Prosecution Insights
Last updated: October 26, 2026

Cornerstone Technology (Shenzhen) Limited

Technology areas: Transportation, E-Commerce & Mechanical Systems • Medical Devices & Mechanical Engineering

5 pending office actions • 4 art units • 5 examiners • 0 of 5 (0%) have an AI response strategy ready • 6 patents granted in the last 365 days

Analysis

Cornerstone Technology (Shenzhen) Limited has 4 pending office actions in Medical Devices & Mechanical Engineering. The matters involve 4 examiners and 3 art units. This indicates distinct examiner assignments, with at least one art unit handling more than one pending matter.

BYRD, BRIGID K is the busiest examiner with 1 pending matter. Examiner concentration is not shown, while art-unit overlap may make unit-specific review useful for coordinating related responses.

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

Portfolio Summary

5
Total Pending OAs
5
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 (60%)
2
Medium (40%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§102 only2 (40%)
Multi-statute (no §101)3 (60%)

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
0
Semiconductors
0% of docket
5
Mechanical / Eng
100% 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.

50 h
Manual time on pending OAs
10 h
Time saved (low, 20%)
18 h
Time saved (mid, 35%)
0.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
BOES, TERENCE 1 68.4% +20.8%
BYRD, BRIGID K 1 71.4% +46.4%
FISHBACK, ASHLEY LAUREN 1 80.0% +22.1%
PRATHER, GREGORY T 1 68.8% +21.5%
HILSMIER, HEIDI ANN 1 53.8% +65.9%

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
18919421 CONTROL MECHANISM OF SURGICAL INSTRUMENT AND SURGICAL ROBOT FISHBACK, ASHLEY LAUREN —

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
19036939 END EFFECTOR AND SURGICAL INSTRUMENT HAVING THE SAME BYRD, BRIGID K —
18412470 TRANSMISSION AND CONNECTION STRUCTURE FOR CONNECTING INSTRUMENT DRIVE AND STERILE ADAPTER, AND SURGICAL ROBOT INCLUDING THE SAME PRATHER, GREGORY T —
18411791 TRANSMISSION AND CONNECTION STRUCTURE FOR STERILE ADAPTER AND SURGICAL INSTRUMENT, AND INSTRUMENT DRIVE TRANSMISSION MECHANISM FOR SURGICAL ROBOT HILSMIER, HEIDI ANN —

Interview Candidates (5)

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 5 ordered by deadline are shown.

App #TitleExaminerDue in
19178322 ROBOTIC MANIPULATOR, JOINT STRUCTURE, AND SURGICAL ROBOT BOES, TERENCE —
19036939 END EFFECTOR AND SURGICAL INSTRUMENT HAVING THE SAME BYRD, BRIGID K —
18919421 CONTROL MECHANISM OF SURGICAL INSTRUMENT AND SURGICAL ROBOT FISHBACK, ASHLEY LAUREN —
18412470 TRANSMISSION AND CONNECTION STRUCTURE FOR CONNECTING INSTRUMENT DRIVE AND STERILE ADAPTER, AND SURGICAL ROBOT INCLUDING THE SAME PRATHER, GREGORY T —
18411791 TRANSMISSION AND CONNECTION STRUCTURE FOR STERILE ADAPTER AND SURGICAL INSTRUMENT, AND INSTRUMENT DRIVE TRANSMISSION MECHANISM FOR SURGICAL ROBOT HILSMIER, HEIDI ANN —

Top Art Units

Art UnitApps
3771 2
3618 1
3773 1
3796 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19178322 ROBOTIC MANIPULATOR, JOINT STRUCTURE, AND SURGICAL ROBOT BOES, TERENCE 3618 §102 Non-Final OA — Pending Apr 14, 2025
19036939 END EFFECTOR AND SURGICAL INSTRUMENT HAVING THE SAME BYRD, BRIGID K 3771 §103§112 Non-Final OA — Pending Jan 24, 2025
18919421 CONTROL MECHANISM OF SURGICAL INSTRUMENT AND SURGICAL ROBOT FISHBACK, ASHLEY LAUREN 3771 §102 Non-Final OA — Pending Oct 17, 2024
18412470 TRANSMISSION AND CONNECTION STRUCTURE FOR CONNECTING INSTRUMENT DRIVE AND STERILE ADAPTER, AND SURGICAL ROBOT INCLUDING THE SAME PRATHER, GREGORY T 3773 §102§112 Non-Final OA — Pending Jan 13, 2024
18411791 TRANSMISSION AND CONNECTION STRUCTURE FOR STERILE ADAPTER AND SURGICAL INSTRUMENT, AND INSTRUMENT DRIVE TRANSMISSION MECHANISM FOR SURGICAL ROBOT HILSMIER, HEIDI ANN 3796 §102§103 Non-Final OA — Pending Jan 12, 2024

Managing Cornerstone Technology (Shenzhen) Limited's Patent Portfolio?

IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

Frequently Asked Questions

How many pending USPTO office actions does Cornerstone Technology (Shenzhen) Limited have?

Cornerstone Technology (Shenzhen) Limited has 5 pending office actions as of October 2026, spread across 4 art units and 5 examiners.

Which USPTO examiner handles the most Cornerstone Technology (Shenzhen) Limited applications?

Terence Boes has the most, with 1 of Cornerstone Technology (Shenzhen) Limited's pending office actions.

What technology area are Cornerstone Technology (Shenzhen) Limited's patent applications in?

Mostly Medical Devices & Mechanical Engineering (USPTO Tech Center 3700), based on where its pending office actions are examined.

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month