Prosecution Insights
Last updated: October 25, 2026

Ledger

Technology areas: Computing & Software • Networking & Security

4 pending office actions • 4 art units • 4 examiners • 0 of 4 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Ledger has 4 pending office actions in Networking & Security. The matters involve 4 examiners and 4 art units, giving each listed matter a distinct examiner and technical assignment.

FARROW, FELICIA is the busiest examiner, with 1 pending matter. The profile supports separate response planning for each matter rather than a strategy centered on one recurring examiner.

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

Portfolio Summary

4
Total Pending OAs
4
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.

3
Hard (75%)
1
Medium (25%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (25%)
Multi-statute (no §101)3 (75%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

0
Life Sciences
0% of docket
4
Information Tech
100% 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.

40 h
Manual time on pending OAs
8 h
Time saved (low, 20%)
14 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
ZHAO, DON GORDON 1 87.3% +16.2%
NGUYEN, TRONG H 1 79.7% +57.2%
FARROW, FELICIA 1 58.5% +34.6%
HASSAN, AURANGZEB 1 80.4% +17.0%

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
19112183 PORTABLE ELECTRONIC DEVICE COMPRISING A MICROCONTROLLER, A SECURE ELEMENT AND A PERIPHERAL COMPONENT CONTROLLED BY THE SECURE ELEMENT HASSAN, AURANGZEB —

Hard Cases (3)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
19116984 SMARTPHONE INCORPORATING A HARDWARE WALLET FOR STORING CRYPTOGRAPHIC KEYS IMPLEMENTING HARDWARE MULTIPLEXING OF THE SMARTPHONE'S DISPLAY ZHAO, DON GORDON —
19116979 METHOD FOR SWITCHING A TERMINAL TO A SECURE MODE TO PROCESS A TRANSACTION NGUYEN, TRONG H —
19116982 SMARTPHONE INTEGRATING A HARDWARE WALLET FOR CRYPTOGRAPHIC KEY STORAGE IMPLEMENTING SOFTWARE MULTIPLEXING OF THE SMARTPHONE DISPLAY FARROW, FELICIA —

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
19116984 SMARTPHONE INCORPORATING A HARDWARE WALLET FOR STORING CRYPTOGRAPHIC KEYS IMPLEMENTING HARDWARE MULTIPLEXING OF THE SMARTPHONE'S DISPLAY ZHAO, DON GORDON —
19116979 METHOD FOR SWITCHING A TERMINAL TO A SECURE MODE TO PROCESS A TRANSACTION NGUYEN, TRONG H —
19116982 SMARTPHONE INTEGRATING A HARDWARE WALLET FOR CRYPTOGRAPHIC KEY STORAGE IMPLEMENTING SOFTWARE MULTIPLEXING OF THE SMARTPHONE DISPLAY FARROW, FELICIA —
19112183 PORTABLE ELECTRONIC DEVICE COMPRISING A MICROCONTROLLER, A SECURE ELEMENT AND A PERIPHERAL COMPONENT CONTROLLED BY THE SECURE ELEMENT HASSAN, AURANGZEB —

Top Art Units

Art UnitApps
2493 1
2436 1
2437 1
2184 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19116984 SMARTPHONE INCORPORATING A HARDWARE WALLET FOR STORING CRYPTOGRAPHIC KEYS IMPLEMENTING HARDWARE MULTIPLEXING OF THE SMARTPHONE'S DISPLAY ZHAO, DON GORDON 2493 §103§112 Non-Final OA — Pending Mar 28, 2025
19116979 METHOD FOR SWITCHING A TERMINAL TO A SECURE MODE TO PROCESS A TRANSACTION NGUYEN, TRONG H 2436 §103§112 Non-Final OA — Pending Mar 28, 2025
19116982 SMARTPHONE INTEGRATING A HARDWARE WALLET FOR CRYPTOGRAPHIC KEY STORAGE IMPLEMENTING SOFTWARE MULTIPLEXING OF THE SMARTPHONE DISPLAY FARROW, FELICIA 2437 §103§112 Non-Final OA — Pending Mar 28, 2025
19112183 PORTABLE ELECTRONIC DEVICE COMPRISING A MICROCONTROLLER, A SECURE ELEMENT AND A PERIPHERAL COMPONENT CONTROLLED BY THE SECURE ELEMENT HASSAN, AURANGZEB 2184 §103 Non-Final OA — Pending Mar 14, 2025

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Frequently Asked Questions

How many pending USPTO office actions does Ledger have?

Ledger has 4 pending office actions as of October 2026, spread across 4 art units and 4 examiners.

Which USPTO examiner handles the most Ledger applications?

Don Gordon Zhao has the most, with 1 of Ledger's pending office actions.

What technology area are Ledger's patent applications in?

Mostly Networking & Security (USPTO Tech Center 2400), based on where its pending office actions are examined.

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