Prosecution Insights
Last updated: October 04, 2026

Xiamen San'an Optoelectronics Co., Ltd.

Technology area: Semiconductors, Circuits & Optics

9 pending office actions • 6 art units • 9 examiners • 0 of 9 (0%) have an AI response strategy ready • 22 patents granted in the last 365 days

Analysis

Xiamen San'an Optoelectronics Co., Ltd. has 3 pending office actions within the Semiconductors, Circuits & Optics technology area. These actions are distributed among 3 distinct examiners, which provides a variety of perspectives on the company's semiconductor innovations. The portfolio spans 2 distinct art units, suggesting that the 3 pending office actions cover at least two different specialized technical fields within the optics sector. This requires a strategy that can accommodate the different standards of 2 distinct art units.

BOULGHASSOUL, YOUNES is the busiest examiner, responsible for 1 busiest examiner pending action. With 3 pending office actions and 3 distinct examiners, the workload is not concentrated under any single individual. This spread minimizes the impact of any one examiner's tendencies on the overall success of the portfolio. However, the company must still manage the complexities of 2 distinct art units while responding to the specific requirements of the 3 distinct examiners currently reviewing their applications. This distribution suggests a diverse range of semiconductor technologies currently under examination.

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

Portfolio Summary

9
Total Pending OAs
6
Non-Final OAs
3
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 3 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

2
Overdue
0
Due this week
1
Due this month
0
Due in next 60 days
0
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. 3 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (2)Due ≤ 30 days (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.

3
Hard (33%)
6
Medium (67%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only5 (56%)
§102 only1 (11%)
Multi-statute (no §101)3 (33%)

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
6
Semiconductors
67% of docket
0
Mechanical / Eng
0% of docket
3
Business / Other
33% 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
TUTTLE, ETHAN ALEXANDER 1 0.0% +0.0%
HOSSAIN, MOAZZAM 1 88.1% +11.1%
CHEN, JACK S J 1 76.7% +5.6%
YEMELYANOV, DMITRIY 1 74.3% +19.2%
SMITH, BRADLEY 1 79.9% -2.9%
CULBERT, CHRISTOPHER A 1 42.2% +7.7%
CHEN, YU 1 67.9% +29.6%
ZABEL, ANDREW JOHN 1 84.2% +24.0%
ZHU, SHENG-BAI 1 62.3% +6.0%

Quick Wins (2)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
17984956 LIGHT-EMITTING DEVICE ZABEL, ANDREW JOHN 31d overdue
18667401 LIGHT-EMITTING DIODE AND LIGHT-EMITTING DEVICE HAVING THE SAME HOSSAIN, MOAZZAM —

Hard Cases (4)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 4 ordered by deadline are shown.

App #TitleExaminerDue in
18089500 ULTRAVIOLET LIGHT-EMITTING DEVICE CHEN, YU 13d
18772126 LIGHT-EMITTING DIODE, LIGHT-EMITTING DIODE CHIPLET AND LIGHT-EMITTING DEVICE TUTTLE, ETHAN ALEXANDER —
18189374 MICRO LIGHT-EMITTING COMPONENT, MICRO LIGHT-EMITTING COMPONENT MATRIX, AND METHOD FOR MANUFACTURING THE MICRO LIGHT-EMITTING COMPONENT MATRIX YEMELYANOV, DMITRIY —
18166468 MICRO LIGHT-EMITTING COMPONENT, DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF CULBERT, CHRISTOPHER A —

Interview Candidates (4)

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 4 ordered by deadline are shown.

App #TitleExaminerDue in
17984956 LIGHT-EMITTING DEVICE ZABEL, ANDREW JOHN 31d overdue
18089500 ULTRAVIOLET LIGHT-EMITTING DEVICE CHEN, YU 13d
18667401 LIGHT-EMITTING DIODE AND LIGHT-EMITTING DEVICE HAVING THE SAME HOSSAIN, MOAZZAM —
18189374 MICRO LIGHT-EMITTING COMPONENT, MICRO LIGHT-EMITTING COMPONENT MATRIX, AND METHOD FOR MANUFACTURING THE MICRO LIGHT-EMITTING COMPONENT MATRIX YEMELYANOV, DMITRIY —

Top Art Units

Art UnitApps
2891 1
2817 1
2815 1
2896 1
2818 1
2897 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18772126 LIGHT-EMITTING DIODE, LIGHT-EMITTING DIODE CHIPLET AND LIGHT-EMITTING DEVICE TUTTLE, ETHAN ALEXANDER — §103 Non-Final OA — Pending Jul 13, 2024
18667401 LIGHT-EMITTING DIODE AND LIGHT-EMITTING DEVICE HAVING THE SAME HOSSAIN, MOAZZAM — §103 Non-Final OA — Pending May 17, 2024
18623056 DISPLAY DEVICE CHEN, JACK S J — §102 Non-Final OA — Pending Apr 01, 2024
18189374 MICRO LIGHT-EMITTING COMPONENT, MICRO LIGHT-EMITTING COMPONENT MATRIX, AND METHOD FOR MANUFACTURING THE MICRO LIGHT-EMITTING COMPONENT MATRIX YEMELYANOV, DMITRIY 2891 §103§112 Final Rejection — Pending Mar 24, 2023
18174192 LIGHT-EMITTING DEVICE AND METHOD FOR PRODUCING THE SAME SMITH, BRADLEY 2817 §103 Non-Final OA — Pending Feb 24, 2023
18166468 MICRO LIGHT-EMITTING COMPONENT, DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF CULBERT, CHRISTOPHER A 2815 §102§103§112 Non-Final OA — Pending Feb 08, 2023
18089500 ULTRAVIOLET LIGHT-EMITTING DEVICE CHEN, YU 2896 §102§103§112 Final Rejection 13d Pending Dec 27, 2022
17984956 LIGHT-EMITTING DEVICE ZABEL, ANDREW JOHN 2818 §103 Final Rejection 31d overdue Pending Nov 10, 2022
17356755 LIGHT-EMITTING DEVICE AND ILLUMINATING APPARATUS COMPRISING THE SAME ZHU, SHENG-BAI 2897 §103 Non-Final OA 44d overdue Pending Jun 24, 2021

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