Prosecution Insights
Last updated: May 29, 2026

Epistar Corporation

9 pending office actions • 6 art units • 8 examiners • 0 of 9 (0%) have an AI response strategy ready • 23 patents granted in the last 365 days

Portfolio Summary

9
Total Pending OAs
5
Non-Final OAs
4
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 9 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

4
Overdue
0
Due this week
4
Due this month
0
Due in next 60 days
1
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 9 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (4)Due ≤ 30 days (4)Due later (1)

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%)
7
Medium (78%)
2
Easy (22%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only6 (67%)
§102 only1 (11%)
§112 only2 (22%)

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
9
Semiconductors
100% 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.

90 h
Manual time on pending OAs
18 h
Time saved (low, 20%)
31 h
Time saved (mid, 35%)
0.8 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
KIM, SU C 2 77.4% -12.1%
LUU, THANH X 1 78.1% +10.2%
GUMEDZOE, PENIEL M 1 83.1% +3.7%
CHI, SUBERR L 1 84.2% +2.8%
NELSON, JACOB THEODORE 1 86.8% +8.5%
LIU, MIKKA H 1 92.1% +3.7%
SANDVIK, BENJAMIN P 1 76.7% +5.9%
WYATT, JOSHUA SCOTT 1 69.2% +44.4%

Quick Wins (4)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 4 ordered by deadline are shown.

App #TitleExaminerDue in
18235458 PIXEL UNIT AND DISPLAY APPARATUS APPLYING THE SAME GUMEDZOE, PENIEL M 2d overdue
17962207 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF NELSON, JACOB THEODORE 8d
17957431 OPTOELECTRONIC PRODUCT HAVING A DISTRIBUTION OF PEAK WAVELENGTHS WITH A REGULAR CHANGE LIU, MIKKA H 8d
18105045 LIGHT-EMITTING STRUCTURE CHI, SUBERR L 63d

Interview Candidates (2)

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 2 ordered by deadline are shown.

App #TitleExaminerDue in
18391644 OPTICAL SENSING DEVICE AND OPTICAL SENSING SYSTEM THEREOF LUU, THANH X 163d overdue
17892814 SEMICONDUCTOR DEVICE WYATT, JOSHUA SCOTT 18d overdue

Top Art Units

Art UnitApps
2899 3
2815 2
2878 1
2893 1
2817 1
2812 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18391644 OPTICAL SENSING DEVICE AND OPTICAL SENSING SYSTEM THEREOF LUU, THANH X 2878 §103 Final Rejection 163d overdue Pending Dec 20, 2023
18235458 PIXEL UNIT AND DISPLAY APPARATUS APPLYING THE SAME GUMEDZOE, PENIEL M 2899 §112 Non-Final OA 2d overdue Pending Aug 18, 2023
18208353 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF KIM, SU C 2899 §103 Final Rejection 19d Pending Jun 12, 2023
18105045 LIGHT-EMITTING STRUCTURE CHI, SUBERR L 2893 §112 Non-Final OA 63d Pending Feb 02, 2023
17962207 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF NELSON, JACOB THEODORE 2815 §103 Non-Final OA 8d Pending Oct 07, 2022
17957431 OPTOELECTRONIC PRODUCT HAVING A DISTRIBUTION OF PEAK WAVELENGTHS WITH A REGULAR CHANGE LIU, MIKKA H 2817 §102 Non-Final OA 8d Pending Sep 30, 2022
17940662 SEMICONDUCTOR DEVICE SANDVIK, BENJAMIN P 2812 §103 Final Rejection 104d overdue Pending Sep 08, 2022
17892814 SEMICONDUCTOR DEVICE WYATT, JOSHUA SCOTT 2815 §103 Final Rejection 18d overdue Pending Aug 22, 2022
17550449 SEMICONDUCTOR STRUCTURE KIM, SU C 2899 §103 Non-Final OA 13d Pending Dec 14, 2021

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