Prosecution Insights
Last updated: October 25, 2026

Korust Co. Ltd.

Technology area: Medical Devices & Mechanical Engineering

1 pending office actions • 1 art units • 1 examiners • 0 of 1 (0%) have an AI response strategy ready

Analysis

Korust Co. Ltd. has 1 pending office action in the Medical Devices & Mechanical Engineering technology area. This single action is assigned to 1 distinct examiner and 1 distinct art unit. The examiner responsible for this case is LI, JOHN DENNY, who is also listed as the busiest examiner with 1 pending office action.

Because there is only 1 pending office action, the entire prosecution profile for the company at this moment rests with LI, JOHN DENNY. This concentration means that the outcome of the company's current patenting activity is entirely dependent on the interaction with this 1 distinct examiner. Practitioners should focus on the specific examination history of LI, JOHN DENNY within the 1 distinct art unit to anticipate potential hurdles for this single pending action.

The presence of 1 distinct art unit within the Medical Devices & Mechanical Engineering sector suggests a focused technical review for the pending matter. With 1 pending office action, the company can dedicate its resources to addressing the specific concerns of the assigned examiner. LI, JOHN DENNY, as the busiest examiner with 1 pending action, represents the sole point of contact for the company's active prosecution. This structure allows for a direct and focused interaction between the practitioner and the examiner to resolve the 1 pending office action.

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

Portfolio Summary

1
Total Pending OAs
0
Non-Final OAs
1
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 (100%)
0
Medium (0%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
Multi-statute (no §101)1 (100%)

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
1
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.

10 h
Manual time on pending OAs
2 h
Time saved (low, 20%)
4 h
Time saved (mid, 35%)
0.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
LI, JOHN DENNY 1 63.2% +48.4%

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
18927819 BODY CAVITY INSERTABLE ULTRASOUND APPARATUS HAVING STRUCTURE FOR CIRCULATION OF ULTRASOUND TRANSMISSION MEDIUM LI, JOHN DENNY —

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
18927819 BODY CAVITY INSERTABLE ULTRASOUND APPARATUS HAVING STRUCTURE FOR CIRCULATION OF ULTRASOUND TRANSMISSION MEDIUM LI, JOHN DENNY —

Top Art Units

Art UnitApps
3798 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18927819 BODY CAVITY INSERTABLE ULTRASOUND APPARATUS HAVING STRUCTURE FOR CIRCULATION OF ULTRASOUND TRANSMISSION MEDIUM LI, JOHN DENNY 3798 §103§112 Final Rejection — Pending Oct 25, 2024

Managing Korust Co. Ltd.'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 Korust Co. Ltd. have?

Korust Co. Ltd. has 1 pending office actions as of October 2026, spread across 1 art units and 1 examiners.

Which USPTO examiner handles the most Korust Co. Ltd. applications?

John Denny Li has the most, with 1 of Korust Co. Ltd.'s pending office actions.

What technology area are Korust Co. Ltd.'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