Prosecution Insights
Last updated: October 25, 2026

Vocalink Limited

Technology areas: Networking & Security • Transportation, E-Commerce & Mechanical Systems

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

Analysis

Vocalink Limited has 2 pending office actions in Transportation, E-Commerce & Mechanical Systems. The matters are assigned to 2 distinct examiners and 2 distinct art units, so the portfolio spans separate examination channels.

CHANG, EDWARD is the busiest examiner, with 1 pending matter. Both matters require individual tracking, with no larger examiner concentration identified in the data.

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
0
Final Rejections
1
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 (100%)
0
Medium (0%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 only2 (67%)
§101 + other1 (33%)

Industry Mix

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

0
Life Sciences
0% of docket
1
Information Tech
33% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
2
Mechanical / Eng
67% 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
DUCK, BRANDON M 1 63.1% +18.2%
CHANG, EDWARD 1 63.3% +31.9%
PATEL, HITESHKUMAR R 1 63.5% +47.9%

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
19111757 TRANSACTION MANAGER DUCK, BRANDON M —
18660893 METHOD AND SYSTEM FOR ACCOUNT MIGRATION CHANG, EDWARD —
18429315 SYSTEMS AND METHODS FOR USE IN BALANCING NETWORK RESOURCES PATEL, HITESHKUMAR R —

Interview Candidates (3)

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 3 ordered by deadline are shown.

App #TitleExaminerDue in
19111757 TRANSACTION MANAGER DUCK, BRANDON M —
18660893 METHOD AND SYSTEM FOR ACCOUNT MIGRATION CHANG, EDWARD —
18429315 SYSTEMS AND METHODS FOR USE IN BALANCING NETWORK RESOURCES PATEL, HITESHKUMAR R —

Top Art Units

Art UnitApps
3693 1
3691 1
2400 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19111757 TRANSACTION MANAGER DUCK, BRANDON M 3693 §101§102§103 Non-Final OA — Pending Mar 13, 2025
18660893 METHOD AND SYSTEM FOR ACCOUNT MIGRATION CHANG, EDWARD 3691 §101 Non-Final OA — Pending May 10, 2024
18429315 SYSTEMS AND METHODS FOR USE IN BALANCING NETWORK RESOURCES PATEL, HITESHKUMAR R 2400 §101 Non-Final OA — Pending Jan 31, 2024

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Frequently Asked Questions

How many pending USPTO office actions does Vocalink Limited have?

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

Which USPTO examiner handles the most Vocalink Limited applications?

Brandon M Duck has the most, with 1 of Vocalink Limited's pending office actions.

What technology area are Vocalink Limited's patent applications in?

Mostly Transportation, E-Commerce & Mechanical Systems (USPTO Tech Center 3600), based on where its pending office actions are examined.

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