Prosecution Insights
Last updated: October 25, 2026

Ledvance LLC

Technology area: Semiconductors, Circuits & Optics

3 pending office actions • 3 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready • 4 patents granted in the last 365 days

Analysis

Ledvance LLC has 3 pending office actions in Semiconductors, Circuits & Optics. The matters are assigned to 3 distinct examiners and 3 distinct art units, with no repeated assignment shown in either category.

CHANG, DANIEL D is the busiest examiner, with 1 pending matter. The docket is distributed across the identified matters. Separate examiner-specific preparation is appropriate, with each response tailored to its own art-unit setting.

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

Portfolio Summary

3
Total Pending OAs
3
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.

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

Rejection Statute Mix

BucketCases
§103 only1 (33%)
§112 only1 (33%)
Multi-statute (no §101)1 (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
3
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.

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
CHANG, DANIEL D 1 91.3% +4.1%
ORTIZ, ELIM 1 79.4% +22.8%
NGUYEN, TRUC T 1 87.3% +7.3%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18800640 ADAPTER FOR CONNECTING WIRELESS CONTROLS AND SENSORS TO ELECTRIC DEVICES NGUYEN, TRUC T —

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
19204046 CALIBRATION DEVICE FOR LUMINAIRE CHANG, DANIEL D —

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
19025517 ELECTRICAL VEHICLE CHARGER POWER SYSTEM INCLUDING AUTO CHARGE CURRENT SUPPLY ORTIZ, ELIM —

Top Art Units

Art UnitApps
2845 1
2836 1
2834 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19204046 CALIBRATION DEVICE FOR LUMINAIRE CHANG, DANIEL D 2845 §102§103§112 Non-Final OA — Pending May 09, 2025
19025517 ELECTRICAL VEHICLE CHARGER POWER SYSTEM INCLUDING AUTO CHARGE CURRENT SUPPLY ORTIZ, ELIM 2836 §103 Non-Final OA — Pending Jan 16, 2025
18800640 ADAPTER FOR CONNECTING WIRELESS CONTROLS AND SENSORS TO ELECTRIC DEVICES NGUYEN, TRUC T 2834 §112 Non-Final OA — Pending Aug 12, 2024

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Frequently Asked Questions

How many pending USPTO office actions does Ledvance LLC have?

Ledvance LLC has 3 pending office actions as of October 2026, spread across 3 art units and 3 examiners.

Which USPTO examiner handles the most Ledvance LLC applications?

Daniel D Chang has the most, with 1 of Ledvance LLC's pending office actions.

What technology area are Ledvance LLC's patent applications in?

Mostly Semiconductors, Circuits & Optics (USPTO Tech Center 2800), based on where its pending office actions are examined.

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