent results across the pending matters.

The busiest examiner for the portfolio is LUNDY, DANIEL STEFAN, who is responsible for 1 busiest examiner pending action. This reflects an even distribution of the workload across the examiners involved. For the company, the primary focus remains on the standards of the art unit where all current activity is centralized, as the outcomes for the pending office actions will likely be influenced by the same supervisory environment.

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

Portfolio Summary

3
Total Pending OAs
2
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.

2
Hard (67%)
1
Medium (33%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (33%)
Multi-statute (no §101)2 (67%)

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
1
Semiconductors
33% of docket
0
Mechanical / Eng
0% of docket
2
Business / Other
67% 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.

30 h
Manual time on pending OAs
6 h
Time saved (low, 20%)
10 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
LUNDY, DANIEL STEFAN 1 — —
NEIBAUR, ROBERT F 1 76.8% +31.6%
CHEN, JACK S J 1 76.7% +5.6%

Hard Cases (2)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
17790791 LIFT PIN, WAFER PROCESSING APPARATUS COMPRISING SAME, AND METHOD FOR PRODUCING WAFERS CHEN, JACK S J 9d
18935814 WAFER EDGE POLISHING DRUM AND WAFER EDGE POLISHING EQUIPMENT INCLUDING THE SAME LUNDY, DANIEL STEFAN —

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
18816134 WAFER DOUBLE-SIDE POLISHING APPARATUS AND METHOD OF EVALUATING THE SAME NEIBAUR, ROBERT F —

Top Art Units

Art UnitApps
2893 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18935814 WAFER EDGE POLISHING DRUM AND WAFER EDGE POLISHING EQUIPMENT INCLUDING THE SAME LUNDY, DANIEL STEFAN — §102§103§112 Non-Final OA — Pending Nov 04, 2024
18816134 WAFER DOUBLE-SIDE POLISHING APPARATUS AND METHOD OF EVALUATING THE SAME NEIBAUR, ROBERT F — §103 Non-Final OA — Pending Aug 27, 2024
17790791 LIFT PIN, WAFER PROCESSING APPARATUS COMPRISING SAME, AND METHOD FOR PRODUCING WAFERS CHEN, JACK S J 2893 §103§112 Final Rejection 9d Pending Jul 29, 2022

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