Prosecution Insights
Last updated: October 25, 2026

Microjet Technology Co., Ltd.

Technology area: Chemistry & Materials

11 pending office actions • 9 art units • 9 examiners • 0 of 11 (0%) have an AI response strategy ready • 19 patents granted in the last 365 days

Analysis

Microjet Technology Co., Ltd. has 11 pending office actions in Chemistry & Materials. The matters involve 9 examiners and 9 art units, creating broad distribution across the examination organization. This profile calls for disciplined docket management, consistent technical terminology, and application-specific review of claim issues across the separate art-unit assignments.

HENSEL, BRENDAN A is the busiest examiner, with 2 pending matters. Those matters provide a defined basis for tracking examiner-specific issues, while the remaining matters require coordination across the other examiner and art-unit assignments.

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

Portfolio Summary

11
Total Pending OAs
7
Non-Final OAs
4
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 5 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

2
Overdue
0
Due this week
2
Due this month
1
Due in next 60 days
0
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 5 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (2)Due ≤ 30 days (2)Due ≤ 60 days (1)

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.

6
Hard (55%)
5
Medium (45%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only4 (36%)
§102 only1 (9%)
Multi-statute (no §101)6 (55%)

Industry Mix

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

6
Life Sciences
55% of docket
2
Information Tech
18% of docket
0
Communications
0% of docket
1
Semiconductors
9% of docket
2
Mechanical / Eng
18% 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.

110 h
Manual time on pending OAs
22 h
Time saved (low, 20%)
38 h
Time saved (mid, 35%)
1.0 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
HENSEL, BRENDAN A 2 66.4% +28.7%
SEIFU, LESSANEWORK T 2 79.2% +1.3%
MERCADO VARGAS, ARIEL 1 71.5% +28.3%
CHEN, SOPHIA S 1 95.8% +4.4%
CARTER, AMY ELIZABETH 1 79.2% +33.9%
LAUGHLIN, NATHAN L 1 66.8% +11.5%
FERNANDES, PATRICK M 1 59.9% +31.6%
TURNER, SONJI 1 73.8% +20.3%
LEE, JOHN 1 31.7% +37.7%

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
18660892 INKJET HEAD CHIP IDENTIFICATION CIRCUIT CHEN, SOPHIA S —

Hard Cases (6)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 6 ordered by deadline are shown.

App #TitleExaminerDue in
17585731 METHOD FOR DETECTING AND FILTERING INDOOR POLLUTED GAS TURNER, SONJI 20d
18533555 AIR POLLUTION PREVENTION SYSTEM FOR KITCHEN UNIT IN INDOOR FIELD CARTER, AMY ELIZABETH 42d
18664834 GENERATIVE ARTIFICIAL INTELLIGENCE INDOOR AIR CLEANING SYSTEM MERCADO VARGAS, ARIEL —
18598813 INDOOR AIR POLLUTION PREVENTION SYSTEM HENSEL, BRENDAN A —
18510406 INDOOR AIR CLEANING SYSTEM SEIFU, LESSANEWORK T —
17572168 GAS EVACUATION DEVICE SEIFU, LESSANEWORK T —

Interview Candidates (8)

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 8 ordered by deadline are shown.

App #TitleExaminerDue in
18134177 OZONE PURIFICATION DEVICE HENSEL, BRENDAN A 15d overdue
17690052 BLOOD PICKER FERNANDES, PATRICK M 8d overdue
18198877 METHOD FOR PURIFYING AIR POLLUTION IN INDOOR SPACE TO LEVEL CLOSE TO ZERO LAUGHLIN, NATHAN L 19d
17585731 METHOD FOR DETECTING AND FILTERING INDOOR POLLUTED GAS TURNER, SONJI 20d
18533555 AIR POLLUTION PREVENTION SYSTEM FOR KITCHEN UNIT IN INDOOR FIELD CARTER, AMY ELIZABETH 42d
18664834 GENERATIVE ARTIFICIAL INTELLIGENCE INDOOR AIR CLEANING SYSTEM MERCADO VARGAS, ARIEL —
18598813 INDOOR AIR POLLUTION PREVENTION SYSTEM HENSEL, BRENDAN A —
17383700 GAS PURIFYING AND PROCESSING METHOD FOR EXERCISE ENVIRONMENT LEE, JOHN —

Top Art Units

Art UnitApps
1758 2
1774 2
2118 1
2853 1
3762 1
2119 1
3791 1
1776 1
1794 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18664834 GENERATIVE ARTIFICIAL INTELLIGENCE INDOOR AIR CLEANING SYSTEM MERCADO VARGAS, ARIEL 2118 §103§112 Non-Final OA — Pending May 15, 2024
18660892 INKJET HEAD CHIP IDENTIFICATION CIRCUIT CHEN, SOPHIA S 2853 §102 Non-Final OA — Pending May 10, 2024
18598813 INDOOR AIR POLLUTION PREVENTION SYSTEM HENSEL, BRENDAN A 1758 §102§103§112 Non-Final OA — Pending Mar 07, 2024
18533555 AIR POLLUTION PREVENTION SYSTEM FOR KITCHEN UNIT IN INDOOR FIELD CARTER, AMY ELIZABETH 3762 §103§112 Final Rejection 42d Pending Dec 08, 2023
18510406 INDOOR AIR CLEANING SYSTEM SEIFU, LESSANEWORK T 1774 §102§112Other Non-Final OA — Pending Nov 15, 2023
18198877 METHOD FOR PURIFYING AIR POLLUTION IN INDOOR SPACE TO LEVEL CLOSE TO ZERO LAUGHLIN, NATHAN L 2119 §103 Final Rejection 19d Pending May 18, 2023
18134177 OZONE PURIFICATION DEVICE HENSEL, BRENDAN A 1758 §103 Non-Final OA 15d overdue Pending Apr 13, 2023
17690052 BLOOD PICKER FERNANDES, PATRICK M 3791 §103 Non-Final OA 8d overdue Pending Mar 09, 2022
17585731 METHOD FOR DETECTING AND FILTERING INDOOR POLLUTED GAS TURNER, SONJI 1776 §103§112 Final Rejection 20d Pending Jan 27, 2022
17572168 GAS EVACUATION DEVICE SEIFU, LESSANEWORK T 1774 §102§103 Non-Final OA — Pending Jan 10, 2022
17383700 GAS PURIFYING AND PROCESSING METHOD FOR EXERCISE ENVIRONMENT LEE, JOHN 1794 §103 Final Rejection — Pending Jul 23, 2021

Managing Microjet Technology 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 Microjet Technology Co., Ltd. have?

Microjet Technology Co., Ltd. has 11 pending office actions as of October 2026, spread across 9 art units and 9 examiners.

Which USPTO examiner handles the most Microjet Technology Co., Ltd. applications?

Brendan A Hensel has the most, with 2 of Microjet Technology Co., Ltd.'s pending office actions.

What technology area are Microjet Technology Co., Ltd.'s patent applications in?

Mostly Chemistry & Materials (USPTO Tech Center 1700), 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