Prosecution Insights
Last updated: October 25, 2026

Essenlix Corporation

Technology areas: Biotechnology & Pharmaceuticals • Chemistry & Materials • Semiconductors, Circuits & Optics

10 pending office actions • 7 art units • 10 examiners • 0 of 10 (0%) have an AI response strategy ready • 2 patents granted in the last 365 days

Analysis

Essenlix Corporation has 11 pending office actions in Chemistry & Materials. The actions involve 11 distinct examiners and 8 distinct art units, showing complete examiner dispersion with repeated art-unit assignments.

MENDOZA, ALEXANDRIA ARELLANO is the busiest examiner, with 1 pending matter. Examiner-specific concentration is not present in the data. Counsel may gain more from comparing claim treatment across the repeated art units while tailoring arguments to each individual examiner.

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

Portfolio Summary

10
Total Pending OAs
7
Non-Final OAs
3
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 2 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

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

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.

7
Hard (70%)
2
Medium (20%)
1
Easy (10%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other2 (20%)
§112 only1 (10%)
Double-patenting + other2 (20%)
Multi-statute (no §101)5 (50%)

Industry Mix

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

7
Life Sciences
70% of docket
0
Information Tech
0% of docket
1
Communications
10% of docket
2
Semiconductors
20% 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.

100 h
Manual time on pending OAs
20 h
Time saved (low, 20%)
35 h
Time saved (mid, 35%)
0.9 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MENDOZA, ALEXANDRIA ARELLANO 1 68.8% +28.0%
NGUYEN, SANG H 1 88.7% +11.6%
WHITE, DENNIS MICHAEL 1 58.0% +48.4%
LUSI, ELLIS FOLLETT 1 64.0% +53.7%
KASS, BENJAMIN JOSEPH 1 31.1% +64.4%
MUI, CHRISTINE T 1 78.4% +19.8%
MONTGOMERY, ANN Y 1 69.1% +27.6%
CHIN, CHRISTOPHER L 1 80.7% +22.4%
THIRUGNANAM, GANDHI 1 73.1% +13.2%
THOMPSON, CURTIS A 1 61.2% +51.6%

Quick Wins (2)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
19215574 MULTI-MODE ILLUMINATION SYSTEM NGUYEN, SANG H —
17713198 DEVICES AND METHODS FOR TISSUE AND CELL STAINING CHIN, CHRISTOPHER L —

Hard Cases (7)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 7 ordered by deadline are shown.

App #TitleExaminerDue in
18214811 DEVICES AND METHODS FOR EXAMINING DRUG EFFECTS ON MICROORGANISMS MUI, CHRISTINE T 24d overdue
17616178 FAST STAINING OF BIOMATERIALS ENHANCED BY IMAGE PROCESSING AND ARTIFICIAL INTELLIGENCE THIRUGNANAM, GANDHI 8d
19232083 OPTICAL TRANSMISSION SAMPLE HOLDER AND ANALYSIS, PARTICULARLY FOR HEMOGLOBIN MENDOZA, ALEXANDRIA ARELLANO —
18697622 Assay Sample Preparation for Reagent Uniformity, Particularly Blood WHITE, DENNIS MICHAEL —
18387006 PRESS SYSTEM FOR SAMPLE ANALYSIS KASS, BENJAMIN JOSEPH —
17776979 RAPID INTRA-CELLULAR ASSAY AND USE OF THE SAME MONTGOMERY, ANN Y —
16172465 Compact Illuminator, Imaging and Systems and the Use of the Same THOMPSON, CURTIS A —

Interview Candidates (10)

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
18214811 DEVICES AND METHODS FOR EXAMINING DRUG EFFECTS ON MICROORGANISMS MUI, CHRISTINE T 24d overdue
17616178 FAST STAINING OF BIOMATERIALS ENHANCED BY IMAGE PROCESSING AND ARTIFICIAL INTELLIGENCE THIRUGNANAM, GANDHI 8d
19232083 OPTICAL TRANSMISSION SAMPLE HOLDER AND ANALYSIS, PARTICULARLY FOR HEMOGLOBIN MENDOZA, ALEXANDRIA ARELLANO —
19215574 MULTI-MODE ILLUMINATION SYSTEM NGUYEN, SANG H —
18697622 Assay Sample Preparation for Reagent Uniformity, Particularly Blood WHITE, DENNIS MICHAEL —
18416792 ASSAYING CELLS AND NON-CELL ANALYTES IN A SAMPLE IN PARALLEL LUSI, ELLIS FOLLETT —
18387006 PRESS SYSTEM FOR SAMPLE ANALYSIS KASS, BENJAMIN JOSEPH —
17776979 RAPID INTRA-CELLULAR ASSAY AND USE OF THE SAME MONTGOMERY, ANN Y —

Top Art Units

Art UnitApps
2877 2
1677 2
1798 2
1758 1
1797 1
1799 1
2672 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19232083 OPTICAL TRANSMISSION SAMPLE HOLDER AND ANALYSIS, PARTICULARLY FOR HEMOGLOBIN MENDOZA, ALEXANDRIA ARELLANO 2877 §101§112DP Non-Final OA — Pending Jun 09, 2025
19215574 MULTI-MODE ILLUMINATION SYSTEM NGUYEN, SANG H 2877 §112Other Non-Final OA — Pending May 22, 2025
18697622 Assay Sample Preparation for Reagent Uniformity, Particularly Blood WHITE, DENNIS MICHAEL 1758 §103§112 Non-Final OA — Pending Apr 01, 2024
18416792 ASSAYING CELLS AND NON-CELL ANALYTES IN A SAMPLE IN PARALLEL LUSI, ELLIS FOLLETT 1677 §112DP Non-Final OA — Pending Jan 18, 2024
18387006 PRESS SYSTEM FOR SAMPLE ANALYSIS KASS, BENJAMIN JOSEPH 1798 §102§103 Final Rejection — Pending Nov 03, 2023
18214811 DEVICES AND METHODS FOR EXAMINING DRUG EFFECTS ON MICROORGANISMS MUI, CHRISTINE T 1797 §101§103 Final Rejection 24d overdue Pending Jun 27, 2023
17776979 RAPID INTRA-CELLULAR ASSAY AND USE OF THE SAME MONTGOMERY, ANN Y 1799 §102§103§112 Non-Final OA — Pending May 13, 2022
17713198 DEVICES AND METHODS FOR TISSUE AND CELL STAINING CHIN, CHRISTOPHER L 1677 §112DP Non-Final OA — Pending Apr 04, 2022
17616178 FAST STAINING OF BIOMATERIALS ENHANCED BY IMAGE PROCESSING AND ARTIFICIAL INTELLIGENCE THIRUGNANAM, GANDHI 2672 §103§112 Final Rejection 8d Pending Dec 02, 2021
16172465 Compact Illuminator, Imaging and Systems and the Use of the Same THOMPSON, CURTIS A 1798 §103§112 Non-Final OA — Pending Oct 26, 2018

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Frequently Asked Questions

How many pending USPTO office actions does Essenlix Corporation have?

Essenlix Corporation has 10 pending office actions as of October 2026, spread across 7 art units and 10 examiners.

Which USPTO examiner handles the most Essenlix Corporation applications?

Alexandria Arellano Mendoza has the most, with 1 of Essenlix Corporation's pending office actions.

What technology area are Essenlix Corporation's patent applications in?

Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.

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